This page shows floor plans of ~100 most common HDB flat types and most representative layouts. Many other layouts exists, unique layouts with slanted rooms, as well as variations of the standard layouts, these usually have larger sizes.
Most searched floor plans: 1960s 3STD 3I 4I, 1970s 3NG 4NG 5I, 1980s 3S 3A 4S 4A 5A, 1990s 4A 5I, EA, 2000s 4A 5I EA, Maisonette, Jumbo, Pinnacle
FAQ: age of HDB block? What is lease commence date? How I got floorplans? Looking for .DWG floor plans?
Do you want to see floor plans from a particular block address? Look for it on Interactive map of HDB blocks.
1930s, 1940s, 1950s ā SIT era
Singapore Improvement Trust set up in 1927 and focused on infrastructure, it also built small scale public housing, such as Tiong Bahru (started in 1936) and Queenstown (started in 1952 and completed by HDB in 1960s). In 32 years, SIT built only 23,000 flats, housing 8.8% of Singapore population in 1959.
The SIT housing was similar with British housing, 2-storey terraced houses, 3/4-storey walk-up flats, 7/9-storey high-rise flats started being built in 1952 and one 14-storey block was built in 1956 in Queenstown. The blocks were built at just 10-15 meters apart, denser than HDB estates. List of SIT estates.
Tiong Bahru pre-war vs post-war SIT blocks
SIT floor plans
Pre-war Tiong Bahru blocks feature flats from 3-room to 5-room, you can see floor plans on tiongbahruestate.wordpress.com > tiong-bahru-pre-war-floor-plans and tiongbahruestate.wordpress.com > uncategorized.
Post-war, SIT built mostly 2-room and 3-room, a small number of 4-Room flats were built at least in Alexandra North, Silat Estate and Tiong Bahru, but I never found any floor plan. To speed up construction, flats were downsized in 1955 and fewer 4-room were built. 1-Room flats on double-loaded corridor were introduced in 1958 in Kallang Airport Estate. For people displaced by fires SIT built also tenements (blocks with communal kitchen and toilets, opposite of “self-contained flats”).
SIT blocks with 2-Room / 3-Room Standard flat, from Tiong Bahru and Redhill
SIT also built terraced houses, two clusters survived: Jalan Bahagia (in Whampoa, 28 blocks, 200 units), Stirling Road (in Queenstown, 13 blocks, 84 units). Most units are 3-Room (originally 78 sqm) but 4-Room (99 sqm) do exist at Stirling Road. Over time, the owners built additional rooms in front, rear, and side of corner units, some houses now exceed 200 sqm according resale transactions.
Some floor plans of rental flats are available on HDB InfoWEB under PPHS (whole block floor plans, no dimensions).
1960s ā HDB beginnings
HDB was founded in February 1960, shortly after People Action Party won national elections of 1959. HDB continued construction of some SIT estates: Queenstown, Kallang Airport, St. Michael, Kampong Tiong Bahru, and launched new estates like Bukit Ho Swee, Brickworks, Alexandra Hill, Redhill, Henderson (in Bukit Merah); Bendemeer, Boon Keng, Kallang Bahru and Tanjong Rhu (in Kallang), Upper Changi Road aka Chai Chee (now part of Bedok), MacPherson (in Geylang), MacPherson Homes (in Toa Payoh).
On 13 February 1959 a fire started in Kampong Tiong Bahru, leaving 12,000 people homeless (source: NLB). SIT quickly cleared the area and built few 5-storey blocks with 1-Room flats and 9-storey blocks as well as terraced houses. Most famous fire is Bukit Ho Swee fire on 25 May 1961 that left 16,000 people homeless, as coincidence HDB completed in September 1961 the Kampong Tiong Bahru flats started by SIT and fire victims were relocated in them, after being houses temporarily in Queenstown for few months. These fires helped HDB to gain popularity.
In Master Plan 1958 you can see numerous terraced houses (planned by SIT and never built) around Redhill and Whampoa. HDB aimed to build 50,000 dwelling units in first 5 years, so a simple brutalist architecture was chosen, in contrast with the Art Deco and Modernist themes used by SIT.
Queenstown was de facto first new town (built outside city), but Toa Payoh New Town started in 1965 was the first officially named “New Town”), incorporating a town centre and several neighborhoods. Toa Payoh preliminary plan was published in SIT Annual Report 1958, including terraced houses and low-rise blocks of flats. Farmers that opposed government taking their land delayed construction for few years, enough for HDB to change plans to high rise blocks with smaller flats than SIT blocks.
The first blocks completed by HDB are Queenstown blk 45, 46, 49, 7-storey blocks styled like SIT.
Redevelopment of uneconomical SIT estates started in 1967, single-storey artisans quarters built by SIT in 1951-1953 at Henderson and Upper Aljunied were demolished and replaced by high-rise blocks.
1960s estates composed only by linear slab blocks (corridor style) in most common height of 10 storeys and usually with 12 units per floor, but several blocks were longer, plus 2-storey shophouses. Minimal distance between facades was not regulated, usually 15-30 metres.
Old photos from Bukit Ho Swee estate (built 1961-1964)
The 7-storey blocks in left side had 1-Room Emergency flats.
Old aerial views of Redhill estate (built in 1960s)
Many 5-storey blocks with 1-Room Emergency flats (demolished during 1980s) and 10-storey blocks with 2/3-room flats (some surviving).
Old aerial views of Toa Payoh New Town (first phase built 1966-1973)
1960s typical HDB floor plans
In first 5 years HDB built flats in proportion of 40% 1-room, 30% 2-Room, 30% 3-Room. The floor areas have broad range: 1-Room (23-33 sqm), 2-Room (35-45 sqm), 3-Room (50-70 sqm). 4-Room were introduced in 1967 at Henderson Road. Later in Outram Park and Toa Payoh (70-85 sqm). I estimate average size during 1960s around 40-50 sqm.
Standard flats (1/2/3/4-room) had WC and shower in same room.
Improved flats (1/2/3/4-room) were introduced in 1966, the 3/4-room having separate WC and shower, they also featured void decks.
Emergency flats (1/2-room on double-loaded corridor) were also built. I do not know how many emergency blocks were built, because only 5 blocks survived: blk 91, 92, 93 Henderson Rd , blk 1 Maude Rd, blk 2 Kitchener Rd (2-room, all rental). The typology with double-loaded corridor was used also for 1-Room Improved.
Tenements (flats with communal kitchen and toilet, opposite of self-contained flats), were also built, for example Bukit Ho Swee blocks 1, 3, 5, 7, 9, according iremember.sg blog (I do not know if these were only tenement blocks or more been built).
1960-1970 slab blocks with 2-Room Standard (44-45 sqm), 3-Room Standard (50-55 sqm), 4-Room Standard (70-75 sqm)
Most blocks of this type were upgraded with utility rooms, some with bedroom extension including en-suite toilet.
1966-1980 slab block with 1-Room Improved (33 sqm)
The ONLY remaining 1-room home ownership block is blk 7 Telok Blangah Crescent, two more blocks did existed but got SERS: blk 309 Ang Mo Kio Avenue 1 and blk 33 Taman Ho Swee. All other 1-room blocks are rental. Some of them are 2 meters wider, flats 6096 mm long instead of 5486 mm, toilet is squarish and kitchen is L-shaped around toilet, having 2 windows (example blk 123 Bukit Merah View). No floor plans available, because HDB never provide floorplans for rental flats.
1966-1980 slab block with 2-Room Improved (44 sqm), 3-Room Improved (60 sqm), 3Ā½-Room Improved (69 sqm)
A small number of 3I blocks were built in 1982-1986 with slightly different floor plan
Most blocks of this type were upgraded with 5-6 sqm utility rooms, these utility rooms vary in shape and size so that is why I posted here original floorplans without utility room.
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1972-1980 slab block with 4-Room Improved (82-84 sqm or -88 sqm with kitchen extension), stairs for each two units.
1970s ā HDB new towns
Concept Plan 1971 featured a ring of New Towns around Central Water Catchment and a provisional plan for two MRT lines to be built by 1992.
In 1970s seven new towns were started: Ang Mo Kio 1975, Bedok 1975, Clementi / West Coast 1977, Hougang 1974 (only several blocks), Marine Parade 1974, Telok Blangah 1973, Woodlands 1973 (Marsiling estate). Toa Payoh was extended (blocks 210-235).
In addition, small estates were started: Kallang Basin (1960s?) and St. George 1975 (in Kallang); Geylang East 1974, Haig Road 1975, Jalan Eunos 1976, Sims 1974 (in Geylang); Dover 1975, Ghim Moh 1975, Holland Village 1973 (in Queenstown); Farrer Road 1973 (in Bukit Timah), Hillview 1977 (in Bukit Batok, demolished in 2005), Teck Whye 1977 (now part of Choa Chu Kang), Lorong Lew Lian 1977 (in Serangoon), Sin Ming 1973 (in Bishan), Nee Son 1977 (now part of Yishun).
1970s generation estates were dominated by massive slab blocks, majority 10-16 storeys and usually with 14 or 18 units per floor, most were over 100 metres long, plus point blocks, majority 25 storeys, and 4-storey blocks with shophouses. Minimal distance between facades was 30 metres.
HDB also built Rural Centres, mini estates with <4-storey blocks and several hundred flats to house farmers: Changi Village (considered in Pasir Ris), Kranji / Lim Chu Kang (abandoned in 2001), Punggol Road End (in Sengkang area, demolished in 2005-2007), Seletar Road (in Serangoon area, demolished 2005), Seletar West Farmway (in Sengkang area, demolished 2004).
Ang Mo Kio (built 1975-1981)
Clementi (built 1977-1984) / Telok Blangah (built 1973-1978), view from Mount Faber
Marine Parade point blocks (built 1974-1976)
1970s typical HDB floor plans
In 1975 were completed the first New Generation flats: 3-Room (67 / 82 sqm) and 4-Room (92 sqm). Compared with Improved flats, the NG flats feature en-suite toilet for master bedroom, with pedestal type WC, plus store room (source: Straits Times 29 Aug 1973). This article HDB Floor Plans 1930-present is copyrighted by www.teoalida.com.
Point blocks, taller than surrounding blocks and having only 4 units per floor, the first had 3-Room flats, 2 were built in 1970 on Mei Ling Street and 2 in 1971 on Bendemeer Road, followed by 4-Room Improved (84 sqm) point blocks in 1973 and 5-Room Standard point blocks in 1974.
First 5-room flats (117-125 sqm), Standard and Improved were completed in 1974, in point block form. Starting from 1976, 5-Room flats were offered also in slab block form. All 5-Room flats feature master bedroom with attached toilet with pedestal type WC.
By mid-1980s 2 with 3-Room, 26 with 4-Room and 239 with 5-room. Blocks with 4 units per floor continued to be built in late 1980s, but height similar with surrounding blocks made me to not include them in above figure.
3/4-Room Standard flats disappeared in early 1970s, Improved flats disappeared too in late 1970s. The average size rose from 60 sqm in early 1970 to 75 sqm in late 1970s estates.
Marine Parade was, and is still the most prestigious HDB estate, also the oldest HDB estate remained intact (no demolitions, no new blocks). Built in 1974-1976, it contains 7898 dwelling units in 56 blocks, slab blocks with 2/3/4-Room Improved flats plus 17 tower blocks, each with 96 units of 120 sqm 5-Room Standard flats. Average flat size: 76 sqm, a record for its time (today average size is a little bigger due to upgrading with utility rooms and many 3-room flats adjoined.
1975-1986 slab block with 3-Room New Generation (67 sqm), 3Ā½-Room New Generation (82 sqm), and 4-Room New Generation (92 sqm), big kitchen
1975-1985 slab block with 4-Room New Generation (91 sqm), two units per staircase
1976-1980 slab block with 5-Room Standard (117 sqm), also 4-Room New Generation (89 sqm) at lift level
1978-1985 slab block with 5-Room Improved (121 sqm), also 4-Room New Generation (98 sqm) at lift level
1970-1971 point zig-zag block with 3-Room Improved (72 sqm or 76 sqm with utility extension)
1973-1974 point block with 4-Room Improved (77-84 sqm)
1974-1980 point block with 5-Room Standard (114-123 sqm)
1974-1985 point block with 5-Room Improved (117-121 sqm)
Some Standard flats have long master bedroom like Improved flats. Other flats have balcony at living room. I don’t know the real difference between Standard and Improved.
See more 1970s HDB floor plans, also JTC floor plans
1980s ā More HDB new towns
In early 1980s nine New Towns were born: Bishan 1984, Bukit Batok 1982, Hougang 1980, Jurong East 1980, Jurong West 1981, Serangoon 1983, Tampines 1981, Woodlands 1980 (integrating Marsiling estate), Yishun 1981 (integrating Nee Son), as well as small estates: Kaki Bukit 1985 (in Bedok), Bukit Purmei 1982 (in Bukit Merah), Ubi 1984 (in Geylang), McNair 1982 (in Kallang), Potong Pasir 1983 and Upper Aljunied 1982 (in Toa Payoh).
In the late 1980 four more New Towns were born: Bukit Panjang 1986, Choa Chu Kang 1987 (integrating Teck Whye), Nanyang 1986 (extension of Jurong West), Pasir Ris 1987, as well as Estates: Simei 1987 (near Tampines), Kembangan 1988 (in Bedok), Toh Yi 1987 (in Bukit Timah).
1980s towns were composed by slab blocks with 10-13 floors, usually with 10 or 12 units per floor, plus point blocks with 20-25 floors, but also many 4-storey blocks. After 1985 just few blocks were built with more than 13 storeys. Compared with previous decade, the blocks were arranged in more rigid patterns, with corners bend to give the precinct a sense of enclosure. Most 10-13 floors blocks were perfectly aligned to east-west direction to avoid sun, surrounded on east and west sides by 4-storey walk-up blocks. Minimal distance between facades was 24 metres.
Ground floor units were reintroduced, most 1980s high-rise blocks have few (usually 4) units at ground floor while rest of floor is void deck. Most 4-storey blocks do not have void decks.
In 1980 first prefabrication contract was awarded, raising the construction ratio to about 190,000 flats built in 1981-1985, the record being 67,856 flats in 1984. Prefab blocks were built in 16 months, 20% faster than 20 months for normal blocks (source: Straits Times 1982).
These 1980s prefab blocks with load-bearing walls can be identified by being uglier, having simple floorplan, plain external walls (unlike normal blocks which have columns visible on facade and windows pushed back). Prefab flats have lower value than non-prefab blocks, hacking walls is not allowed except a door-size opening, ceiling leaks are common.
A confusing thing: today BTO blocks use prefabricated panels too, but does not look similar with 1980s blocks, construction time is double, 3-4 years, and internal walls can be hacked. Probably they were referring that in 1980s they made blocks entirely prefab, load-bearing prefab walls.
Rising home ownership left rental blocks empty. Most blocks with Emergency flats built in 1960s were demolished in 1980s and land was redeveloped into 3-Room to Executive flats.
The percentage of population living in public housing hit the all-time record of 87% in 1988-1990, construction ratio had to be reduced to 10,000 units per year in 1989-1991 to avoid oversupply, leaving some estates unfinished, for example Yishun 4xx with its 8 blocks surrounded by open space.
Jurong West neighborhood 5xx (built 1981-1985) / Bishan neighborhood 1xx (built 1985-1987)
Bukit Batok iconic blocks along MRT line (built 1982-1989) / Hougang Central (built ~1989)
Bukit Panjang blocks 418, 419, 420 (built 1988) / Pasir Ris neighborhood 4xx (built 1989)
1980s typical HDB floor plans
Along the 3/4-Room New Generation and 5-Room Improved, in 1981 were introduced Model A flats: 3-Room (75 sqm), 4-Room (105 sqm), 5-Room (135 sqm), 5-Room Maisonette (139 sqm), and in 1984 were introduced Simplified flats, 3-Room (64 sqm), 4-Room (84 sqm).
Executive Apartment / Maisonette (146-150 sqm) were introduced in 1983 and replaced 5-Room Model A flats, in addition of the 3-bedroom and separate living/dining found in 5A flats, EA and EM feature an utility/maid room. 80% of Executive units were Maisonettes and 20% were Apartments. Some people misspell Mansionette.
New types of 4-Room Model A, 5-Room Improved, Executive Apartments / Maisonettes were introduced in 1987, the 5-Room and Executive having 4 bedrooms instead of 3 bedrooms (plus utility room in Executive), (source: Straits Times 1984).
Multi-Generation flats were 3/4-Room Simplified blocks reconfigured into 3-bedroom + Studio (granny flat), having 2 entrances and an internal door that join flats. The granny flat was not used as intended so the concept was abandoned after building only 8 blocks in 1987: Bishan 137, 148, Tampines 454, 460, Yishun 605, 632, 633, 666 (source: Straits Times 1986 + Straits Times 1988).
Rising popularity of bigger units left HDB with many unsold small flats. Last 1/2-Room Improved were in 1985 (Tampines 441, 442, 466, 471, all rental). Last 3-Room Improved and 3/4-Room New Generation were built in 1986. Last 3-Room Model A was built in 1987. Last 3/4-Room Simplified was built in 1988. Few blocks of 3/4-Room flats were converted into 5-Room and Executive flats, popularly called “Jumbo flats” (source: Straits Times 1989). Average HDB flat size for early 1980s estates is 90-100 square meters, and 120 sqm in 1991.
Despite that at least 10,000 dwelling units were completed each year, very few flats have leases 1990 and 1991. Number of flats with lease 1991 is about 6% of the number of flats with lease 1989 and 1992 according my analysis of resale transactions. A possible hypothesis is that HDB changed the purchase scheme and lease started later than actual completion date (can someone confirm?).
1981-1987 slab block with 3-Room Model A (73-75 sqm) and 4-Room Model A (105-108 sqm)
3Ā½-Room Model A (88-90 sqm) exists but is so rare that I never found floorplan.
Website visitors reported that early 4-Room Model A have different floorplan, similar in shape with 4-Room New Generation with toilets near each other, but big as 105 sqm instead of 92 sqm.
1981-1985 slab block with 4-Room Model A (104 sqm), 2 units per segment
1981-1985 slab block with 5-Room Model A (133-135 sqm), 2 units per segment
1984-1988 slab block with 3-Room Simplified (64 sqm), 4-Room Simplified (84 sqm) and 5-Room Improved (120 sqm)
A 4-room Model A lift-level version under 5-Room Improved should also exists.
1984-1988 slab block with 4-Room Simplified (84 sqm) and 4-Room Model A (104 sqm)
1982-1984 slab block with 5-Room Model A Maisonette (137-140 sqm, some -155 sqm) and 4-Room Model A (109 sqm) on corners (no floor plan found)
1983-1987 slab block with Executive Maisonette (144-147 sqm, some -160 sqm) and Executive Apartment (146 sqm) on corners
Many people asked me what is a 5-Room Maisonette or what is the difference compared with Executive Maisonette, the primary difference is the building year, because the two-storey Maisonettes were introduced earlier than Executive naming.
1987-1989 slab block with 4-Room Model A (104 sqm) and 5-Room Improved (121 sqm), some blocks have L-shaped corners, with 4-Room Model A (108 sqm) and 5-Room Improved (122 sqm)
1988-1991 slab block with 4-Room Model A (103-107 sqm) and 5-Room Improved (121-123 sqm), 2 units per staircase.
Except corner units, all units are 4A, units at lift level are similar with 1987-1990 blocks, but units at next level up are 4A too instead of 5I, with a huge balcony, units at remaining levels have a small balcony facing over staircase void and big balcony of below units. Staircase landing is at middle of block, making lift upgrading unfeasible. Many such blocks did not got LUP.
First blocks with lifts stopping at every floor were announced in in Straits Times 1989 and was completed in 1992, featuring staggering corridors to offer privacy to at least 50% of units and direct lift access to at least 80% of units.
1987-1991 slab block with Executive Apartment (142 sqm) and Executive Maisonette (146 sqm)
1987 slab block with Multi Generation flats (151-171 sqm)
Jumbo and Adjoined HDB Flats
Some rental blocks were converted into bigger units, and sold with fresh leases from 1992 to 1996, unofficially called Jumbo Flat. They appear in HDB Resale Transactions as 4-Room Model A, 5-Room Improved / Model A, Executive Apartment and you cannot tell which of them are the jumbos.
Most Jumbo flats are in Woodlands and Yishun, few are in Tampines, Jurong East, and Ang Mo Kio (only smallest type from 2-room blocks). Their size vary from 90 sqm (2-Room + 2-Room) to 189 and 192 sqm (3-Room + 4-Room Model A), up to 7 rooms (5 bedrooms) and 3 toilets (source: Straits Times 1989). Unlike the 1980s Multi-Generation flats, Jumbos DO NOT have 2 entrances or 2 kitchens.
Since 1994 flat owners were allowed to buy an adjacent flat and adjoin them, but only for 3-room or smaller flats, officially called Adjoined Flat. They appear in HDB Resale Transactions as 4-Room / 5-Room / Executive Adjoined Flat. Adjoined flats CANNOT be 3-rm + 4-rm, can have 2 entrances but most owners walled one entrance.
Two examples of (Jumbo) Executive Apartment created from one 3-rm with one 4-rm, and one example of converting three 3-Room Simplified flats into two 4-rm flats.
images lost being deleted from the websites originally sourced from
Two examples of 5-Room Adjoined Flat composed by two 3-Room Improved or by two 3-Room New Generation (NOT a Jumbo flat)
See more 1980s floor plans
1990s ā The modern HDB blocks
In the early 1990s extensive construction was done in Choa Chu Kang, Hougang, Pasir Ris, Tampines, plus small additions in many other towns.
In the late 1990s three New Towns were started: Sembawang 1997, Sengkang 1997, Punggol 2000. Construction stopped for Tampines and Pasir Ris in 1995 (why?) but continued for Bukit Panjang, Choa Chu Kang, Hougang, Jurong East (Toh Guan Road), Jurong West (Pioneer area), Woodlands (Admiralty).
In mid-1990s majority of blocks range between 10-16 storeys, while blocks with household shelter built after 1998 range between 12-18 storeys, a small number of blocks have up to 30 storeys. Walk-up blocks almost disappeared. Unfortunately minimal distance between blocks was reduced to 18.3 metres (60 feet).
1990s was a decade of rapid development and innovation, raising the standard of living in public housing of Singapore to a level similar with private housing in other countries:
1992 – all blocks completed in 1992 have lifts stopping on every floor now and centralized refuse chutes (until 1993 some blocks have lift machine room at top floor so the flats at top floor do not have direct lift access).
1995 – introduction of yards for kitchens and by-panel main door.
1997 – introduction of household shelters and A/C ledges placed opposite of kitchen window, that double as second support for drying on bamboo poles.
2000 – first blocks competed in Punggol, a town built almost without corridor-facing flats (except 4 blocks and rental blocks built in 2010s) and green roofs on every MSCP.
2003 – last corridor-facing flats were completed (Sengkang blocks 207A-D).
1990s blocks are highly decorated and grouped in precints with distinctive styles, ground car parks were replaced by multi storey car parks, this allowed higher density, taller blocks, and more green space. All blocks are linked by covered walkways with car parks, bus stations and other facilities, so you can go anywhere regardless if the sun is too hot or is raining.
Since 1988 structural elements became thicker, 30 cm or more, rather than 20 cm in 1980s blocks, and more pillars per block. I do not know if this design is to withstand earthquakes.
Design & Build scheme was introduced in 1991, calling private architects to inject more variety into public housing designs (source: https://eresources.nlb.gov.sg/history/events/16832579-04f7-4578-bf4d-65bc2d55cf90), first project being at Tampines 230A-J (1992), featuring curved facades.
Design Plus followed in 1996.
Premium Apartments were introduced somewhere during 1990s, featuring better quality finishes, you get them in ready-to-move condition, with flooring, kitchen cabinets, built-in wardrobes? (compared with Standard Apartments where you get raw concrete waiting for your renovation).
Executive Condominium scheme was launched in 1995 (source: HDB Press Release 29 August 1995), subsidized private housing with facilities like private condos and same eligibility conditions like HDB (family nucleus, citizens and permanent residents, income ceiling). After 10 years since TOP date, all restrictions are lifted and even single foreigners can buy EC. See List of EC.
All premium contracts feature unique floor plan and corridor-facing flats are avoided. Since early 2000s standard contracts also became unique, putting the END to privacy issues of corridor-facing flats.
More and more land parcels were sold to private developers, making the percentage of population living in public housing to fall. Privatization of the former HUDC estates started in 1995 too.
The old HDB estates built in 1960s and 1970s suffered from dilapidated buildings, aging population and businesses moving out. On resale market Queenstown and Ang Mo Kio were cheaper than Pasir Ris, one of the cheapest towns today (source: analysis of Resale flat prices database). To prevent this, HDB launched Main Upgrading Programme in 1990 to improve pre-1980 estates, adding extra bathrooms for Standard flats, utility rooms, lifts that stop on every floor, redesigning facades for more modern look, building multi-storey car parks and converting surface car parks into green space, building covered walkways, etc. Interim Upgrading Programme was launched in 1993 for blocks built in 1980s, doing only small external upgrades.
Although small-scale redevelopment of old estates started in 1966, with demolition of single-storey artisans quarters, a massive demolition of 1-room HDB rental blocks occurred in 1988-1989 and continued into 1990s, it freed up land to build new blocks with 5-room and Executive units in mature estates like Bukit Merah, Queenstown and Toa Payoh. The HDB Floor Plans 1930-present is copyrighted by www.teoalida.com.
Selective En-bloc Redevelopment Scheme was announced in 1995 to demolish selected owner-occupied blocks built up to 1980 and rehouse the residents in new blocks built in nearby location, to maintain community. Usually low-rise blocks with large spaces between them are selected for SERS while dense and tall blocks are selected for upgrading. HDB do not give you a replacement flat automatically, they compensate you at market value, then you need to buy yourself a subsidized flat in replacement blocks which can be smaller or larger, and pay the difference with CPF. Since 2004 the residents can enjoy SERS benefits buying new flats anywhere instead of being limited to the designated replacement blocks. Redhill Close (built 1955) was the first upgraded blocks (MUP 1992) to be selected for SERS in 2011. See List of SERS sites.
HDB stopped deciding the prices of new apartments based on construction costs, instead they decided based on market prices. Prices of resale flats and new flats entered in a vicious circle, rising 50% in just 6 months of 1993 and tripled to 1996, then felt down 30% to 1998 and continued to fall in non-mature estates by 2006, while in mature towns they started rising in 2002, fueled by upgrading programmes and agents lying people that all old blocks will get SERS.
Pasir Ris blocks 601-615 (built 1993-1994)
Bishan neighborhood 2xx famous for roofs in various heights (built 1990-1991) / Jurong East ā Toh Guan Road precinct (built 1996-1998)
Bukit Panjang 5xx neighborhood (built 1996-1998)
Early 1990s floor plans (centralized refuse chute era)
1990s HDB flats provide high variety of layouts in various sizes: 4-Room Model A (100-108 sqm), 5-Room Improved (120-128 sqm), 5-Room Model A (133-137 sqm), Executive Apartment / Maisonette (142-150 sqm). Share of 5-Room and Executive flats increased, raising average size of new flats to over 120 square meters in 1991-1996 (even 130 sqm in 1994-1995 due to Jumbo converted blocks).
An experiment with 2-Room flats was done in 1994 (Pasir Ris block 142), having 2-room units on ground floor and 4-room on rest of floors.
1991-1996 block with 4-Room Model A (107 sqm) and 5-Room Improved (125 sqm), 4/5-room corner units also exists!
1994-1998 slab block with 4-Room Model A (100 sqm) and 5-Room Improved (120-123 sqm), some blocks have some smaller units named 4-Room Model A2 (90 sqm), some have different corners with 4-Room and 5-Room units, others have a wing with 2 units of 5-Room
1991-1996 point block with Executive Apartment (144-147 sqm), some blocks are L-shaped with 4 units per floor (3 or 4 different layouts), or U-shaped with 5 units per floor, some are longer like slab blocks and include corridor units, some blocks are combined with Executive Maisonette
1994-1996 blocks provide service balcony for kitchen
1991-1996 point block with Executive Apartment (146 sqm), 4 units per floor, two 146 sqm layout and other two different kitchen shape
1991-1996 atrium block with Executive Apartment (143-146 sqm), 6 units per floor, four 146 sqm layout and two 143 sqm layout
Late 1990s floor plans (household shelter era) – First downsize of HDB flats
Another revolution is visible for the HDB flats completed since 1997: Block naming system (slab, point, atrium) has been abandoned. Flat naming system (Improved, Model A, etc) is no longer used in sale brochures, where a new naming system was introduced: Type A = 4-rm, Type B = 5-rm, Type C = Executive and the word Flat was replaced by Apartment. Resale transactions still show old flat type naming, and after 1998 all 4-rm are Model A and all 5-rm are Improved.
The flat sizes were standardized, slightly smaller: 4-Room (100 sqm), 5-Room (120 sqm), Executive (140 sqm). Percentage of EM was reduced compared with EA because of aging population who do not like stairs (source: Straits Times 1989) and the last maisonette was completed in 2000.
The 5-Room lost the study area, being just a 3-bedroom flat with larger living room. Executives are 3 bedrooms plus open study area that can be walled into a 4th bedroom. Average flat size 110 sqm.
A household shelter was provided in every flat, a store room with strengthened 30 cm walls and sealing door. Useless feature in my opinion, the shelter eats about 5 sqm, sometimes placed in middle of flat, hacking it is not allowed making floor plan less flexible (some exceptions in 2000s: all 1/2-rm rental blocks and some 2/3-rm sold blocks have a common storey shelter instead of household shelter inside flat).
1997-1999 block with 4-Room Model A (100 sqm), 5-Room Improved (120 sqm) and Executive Apartment (140 sqm), some blocks have 4-Room Model A2 (90 sqm)
1997-1998 block with Executive Apartment (140 sqm) and Executive Maisonette (142 sqm).
Executive Maisonette with bomb shelter RARE, only 10 blocks!! (no floorplan found for EA pair)
Second downsize of HDB flats
All HDB flats completed since 2000 lost 10 sqm, their sizes being 4-Room (90 sqm), 5-Room (110 sqm), Executive (130 sqm, 125 sqm after 2003).
In attempt to reduce number of corridor-facing flats, the shape of blocks became complex, with many corners where 5-Room units are located. In 2002 and 2003 the number of 5-Room flats exceeded 4-Room, so the average flat size remained high as 105 sqm in 2000-2005.
1999-2003 block with 4-Room Model A (90 sqm), 5-Room Improved (110 sqm) and Executive Apartment (130 sqm in 1999-2001, 125 sqm in 2002-2003)
See more 1990s floor plans
2000s ā The decline
During 2000s, no other New Town or Estate were started. Construction continue only in existing estates. Taller and taller blocks were built in all estates not too close to airports to have height constraints. 30-storey complexes appeared since late 1990s, and the first 40-storey complex (Toa Payoh Towers) was completed in early 2005 (source).
The demand for new flats felt sharply after 1997 Asian Crisis. 2003 SARS outbreak and low immigration rate in early 2000s also slowed down the demand for flats. This happened right after the most prosperous decade, with 24,000-36,000 flats completed each year between 1994 and 2001. The queue, once 5 years long, vanished and left about 40,000 unsold completed flats in the year 2000, most of them being 5-Room and Executive.
HDB made a surprise decision in 1995 to close the registration queue for Executive flats, shortly after introduction of Executive Condominiums. Last EM was completed in 1998 and last EA in 2003, for people in the queue. Supply of 5-Room flats was also reduced and very few were completed in 2007-2009. A common misconception is that Executive Apartments were replaced by Executive Condos. Wrong, Executive Condos include flats in variety of sizes from 50 to 300+ sqm.
The Registration for Flat (queue selling system) was suspended in 2002 due to unsold flats.
Walk In Selection has been introduced in March 2002 allowing people to book unsold flats anytime. It ended in February 2007 and was replaced by balloting exercises named Quarter-Yearly Sale of 2/3-Room flats and Half-Yearly Sale of 4-Room and bigger flats, which in 2010 were combined in Sale of Balance Flats, which sell leftover flats from past BTO and SERS projects, plus old flats repurchased by HDB. Because some flats are completed and you can collect keys immediately after balloting, so many people apply for SBF and in towns with low number of flats 100+ people battle for one flat.
Build-To-Order was introduced in April 2001 to became main supply of HDB flats. Flats are offered for sale before being built. Tender for construction is called only if at least 70% of units have been booked (50% since 2011). See list of BTO launches.
Design, Build and Sell Scheme is public housing built by private developers and sold by agents, their architectural design is similar with condos, but lack condo facilities such as guards, gym, pool, tennis courts, etc. First DBSS project was launched in 2006 and completed in 2009. DBSS land sales were suspended in July 2011 after the Sim Lian Group, developer of Centrale 8 (8th DBSS) set outrageous prices up to $880,000 for 5-Room. 13 land parcels were sold to private developers who built 8650 DBSS apartments. See list of DBSS projects.
Punggol 21, a modern waterfront town featuring a mix of high-end HDB and Executive Condos, was announced in 1996 and got first residents in 2000 or 2001. It is the first HDB town where each precint is individually designed and feature integrated carparks with green roofs, and no corridor-facing units. 1997 Asian Crisis and 2003 SARS turned Punggol into a ghost town with many unsold flats and no amenities. It had 3768 4-Room, 10031 5-Room, 1126 Executive units as 31 March 2004, construction almost halted until 2010. The Punggol LRT Line, despite having both loops completed in 2004, east loop opened in 2005 while the west loop opened only in 2014.
Punggol 21+ was announced in 2007 to rejuvenate the town, involving building a waterway through undeveloped part of town, amenities and low-end BTO projects with 2/3/4-room units. Imagine that if there was no 1997 Asian Crisis, Punggol was developed with big flats but without waterway!
Sembawang Blue Riverview (built 1999-2000) and Sengkang Compassvale South Gate (built 1999)
Punggol blocks 178-193, last batch of Executive Apartments (built 2002-2003) and Eastdale blocks 637-652 (built 2003)
Punggol ā Edgedale Green (built 2006-2007) and Periwinkle (built 2005-2006)
Commonwealth View (built 2007) and The River Vista @ Kallang (built 2010)
2000s random HDB floor plans
Along 4-Room (90 sqm) and 5-Room (110 sqm), HDB reintroduced 3-Room (60 sqm, later 65 sqm) and 2-Room (35/45 sqm).
HDB announced in 1998 that will resume building 3-room flats on ad-hoc basis (source). The first were in Cantonment Towers (SERS replacement block completed in 2000, lease 2002) and Clementi 366-367 (blocks with 1/2/3-Room flats completed in 2001, lease 2003). Special mention to Yishun 849 (weird block with completion year 2002 and lease date 01 Jul 1999 according HDB Centralized Map).
3-Room was introduced in BTO as mainstream supply in Fernvale Grove (launched August 2004, completed in 2007-2008), 2-Room was introduced in Fernvale Vista (launched July 2006, completed in 2010).
Studio Apartments (35/45 sqm) were introduced in 1998 (first 6 Studio blocks were completed in 2001), they are restricted to elderly (55+ years old), 30-year leases and cannot be sold in resale market. Originally were built in all-studio blocks, but in 2005 Eunos Court was completed with Studio mixed with normal flats.
The average size of new flats dropped from 105 sqm in 2000-2005 to 90 sqm in 2007 and around 80 sqm later.
HDB resumed building rental blocks in 2007, completing in 2009 first new corridor-style blocks with 1/2-room apartments, for people who are unable to own a flat.
2000s projects feature unique designs, although similar circular pattern: living – common bedrooms ā master bedroom ā bathrooms ā kitchen, but with a lot of variations in room sizes and windows, there are variations even from one floor to another floor of same block, so I cannot post on my website all possible floor plans.
2000s flats offer full privacy (except rental blocks). Flats with rooms facing to corridor were built in small numbers until 2004 lease year. First BTO project was completed in 2004 and got lease from 2006, so all BTOs offer full privacy. Compared with 1990s flats, the layouts were improved, bedrooms were downsized in favor of larger living room, the study area returned in 5-room flats, and common toilet entrance is no longer in kitchen.
Typical floor from 2000s: Studio (35 / 45 sqm), 3-Room (65 sqm), 4-room (90 sqm), from Eunos Court and Kallang Heights SERS projects. BTO projects use similar layouts
2003-2004 Punggol floor plans: 5-Room (114 sqm) and Executive (128 sqm), oversized living room
Pinnacle @ Duxton, the first 50-storey public housing complex, was launched via BTO in May 2004 and got first residents in December 2009, for HDB anniversary of 50 years in February 2010. Composed by 7 blocks Ć 44 residential floors Ć 6 units per floor = 1848 units, it was the biggest BTO project to date. It included 2 levels of skybridges, 2 flat types (S1 4-Room 90-93 sqm and S2 5-room 103-106 sqm), different combinations of bay windows, balconies and planters create 35 distinct flat layouts.
See more 2000s floor plans
2010s ā Today trends
Three new housing areas were announced in HDB Press Release in 2013: Bidadari Estate (within Toa Payoh planning area), Tampines North and Punggol Matilda. The planning work for Bidadari started in 2012 and got first BTO launches in 2015. Other areas with massive construction (not officially announced) were Bukit Batok (west end), Choa Chu Kang (south end), Yishun (east side), Sembawang (south area towards Yishun).
Timothy wrote in 2011 on Wikipedia that after the current New Towns will be saturated, HDB will start building flats in Tengah, Simpang, Bukit Brown, Bidadari and Seletarā¦ looks like a personal guess rather than official info.
Tengah, the 24th New Town, was officially announced in 2016 and first BTO was launched in Nov 2018.
HDB prices stabilized between 2015 and 2020. When COVID-19 pandemic started, I was expecting prices dropping like during 2003 SARS, but contrary happened: internet connection available nowadays allowed people to work from home, and despite that pandemic caused a short-term global recession, it changed people lifestyle towards investing more in (bigger) homes, further accelerating prices growth, especially for outer towns.
2010s flats
SkyVille & SkyTerrace @ Dawson, two iconic BTO projects broke record of most expensive HDB flats, due to prime location near Queenstown MRT, and were still oversubscribed (9865 applications for all 1718 units, up to 12 applicants for each 5-rm unit, but in case of 3-rm units were slightly less applicants than units). Flats are even smaller than in Pinnacle@Duxton, to 83 sqm for 4-rm and 101 sqm for 5-rm. SkyTerrace feature lofts and paired units (similar with dual-key units in condos), caused waste of space in already too small apartments.
Other BTO projects of 2010s decade remained at the standard sizes 45 / 65 / 90 / 110 sqm (internal floor area, in resale transactions they will appear 2-6 sqm bigger due to A/C ledge and balcony). Supply of 5-room was increased, average flat size rose from 80 sqm for BTO flats launched in 2009 to 85 sqm in 2012, then dropped to 75 sqm in 2014 due to increased supply of 2-room flats once singles over 35 were allowed to purchase new HDB 2-room flats.
Meantime, private developers downsized apartments, affecting DBSS and EC projects too, for example Trivelis sizes are 60 / 80-82 / 105 sqm. Of the 105 sqm 5-room, only 88 sqm is internal, be shocked at floor plan! If they specify balcony size 12 sqm, living room should be 3Ć5 m, common bedrooms 3Ć2.5 m, study 2x2m.
HDB do not reintroduce Executive Apartments, motivating that these flats were purchased by rich families who can afford too much space for no reason, also the average household size dropped thus larger flats are no longer necessary. Instead, HDB introduced 3gen flats in July 2013 BTO and restricted them to a married couple plus another family relative. 3gen flats have 4 bedrooms and 3 bathrooms in 115 sqm (following a trend started by Executive Condominiums that introduced 5-bedroom flats).
2-Room Flexi was announced on 19 August 2015, they replace Studio Apartments and 2-Room, can be purchased both by elderly (15-45 years lease, no resale market) and by families and singles (99 years leases, can be sold on resale market).
aSkyville @ Dawson, smallest 4-Room BTO flat (83 sqm) / new 3gen flat introduced in 2013
2020s ā Today trends
To keep flats affordable in Central Region and reduce profit that owners will make at reselling, several schemes were proposed during 2010s, including introducing flats with shorter lease.
In 2021 HDB introduced Prime Location Housing, with minimum occupation period of 10 years instead of 5 years, no subletting whole flat, and must pay 6% clawback upon resale.
The success with PLH scheme determined HDB to reclassify new flats launched since 2024 as Standard, Plus, Prime. Details like MOP for each flat type are yet to be announced.
More USEFUL info
How to find the age of a HDB block
HDB do not provide exact year of construction, except in press release about the blocks that are selected for SERS.
HDB provide instead the Lease commence date in Resale Flat Prices e-service for blocks available on resale market (no blocks under MOP or rental blocks). In Singapore the lease commence date is more important than building year. Lease year correspond with building year + 1, with few exceptions.
See also Enquire status of HDB upgrading programmes e-service, showing number of units in any block, too bad that they do not display the year of construction, as selection for upgrading programmes is based on construction year.
How urban planning in Singapore was done
Since 1960 to 1990s all HDB towns were planned using a standard density of 200 dwelling units per hectare. Flat sizes were growing over the years, leading to a stupid situation: the blocks with big flats and wealthy residents were denser and their occupants did not had enough space to park their cars, while the 1-room rental flats had largest open spaces and empty carparks.
Somewhere in 1990s a new urban planning control was introduced: plot ratios (gross floor area divided by land area). To create a vibrant city, low-, medium and high-density areas were created. The ratios were revised and raised in Master Plan 1998, today most public housing are in 2.8 – 4.2 range, low-density condos are low as 1.4 while office buildings in Central Business District reach a plot ratio of 12.
About me
I wrote this article from my personal research since 2009, because others (including Wikipedia) were incomplete, not enough detailed, create confusion and may contain errors. Please do not copy any part of page TEXT without my approval. Photographs are from Wikipedia, Panoramio, etc. Feel free to use the HDB floor plans but keep bar at bottom that indicate my website URL, for using photographs you may want to ask permission to their original authors.
I can identify flat types in 99% of HDB blocks just by looking in satellite photos, eventually Google street view, and indicate you approximate floor plans but I cannot guarantee 100% matching. I can also help you if you have a floor plan and want to know in which blocks can be found, thanks to my high experience in architecture.
In the past I helped numerous people, but as website traffic increased, it became annoying to answer each one. Since 2010 I compiled the Database of HDB blocks for purpose of selling data in Excel format to business use, and since 2017 I allow anyone to query database for free on Interactive map of HDB blocks (clicking 1 block at time to view possible floor plans), but you can also search by floor plan and see all blocks having same layout.
Numerous people message me asking for / attempted to pay me to buy an exact floor plan of a specific unit number from specific block. You can purchase HDB floor plans for 5 dollars on HDB InfoWeb, NOT on my website.
How I got floor plans?
During initial research in 2009, I picked 52 floor plans from October 2009 Sale of Balance Flats, copying images from PDF brochures (one PDF per town, few hundred floor plans to choose from). They had cream background, about 400-600 pixels tall, 29 pixels per meter. Additional floor plans I collected from random forums and blogs, reaching 100 floor plans in 2012 that represent 90% of all HDB flat types built before BTO era. Images were resized with HTML code “height=200px” so anyone accessing the page, had to download 20 MB of full-size images, causing excessive server load.
In 2014, to reduce bandwidth usage and improve website design, I re-made the floor plans using March 2012 Sale of Balance Flats (individual PDF for each flat). I screenshot PDF file at 100% zoom, cropped image in Paint then added the gray info bar at bottom. Full-size images about 600-1000 pixels tall (44 pixels per meter), and thumbnail images at 1/4 size. Page weight reduced to 8 MB. See comparison: OLD vs NEW floor plans.
You can find floor plans using Google Images, search by BTO name or street name (don’t search by block number because most people don’t indicate exact block). Most floor plans are posted by people selling flats or asking for renovation ideas. Due to this reason is hard to find floor plans for under construction blocks.
I downloaded over 10,000 files from Sale of Balance Flats between 2008 and 2016 (I spent 15-20 hours to download all files from each sale): individual flat plans in PDF (dimensions and unit number indicated in file name), whole block plans in PDF (no dimensions), site plans in JPG, etc. I can provide my collection for a price. It is NOT a complete collection of all HDB flats ever built, it contains ONLY flats offered for sale at Sale of Balance Flats, including many identical / duplicate floor plans.
The floor plans collection is far away from being “complete”
This page was intended as educational material, showing HDB history and evolution of typical floor plans, but the audience is mostly resale flat buyers than students, they believe that this is / they want this to be a complete collection HDB floor plans, no matter how many floor plans I post, they want more!
Numerous people attempted to contribute / complete my collection by sending me their own floor plans (in most cases, too similar with one posted already, or too rare to worth posting), other people complain that the website is cluttered. This is why I decided in late 2012 to STOP HDB floor plans page at ~100 floor plans. In 2016 I created a second page HDB floor plans (rare layouts) for what I received from contributors. See statistics: most downloaded HDB floor plans, I may delete images with low number of clicks to improve usefulness of website.
Currently I post floor plans from contributors only on Interactive map of HDB blocks (for people clicking the block from which they belong), not visible on website itself. If a block does not show floor plans, DON’T message me asking for floor plans, most likely I never found / nobody sent me any floor plan from that block.
Too many floor plan variations
Until early 2000s, HDB used similar designs all over Singapore, while some towns feature distinctive faƧade design since 1980s, the floor plan is nearly same, but minor variations exists. For example: 3-Room New Generation flat (67 sqm), the 20cm thick wall is only for unit next to staircase, other units have 10cm thick wall, units that are next to corridor-end unit display on floor plan the door of neighbor unit, these 4 floor plans can be mirrored, total 8 possible floor plans.
Since introduction of BTO scheme in 2001, each project is uniquely designed, nearly 400 BTO projects been launched as 2022, with a total of over 1100 flat types (from studio to 5-room and 3gen). Layout vary from a stack to another, sometimes windows and balcony vary between floors, resulting in few thousands different floor plans. I will never be able to collect al, even colleting 50% require too much effort considering that I don’t get paid by doing this.
If you are student or love architecture, see also my own apartments designs, some being inspired from HDB designs and improved or alternatives to HDB layouts.
Other articles about history of public housing in Singapore
http://www.nas.gov.sg /1stcab/7585/travel_exh_Sec6.html
http://remembersingapore.wordpress.com > from-villages-to-flats-part-2
http://morrischia.com/david/portfolio/boozy/research/ hdb_20flats_20analysis.html
http://www.globalurban.org /GUDMag07Vol3Iss1/Yuen.htm
Visit Hometrust to read Singapore interior designer reviews.
fantastic! very informative!! it’s like a walk back in Singapore’s history, reminding us of the days when providing shelter for Singaporeans matter more than anything else. that aside, it’s a great guide for people trying to decide which estate to buy/what age and development stage.
Thanks on your hardwork and research …. I’ve been searching on 2bedrooms in marine terrace which rent directly from HDB . Do you’ve any info on a size of 2bedrooms unit in marine terrace it will be great if you’re able to assist me .
All 2-bedroom from Marine Parade are the typical 3-Room Improved with 60 sqm, floor plan shown on my website… 65 sqm due of upgrade with utility room
Thanks for all the info & floor plan , although I am unable to affort the 3 room as prices are just too high…
Your site is such a gem! And you, such a guru! Most impressed with the information and data compiled on your site. Came in just in time for me since i’m trying very hard at this moment to answer queries relating to HDB executive maisonettes that even property agents can’t handle. I’ve already gotten some clues from your site but am hoping you can shed some light on my questions.
Hi, thank you for your help to find the floor plan . I’m just wandering whether do you have any facebook link? That will be easier to inform everyone i think. Great job and great website
I guess that you are the one who started live chat asking for a Sembawang block… What facebook link? I have facebook account but I don’t know how to use and for what reason to use facebook in this case.
Hi I remember reading an article about some important sg guy went overseas, saw balconies then came back and add them to our hdb. Anyone can recall which article?
I donāt know such article, and HDB always had balconies from earliest SIT times.
Clearly your Singapore page has a interests from people like me searching for a floor plan to a resale flat i’m purchasing. I also chanced upon your hobby page and found your interests unique and related to your profession.
Suggest to link your personal page somewhere else because i suspect you have more visitors trying to see the floor plans than your profession interests… and maybe because of that they might be impressed enough to seek your help.
Overall, a great useful work you have done on the history of HDB housing. Nothing else like it…
This is a fabulous work on HDB housing. Really good for resale flat interests. I have posted a link at Renotalk. Help you to advertise. I have a 5 rm flat with a study room in the living area. The previous seller has knocked off the walls to have a wider living room and I am fine with it. In fact, that is one of the reason why I bought the flat because the living room is spacious and paid a hefty COV for it.
Teo and others, what is the problem of having all-in-one website?
More likely I will remove Singapore page from personal website, because… why do you think that is teoalida.webs.com rather than singapore-hdb.webs.com or something like?
Google sends visitors to right pages. According traffic statistics 51% enter via Singapore page, 13% via BTO & DBSS page, 4.2% via Hong Kong page, 3.9% via The Sims 2 page, 1.2% in Car Database page, etc. Someone who entered via Hong Page and never checked Singapore page thought that I am from Hong Kong… LOL!!
hi, do you know how many blocks are there in each precinct?
Also, how many floors does each block have for each of these precinct?
Thanks
[email protected]
Update: if you want to data in bulk like number of floors and units for each block, yo can get from https://www.housingmap.sg/hdb-database/
WHICH precint? The biggest precint (group of blocks with same style) is Anchorvale Grove (HDB 319-325), 23 blocks, 2446 units.
Nice info cache on hdb history and their floor plans! Keep it up!
Thanks for all that info.I was looking for info about past and present HDB home sizes and got it all from your site.
just want to really commend you on the website. It’s really very detailed and well done. I think HDB should hire you as their consultant!
Hi, can I have the brochure of Yishun Greenwalk and SengKang Rivervale Arc and Punggol Spectra ? Thanks
Please email to me at [email protected]. Thanks
Emailed you the BTO brochures of Greenwalk and Rivervale Arc, and a SOBF brochure containing Spectra.
Very detailed and not to mention the extremely helpful host, helped out with my school project greatly. Thanks!
Thank you Bryam Lim and thanks to the visitor who told me that you promoted my website on Ngee Ann Polytechnic facebook page.
I have no idea how I helped you, I talked with 5 anonymous visitors that day.
But rather than “The host of the site is really friendly and helped me out with my work” you shall say “The admin of website is really friendly, he have a chat box to talk with him, and helped me out of with my work“… host means something else, most of your students are not aware that to help people THEY NEED TO USE THE CHAT, and one called me ROBOT!! LOL
Hi, Anyone have Singapore Silat Road housing floor plans? I’m doing a school project about old flat in Singapore. Can email me at [email protected]. Thank you.
I don’t think that you can find anymore floorplans of Silat estate, as it was selected for demolition, unless you ask a former owner to give you the floorplan. I can tell you that they are similar with Tiong Bahru ones, just that balconies are recessed and the corner flats have 3 bedrooms facing to side wall
Wow! The site contains a wealth of information! I am also interested in the hdb past transaction price listing. Could u e-mail it to me at [email protected]? Thanks! Keep up the wonderful initiative
Love how detailed this website is, and i must say, you are really resourceful and super helpful over the online chat too!! Thank you thank you!!
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@Christian Louboutin Sweden- what the hell have you been smoking?
@ owner of the site- awesome job!
1985 picture of marsiling mrt is fake. Marsiling MRts opened @ 1996
There are 42 photos here, you did not realized that for ALL photos, the numbers shows the year of building, not the year of photos taken?
Wow! This is the most EXCELLENT resources info on HDB flats!! Bet HDB staffs cant even provide such info at all!! Once I called them to ask for a particular layout plan they told me to ask a property agent! duh!!
U really should publish all these info into a BOOK. It will be a hot seller!
Thank you for posting your website. Keep up your GREAT work.
Would be good idea to publish a book, but I have no idea how I can do this.
As well as any idea of making money by using my knowledge about HDB?
probably not to sell these stuff openly. Are the drawings and floorplans under copyright of HDB?
I never saw any notice, nor anyone telling me that is illegal to use them or redistribute.
HDB sells floor plans for $5 but I think that the fee is for time spend to find the right floor plan and email it., not the cost of floor plan itself. Same at me, you can pay me for efforts in maintaining website and the collection of floor plans, not for floor plans itself. I do not charge $1000 for 1000 floor plans to make profit of it.
What is yours proposal? to STOP posting on website any HDB floor plan of brochure because is copyrighted?
Excellent article. I’ve a question.
For a 99yrs, lease HDB, after 99 yrs what happens?
May be this is a silly question, but I heard different answers for this question. So, I thought here I can get exact answer and posted.
URL: propertyrentalagent.com (dead website)
Your comment was blocked by Akismet. Luckily I noticed it in SPAM folder and un-spammed it today. Normally I empty SPAM folder without checking what is in it. Sorry if I gave you impression that I delete comments or something. Do you usually leave comments with links or something that may make people to report you as spammer?
A common misconcepiton is that Freehold = remain yours forever, Leasehold = government kick you out at lease ends.
THE TRUTH: in both Freehold and Leasehold, the government can take your land if is necessary, but if is Freehold you get rewarded with the full value, if is Leasehold you get rewarded with a proportional value for the remaining of lease. What is actually happening we can’t know, because at this moment no lease reached the end. First leases to end are Geylang Lorong 3 terraced houses with 60-year leases ending in 2020.
Do you have the floor plan for 5I HDB at Seng Kang East Road Blk 260B?
I emailed you a PDF floor plan from nearby block, let me know if does match yours.
Teoalida, Thank you for taking the effort to maintain this site.
I’m living with my mom in a HDB flat that my dad bought in 1995 (He’s no longer around and ownership’s passed to my mom). It’s been close to 20 years, and time to repair and restore. Mom’s retired now and it’s on me to look into things regarding the house.
So this site with the detailed floor plan is really cool! Great resource for people like me, who don’t own the house (didn’t get the paper work, etc), are living in it, and need a floor plan to manage changes. Keep up the great work maintaining this site!
Hi,
Great website, impressed! Do you the floor plan for 4A corridor unit (104sq m) at 16 Toh Yi Dr?
[14:01] Visitor 4573045: Hi, Great website, impressed! Do you the floor plan for 4A corridor unit (104sq m) at 16 Toh Yi Dr?
[14:01] Teoalida has joined the conversation
[14:01] Teoalida: Toh Yi? that is from 1987-1990 series
[14:01] Teoalida: and yes I have… posted on website
[14:01] Visitor 4573045: Ok thank u
[14:03] Visitor 4573045 has left the conversation
Right when you left I was going to copy-paste this link http://www.teoalida.com/singapore/HDB-1988-1990-4A-corridor-104sqm.png … if you left I though that you found it yourself. Then I saw your comment. Did you lost connection or what happened?
Hi,
I very keen on buying balance of flat for 2 Bedroom at Sembwang area, do you have idea does these 2 bedroom facing any corridor corner area?
Regards
Vel
3-room (2 bedrooms) flats were introduced in 2004 BTOs, topped 2008, while corridor-facing flats are the 4-room built up to 2002. So buy any 3-room without being concerned about privacy!
2 Thumbs UP for your site! Am really impressed! Informative to the max š
Thank you for this very informative web-site. I am very impressed with the level of contents, details, and photos. Keep it up!
-Rolo-
Amazed with your level of detail and effort!
Well done!!!
HI, great website, Do you happen to have Blk 277C Compassvale Link layout plan? It’s a corner left sided slanted unit.
Thanks
Wow, good read. Thank you.
Thanks for the overview of the history of Singapore HDB public housing flats. My family and I are interest flats in Hougang Street 51 preferably near around block 546 – 549. Hopefully you can get hold of the floor plan layouts. Thanks
Very informative for a foreign researcher now working on aging issues in Singapore public housing estates. It will be great if you cite the source of all the data and image – it helps you to build up your research!
Hi!! Just want to say thank you for all the wonderful information and the time spent on collecting and building up this site. It has been a wonderful read throughout. Gracias~
Who are you and why the hell you leave such useless comments on every page?
You’re not even like typical spammers as you don’t link/promote any website!
Teoalida, I salute your fantastic effort! Thank you!
What a pity our own HDB has failed so miserably in providing simple things like floor plans for older flats which your site does wonderfully!
Hi,
Your blog page on the layouts is very interesting.
Would you have floorplans for Exec, Jumbo and Maisonnette plans from blocks 160 to 436 in Woodlands?
Thanks
Aminah
Hi,
Do you know which district have the highest number of HDB flats 3Ng or 4NG that has the east or west facing layout?
Ang Mo Kio have the most New Generation flats, followed by Clementi and Bedok.
Flats facing east and west is difficult to tell, most blocks are at angles , look yourself in Google Maps satellite imagery.
Why do yo ask such a strange question? We all prefer north-south facing flats. Then why New Generation? it is a pretty old flat type dating from 1976 with small bathrooms, I suggest to look for 1980s flat types like Simplified and Model A.
Thank you!
Yes, Im looking at the Layout through google maps but its hard to tell. Seems like after 1980s, government decides to construct all new HDB to North south facing. Just wanted to see if you had anything which can shed some light on this.
Due to Feng Shui reasons, Im looking for a east west layout. 3NG as there are 2 toilets, having 1 in the Master room will be good. I realised quite a good number are 3I’s. Queenstown till aljunied (green line) Toa payoh too.
Hdb interactive map is a good way to see the flat facing and room type. However Cant see any marketing. Any tips to make my search easier?
Thanks.
Feng Shui !! I hate superstitions!
Regarding HDB Centralized Map, I have compiled all the units data from the map into http://www.teoalida.com/singapore/hdbdatabase/ but it is intended for professional use and your case it won’t help much. The fastest way to find blocks with 3NG flats is to learn to identify them in satellite photos. New Generation blocks have smooth rear facades, slits only at staircases, while Improved blocks are 3 meters thinner and have slits visible every 2 units. 3A/4A blocks have slits visible at staircases too.
In 1990s they started building many east-west facing blocks but in late 1980s they stopped building 3-room.
in 1970s many blocks are built at angles. If you agree with south-east/north-west facing, go for it. If you want perfect east-west alignment… hey guess what, in 1980s when they were building perfectly aligned north-south blocks, these blocks are surrounded in east and west by 4-storey blocks with 3A flats. There are also Simplified blocks of which some are U-shaped blocks and on the inner corners are 3S units, in each corner one should be east-west facing.
There are also a small number of 12-storey east-west facing blocks with 3A/4A flats. Example Tampines blk 424 and 450.
Thanks for sharing! Great understanding of HDB!
Just wanted to drop a note to say that this is amazing work. I admittedly found my way here because I am a potential resale HDB flat buyer, but my husband and I have often walked through old HDB estates and said that someone should write a book on HDBs and the different types and vintage of the flats (we were imagining more of a picture photo coffee-table book though), and imagine my surprise (and happiness) that someone has already done so! Wonderful website!
Do you have floor plan for 5i at Serangoon north ave 4, 550534?
It’s 1987-1990 block that is posted on above page, more exactly http://www.teoalida.com/singapore/HDB-1988-1990-5I-corridor-end-121sqm.png
Did you really had to ask?
I am looking for a 4-room Model “A” (Corridor) of 105 sq m at blk 105 Towner Road floor plan. Where can I find it from your website or you can provide?
That’s a RARE 1980s 25-storey block with 4-room units in a layout similar with 2000s. I checked my collection of 1000+ PDF floor plans and I don’t have any floor plan from a block similar with yours.
Hi there, Can help me find 4 room flat at fernvale rivergrove floor plan.
It was completed this year, do a search on google images and see if anyone posted his floorplan in renovation forums.
In case of new blocks I don’t have more than what you can find yourself with Google.
But how come… you received keys but no floorplan? As far I know HDB provide the floorplan at key collection or earlier
Hi Teolida. Thank goodness for your website! I am able to understand more of the different types of flats HDB has build.
I was wondering if you can help me with this query. Do all 3A flats have 2 bathrooms (as in ensuite and common)?
Thanks a lot!
Hi,
Im looking for Jurong West Street 81 (5- Room), Im wondering if you the floorplan for this block
Hi,
I am Romeo I am an ofw in Riyadh Ksa. I have a 45 sq. m. lot and i am planning to build a 3 storey building on it. I am confused and do not have any idea for the plan. can you help me please?
Why do you post comment in Singapore HDB Floor Plans page?
45 sqm lot reminds me of Philippines so you shall post in House Plans or in Housing in Philippines page
If you would tell me length and width of your 45 sqm lot and how many rooms do you want, I can give you some ideas!
Hi, any idea why hdb design and build plus ( Sembawang & choa chu kand ave 4) 1. Was abandoned after this 2 projects? 2. Was so overpriced (cck exec) when initially launched & so under valued now
Hello
I am looking for floor plans of Block 170 Toa Payoh Lor 1. It is a one room flat block.
Also, is it possible to obtain plans of entire floors instead of single units?
Any help is greatly appreciated. Thank you.
HDB do not provide floor plans for rental blocks. Block 170 is a bit different compared with http://www.teoalida.com/singapore/HDB-1967-1978-1I-double-corridor-33sqm.jpg by having L-shaped kitchen surrounding the toilet.
Whole block floor plans are provided by HDB only for BTO-era blocks so is not possible to get official floor plansā¦ or would you like a non-official floor plan designed by me in AutoCAD? I can do that if you can measure the rooms and provide me dimensions.
Yes you are correct. Even the room space seems to be of different proportions as compared to the one in the link.
How much will it cost to request for a non-official floor plan?
I am doing a social project on one room flats in Singapore.
$30 as stated in http://www.teoalida.com/design/hdbflats/ … I forgot to add the link
Can I have higher resolution of Floor Plan for 1987-1988 slab block with Multi Generation flats (151-171 sqm) ?
I don’t have any PDF for multi-generation flats. I have PDFs for those floorplans posted on website with gray bar at bottom, while the Multi-Generation floor plan is just an image stolen from a forum.
Rather messy but very interesting website. Please keep up the good work! I am disappointed that HBD flat is getting smaller and smaller. I think 4-room should be around 95 sqm and not smaller. I live in a 95 sqm 4-rooms flat and it is just the perfect size for a family of 4. The living room is a bit small for the kids to play in when you have the dinning table/chairs, tv console, sofa and coffee table, so I cannot imagine it getting smaller. I am thinking of getting a new HDB 4-room in the near future but very disappointed with the size. Any idea of new HDB/DBSS/Exc Condo flats coming up in the next 5 years?
How I can make my website less messy? any suggestion?
I propose enlarging each flat type with 10 sqm. How old is your flat? new flats with household shelter are even smaller than they appear to be.
DBSS land sales were suspended in 2011. BTO and EC keep coming!
Do you know of a rational reason for the “personal shelter” concept? I have looked on various websites (HDB, etc) but have failed to find a good explanation.
Thanks for your info.
However, after reading abit confused. I would like to know how to differentiate the types.
For instance:
3A; store in between living room and kitchen
3NG; store in between two rooms
3I; separate WC and bath
3STD; WC and bath together in one
3S; ?
and also the 4 & 5rms…
This should clear the confusion http://www.teoalida.com/singapore/hdbflattypes/
Yes I really love this website, brought back so much memories.. I grew up in the Queenstown area (Margaret Drive) and people used to call it the “blue-glass” (?).. Miss these places so much.. the library.. The old hawker center, market,polyclinic…. Old Emporium (then NTUC)….it was such a lively place….so sad now it’s quiet and looking deserted
Hi,
I may renovate my flat soon, is it possible I get floor plan from u guys?
My unit is Tampines St 44, Blk 461, #06-46.
You may email me [email protected]
Thanks.
CG
96163471
Very professionally written.As Construction Project manager I love to read all these blogs, that increased my knowledge and efficiency. I come to know about different aspects of the industry.
I think that you just wanted to promote your website!
Hi,
Nice work on the website. Been visiting it once a while since 3 years ago.
Today when I visit it again, I find that this website has become less navigatable. The top menu covers almost one third of the screen (even I maximised my browser window). Suggest grouping the menus into groups and subgroups with drop downs for drill down to the item/option the users want to select.
Cheers
KT
I changed theme for about 15 min and right in that moment you visited me. Changed to normal theme immediately after your comment. Sorry for inconvenience caused.
I need the floor plan of the following BTO project
Sembawang Sun Natura BTO
2-room Type 1 38 Sqm.
Thanks in advance.
could i trouble you with the floor plan of blk 683b Jurong west central 1 , 4room corner unit.
TOP is 2000.
Suck It you word sound shit
Dear IDIOT KID, just STOP POSTING if you don’t have constructive comments, you just insult other people, and using same name with me! You cannot pretend to be me, because your comments are gray-background and my comments appear white-background.
I do not have any floor plan from blocks 683-686.
Since I’m idiot you also must be
Hi, could I ask how does HDB calculate whether the floor plan area is 122sqm etc? Because based on my floor plan, using mathematical calculations (LXB) for a squarish layout.. I somehow got 126sqm which is different from the 1313sqft (i.e. 122sqm). Just curious to really understand how the area is derived. If you can, please reply and I will send you my floorplan to check it out if it is possible?
Thank you!!
When I design HDB flats in AutoCAD for people who need DWG file, I also draw a polyline and measure area. I always get 2-4% bigger area than HDB advertised area, I never understood exactly how they derive the area, probably they don’t include full thickness of external wall and certain structural elements. I will publish soon on website an image with 9 HDB flats (6 designed so far) showing gross floor area, net floor area and breakdown by room.
Cool! Thanks!
What about a date? Darling sarah
Yeah I know what my strength lady! What your point retard
Hi! Do you have the floor plan for 128B Punggol Field Walk 5i model, point block end
Why did you posted comment and also messaged me via CHAT at same time, then you quit the chat before being able to send you possible floor plans? I though that I lost you… luckily you left email in comment and I emailed you 2 possible floor plans.
Anyway you all look idiots
Hi Teoalida, do you have the floor plan of BLK 224 ANG MO KIO AVE 1 S560224? Ive been trying very hard to find as it is the pioneer type of 2 room flat! Your help is greatly appreciated! Thank you
It’s 2-room improved type… similar with http://www.teoalida.com/singapore/HDB-1966-1978-2I-corridor-44sqm.png
Thank you, however as it is a corner unit, the room isnt directly beside the main door. Do you have another version that shows the bedroom nearer to the kitchen side instead of main door?
Iām doing a project on hdbs would you be open to a coffee and a chat??
Visit website after 3 PM and we can chat
Hi Teo, do you have the floor plan for 5 room middle of the block Tampines 216 (same column as the lift in the centre of the block). Many thanks.
This should be close to yours: http://www.teoalida.com/singapore/HDB-1980-1988-5I-stairs-121sqm.png
TQVM !!!
Hi Teo,
Do you happen to have the floor plan for 8B Boon tiong road, spine #xx-71? Thank you!
Hi, I am looking for Clementi blk 376 floor plan for 3.5room floor plan.the bedroom window are below.where the 2 window at the front door r the living room.. it is wrap around the staircase type of unit. The size is 82sqm. As I looking to buy a 3room unit there. Was view a unit there n look so different from other normal 3 room unit.but I o my can find the normal 3rm floor plan or the corner 3.5room floor plan.
Hope you have it n can I have it? Thank in advance
Is this what you
https://imgur.com/a/Uu4scsD
Interesting find Dum, probably this is what he was looking for, but you reply a 5-months old comment so probably he found already. I remember that Vincent Lee also contacted me on LIVE CHAT and I indicated him http://www.teoalida.com/singapore/HDB-1976-1988-3NG-corridor-end-82sqm.png but he said that is not this one. This is why I haven’t replied at comment too.
Hi! I am looking for HDB units bulit from 2004 but couldnāt find any online. Can you help? Thanks in advance!
Are you looking to purchase an unit built after 2004? William my partner agent can help.
Are you looking for a database of blocks or units? Explain in detail and I will see if I can help.
Use LIVE CHAT in lower-right corner of screen.
Hi! Sorry for the late reply but I wonāt be looking for a HDB unit for now. There have been a change in our housing needs. Thanks for your prompt response!
Have ŅÆou ever considered writing ann Šµ-book or guest authoring on other websites?
Š havŠµ a blog baŃed upon onn the same subjects you discį„ss
and would love to have yĪæu share some stoŠ³ies/information. I kknow my visitors would appreciate your work.
If you are even remotely interested, fŠµel free to shoot me an e-mail.
Dear Alida, good work here. I represent a small grp of volunteer investigators working on an unsolved mass murder case of 4 siblings in 1979. This happened in the old one-room rental flat in Geylang Bahru Blk 58 that has since been demolished ( The current Blk 58 Geylang Bahru is a newly erected block at a slightly different location ). I wonder if you would have a floor plan of the old Geylang Bahru rental flats, or if u would know which type they are. It would be v helpful. ( We actually have contacts of some of the victims old neighbours but so far they have not been replying to our emails. )
based on block size and position viewed on map https://www.onemap.gov.sg/historicalmaps/ it was probably an 1-Room Improved block similar with nearby blocks 61 and 62 which are like http://www.teoalida.com/singapore/HDB-1967-1978-1I-double-corridor-33sqm.jpg
It was demolished between 1988 and 1991 street directories.
Dear Alida,
Very good work there. I happen to chnace upon your website while searching for unit layout.
Appreciate if you could send me the 4 and 5 room unit layout for blk 255 serangoon central drive cluste as we are shortlisting our purchase search to that cluster.
Thanks in advance and keep up the good work in helping the community.
I have only 1 floor plan from 255-258 cluster… http://www.teoalida.com/SGN_blk255_04-62.pdf
I am a Real Estate Agent. The work you have done in setting up this website and publishing the information here is really amazing! I enjoyed reading the history and development of our public flats. Thank you so much!
Hi, would you have the floorplan of Blk 174 Bishan Street 13 Mansionettes?
Hi,
May I know if you have the floor plan of a demolished HDB flat in the 1960s ? The addres is
Block 18, Margaret Drive. All the flats were 4 storey high and demolished many years ago.
They were situated just in front of Queenstown Remand Prison.
Thank you very much.
Do you have Blk 639 ang mo kio st 61 ‘angled’ corridor floor plan?
There is a single stack of “angled” odd-shaped units in that block, and just few blocks like this. I never came across that floor plan.
Thanks for the post. Very Nice!!
I came across your website when trying to confirm our client flat model. I am an administrative assistant to a real estate agent. Though I have only a quick run through this page, I impressed with the amount of effort to journal and even attach supportive floor plan. Kudos for the vision behind the effort.
Hi
How can i get the floor map for blk 25 Chai Chee rd -4A model (104msq) ?
thank u.
hnl
I know how this floor plan looks like and I may have one from a similar block in another town, but being not so common I did not posted it on website, and since I upgraded from Windows XP to Windows 10 I no longer have previews for PDF files to spot quickly the right floor plan in the over 1000 PDF floor plans that I have.
Hi! Thanks, very useful! Teoalida. May I please have the floorplan for Blk 210B Compassvale Lane (Compassvale Beacon) top floors that are 97sqm without balcony?
Thanks, very useful Teoalida. May I please have the floorplan for Blk 210B Compassvale Lane (Compassvale Beacon) top floors that are 97sqm without balcony?
Hi Teoalida, do you have any idea how thick is the floor slab of a new BTO? I saw in a Precast Pictorial Guide 2014 by HDB that the floor slab of the shelter is 175mm thick, but I could not find the measurement for the rest of the floor slab. Just not long ago, a HDB engineer told me is 120mm thick for new HDB flat!? I feel that this is way too thin. No wonder I am still experiencing noises made from my neighbours upstairs.
Hello may i use the information of the height of the ceiling for my research paper? Thank you!
You can use any information as long you don’t copy large parts of articles
Some property resources here.
https://sghomeinvestment.com/
Pleasure reading this! Learnt alot more about our HDB flats.
Great research, great articles and great blogging about our very own Singapore HDB flats history and learn. I applaud šš¼ your efforts, time, passion and hardwork for this blog of our flats big love to you! šš¼ā¤ļøš
Hello! May i use the content on this page for a school project Iām working on? Thank you
You can use, as long you don’t publish large part of my articles on other websites, and don’t remove my name watermarked in floor plans.
I would like to know exactly what content are you using and how. I got similar questions like yours via LiveChat and after few minutes I realized that they were asking my permission to use photos that aren’t taken by me. Most photos posted on this page are from Panoramio (some are from Wikipedia), I saved in my computer over 2000 photos before Panoramio closed in 2016, and due to this reason, now is difficult to find out who are photographers / what is the Panoramio account name of each photo I have.
hdb is bigger
You like posting pointless comments and starting pointless conversations with me?
LiveChat conversation transcript:
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Message: how many people
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Teoalida (Sun, 8/8/2021, 04:21:31 pm)
Thanks for message Visitor, if it is a question/request I will reply you between 8:00 and 22:00 GMT
Teoalida (Sun, 8/8/2021, 04:21:55 pm)
what are you asking about??
Visitor (Sun, 8/8/2021, 04:22:12 pm)
https://www.teoalida.com/singapore/HDB-1993-1998-EA-corridor-144sqm.png
Visitor (Sun, 8/8/2021, 04:23:15 pm)
is it big???
Teoalida (Sun, 8/8/2021, 04:25:15 pm)
size of each floor plan is written in filename + at bottom of image
Visitor (Sun, 8/8/2021, 04:28:43 pm)
ok thanks
(Sun, 8/8/2021, 04:31:37 pm)
Visitor rated the chat as bad
(Sun, 8/8/2021, 04:31:59 pm)
Visitor left the chat.
Hi Teoalida, I would like to use one of your layout for our group assignment. Kindly approve. Many thanks in advance.
Hi Teoalida, Thank you very much for the article. Noted of Old and NEW Trend HDB unit-layouts especially on the position of common toilet.
From my personal experience on common toilet renovation (relocating its access point, being via kitchen, to service yard, shifting shower point, basin point, etc) , HDB should design layout to avoid common Toilet/Bath being accessible directly from the living room for better ventilation. All the Toilets ventilation openings should discharge to external/outside.
It seems some of Older HDB unit-layout are well designed with the adequate position of common toilet and its access point.
Thank you for the great work.
Thank you for creating such an extraordinary piece of content. It has not only entertained me but also inspired me greatly.
I’m grateful for the insightful content you’ve shared.
Hi, what’s the difference between those floor plans with and without ‘(H)’? For example, why are some of them type 1 and others type 1(H)?