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Dec 06

HDB flat types and their sizes

Flat type abbreviation: STD = Standard, I = Improved, NG = New Generation, S = Simplified, A = Model A.
Beware of people who abbreviate Standard as S instead of STD.

1960s-1970s flat types (refuse chute in kitchen)
1-Room Emergency (1960-?) – all demolished
2-Room Emergency (1960-?) – demolished except 5 blocks
1-Room Standard (1960-?) – no evidence if it existed, in my opinion should exists
2-Room Standard (1960-1970) – around 41 sqm, one WC/shower (sample floor plan)
3-Room Standard (1960-1970) – around 50-55 sqm, one WC/shower (sample floor plan)
4-Room Standard (1960-1970) – around 70-75 sqm, one WC/shower, sometimes separate (sample floor plan)
1-Room Improved (1966-1978) – supposedly 33 sqm but multiple layouts exists (sample floor plan)
2-Room Improved (1966-1978) – usually 44 sqm, separate WC and shower (sample floor plan)
3-Room Improved (1966-1978) – usually 60 sqm, separate WC and shower (sample floor plan), 3½-Room I Modified 69 sqm
4-Room Improved (1966-1980) – usually 82-84 sqm, separate WC and shower (sample floor plan)
5-Room Standard (1974-1980) – 117-123 sqm, two toilets (sample floor plan)

1970s-1980s flat types (refuse chute in kitchen)
3-Room New Generation (1976-1989) – usually 67 sqm, two toilets, (sample floor plan), 3½-Room NG Modified 82 sqm
4-Room New Generation (1976-1989) – usually 92 sqm, two toilets (sample floor plan)
5-Room Improved (1977-1990s) – usually 121-123 sqm, two toilets (sample floor plan)
3-Room Simplified (1984-1989) – usually 64 sqm, two full-size toilets (sample floor plan)
4-Room Simplified (1984-1989) – usually 84 sqm, two full-size toilets (sample floor plan)
3-Room Model A (1982-1989) – usually 73-75 sqm, two full-size toilets (sample floor plan), 3½-Room A Modified 88-90 sqm, rare
4-Room Model A (1982-1990s) – usually 105 sqm, two full-size toilets (sample floor plan)
5-Room Model A (1982-1985) – usually 135 sqm, two full-size toilets (just few built, replaced by Executive Apartment) (sample floor plan)
5-Room Model A Maisonette (1983-1984) – most 140 sqm, some up to 155 sqm (TWO floors, just few build, replaced by Executive Maisonette) (sample floor plan)
Executive Apartment (1984-1990s) – usually 142-146 sqm (ONE floor) (sample floor plan)
Executive Maisonette (1984-1990s) – most 147 sqm, some up to 160 sqm (TWO floors) (sample floor plan)
Multi-Generation (1987) – 132 sqm / 151-171 sqm, most 166 sqm (ONE floor, 2 entrances) (sample floor plan)
4-Room / 5-Room / Executive “Jumbo” (1992-1996) – around 90-192 sqm (adjoined by HDB, fresh leases), 1 entrance, 2 or 3 full-size toilets.
4-Room / 5-Room / Executive Adjoined Flat (any year) – around 90-175 sqm (adjoined by owners, original leases), 2 entrances unless owner walled one, 2 kitchens unless owner converted one into something else, up to 4 toilets.

Early 1990s flat types (centralized refuse chute, no household shelter)
4-Room Model A (1993-1998) – usually 100-108 sqm
5-Room Improved (1993-1998) – usually 120-128 sqm
5-Room Model A (1993-1998) – usually 133-137 sqm
Executive Apartment (1993-1998) – usually 142-150+ sqm (1 floor)
Executive Maisonette (1993-1998) – usually 144-146 sqm, penthouse maisonettes up to 215 sqm (2 floors)
(sample floor plans)

Late 1990s-present flat types (with household shelter)
Studio Apartment – 35 / 45 sq m (2001-present)
2-Room Model A – 45 sq m (2008-present)
3-Room Model A – 60 sq m (2002-2008), 65 sq m (2008-present)
4-Room Model A – 100 sq m (1998-2000), 90 sq m (2000-present)
4-Room Model A2 – 90 sq m (1998-2000), 85 sq m, some 80 sq m (2000-present), only in SERS blocks
5-Room Improved – 120 sq m (1998-2000), 110 sq m (2000- present)
Executive Apartment – 140 sq m (1998-2000), 125 / 130 sq m (2000-2005)
Executive Maisonette – 140 sq m (1998-2000)
3gen flat – 115 sqm (introduced 2013, to be completed 2016-onwards), 4 bedrooms, 3 toilets, home ownership restricted for couples + 1 additional family relative
Note: the naming system (Improved / Model A) is no longer used in sales brochures since 1998, but is still displayed in the Resale flat prices.
(sample floor plans)

IMPORTANT! Flat type naming represent approximate size in sqm and number of rooms, NOT the floor plan layout. Do not associate each flat name with the sample floor plan shown there.
Many different floor plan layouts exists with same name of flat type. See HDB floor plans page for more floor plans!

I saw a list of HDB flat types & models on SingaporeWatch.org as well as many other blogs, I have no idea who copied it and who was the original author or it, but since it was wrong and incomplete, I came with idea to make my OWN list of flat types rather than copying it in my website too.
At www.teoalida.com I am the original author of the above list. Please do not copy it without my approval!

Block types
Slab block – long narrow corridor-style block with 4 to 40+ units per floor
Point block – 4 apartments per floor, no corridors, being placed at distance from other blocks
Atrium block – a term introduced in 1990s denoting blocks with more than 4 units per floor but without long corridors
All 3 terms are no longer in use since late 1990s.

HDB blocks built after 2000s are a mixture, point/atrium blocks having 4 to 12+ units per floor, long corridors but without rooms facing to corridors, and the blocks are placed close each other so they looks like a slab block when viewed from street.

F.A.Q.

What is the difference between Studio and 2-Room
Floor plan is similar, BUT…
Studio are restricted to age 55+, sold with 30-year leases, with built-in kitchen cabinets, wardrobe, elderly-friendly features, cannot be sold in open market.
2-Room can be purchased by anyone, sold with 99-year leases, with bare rooms. 2-Room can be purchased by singles too since July 2013.

What is the difference between 4-Room and 5-Room
Many people asked me this, because all BTO-era flats have 3 bedrooms.
The difference is 20 sqm, where these 20 sqm are added vary much, larger living room including study corner, larger bedrooms, or in few cases, an extra bedroom!

What is the difference between Standard and Premium HDB flats
Premium contract: tiles, wall paint, doors, kitchen cabinets, probably wardrobes too (not sure), plus better outdoor landscape, and in best cases, basement carpark. Most premium flats have full-height windows, but this is not a rule.
Standard contract: raw concrete waiting for your renovation, doors optional.
Since late 2000s premium flats are offered only in good locations, near MRT or near waterfront.

What is the difference between BTO and DBSS flats
Can’t believe that some people do not know this and asked me.
BTO are sold by HDB at subsidized prices while DBSS are sold by profit-hungry private developers at super fucking crazy outrageous high prices.
Beside this, DBSS imitate condos including their bad features, such as smaller rooms but big balcony and A/C ledge, there is NO advantage over BTO flats.
DBSS flats are supposedly higher quality than BTO premium flats, but recent DBSS projects proved otherwise, residents were upset about quality in TrivelisCentrale 8, and Pasir Ris One.

Beware of HDB naming system!

The naming system (4-Room, 5-Room, etc) is confusing, it do not denotes actual number of rooms, it define the flat size in square meters. The total flat floor area is (too) standardized after 1998. Probably the reason of standardization is related to prices and taxes. Individual room sizes may vary very much, for example: in 1985-2000 period, some 4-Room Model A had 3 small bedrooms and a livingroom big enough to build a 5th room (example), while some 5-Room Improved from same period had only 3 (but big) bedrooms and a livingroom (example).

Before 1988, all 5-Room and Executives had 3 bedrooms and a large room with separate living and dining areas, Executive had an additional utility/maid room.

During 1988-2000, the 5-Room had 4 bedrooms and a small livingroom, many owners demolished one bedroom get a proper sized livingroom, while Executives had 4 bedrooms and a big livingroom, sometimes separate living and dining areas (in most cases 4th room is called study and have two sliding doors, or no door at all).

After 2000, 5-Room are nothing else than 3 bedroom flats with larger livingroom, while Executive Apartments have 3 bedrooms plus an open study area. Since Executive Apartments were phased out in 2005, the study area was reintroduced in 5-room flats.

My opinion: too much standardization in flat sizes, the naming system (Improved, Model A) should be dropped from resale transactions or replaced with a new name, because since 1998, ALL 4-Room are Model A and all 5-Room are Improved. This creates confusion with the 1970s Improved and 1980s Model A flats, also the today 5-Room are nothing else than a flat with 4 larger rooms, they are the smallest flats named 5-Room in HDB history.

6 comments

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  1. hammer

    Music began playing when I opened up this internet site, so frustrating!

  2. Anonymous

    The biggest jumbo size is 192sqm.

  3. Our Homepage

    The launch market in Singapore real estate is rising way faster than fundamentals. I worry for it.

  4. Michael Lee

    “What is the difference between Studio and 2-Room
    2-Room are for anyone, with 99-year leases. Studio are for age 55+ with 30-year leases, cannot be sold in open market. Floor plan is similar.”

    There is one more difference:
    Studio Apartments (SAs) are pre-fitted with:
    -tiles,
    -window grilles,
    -wardrobes, kitchen stove, hood and cabinets,
    -and quite a few elder-friendly features….

    Full details: http://www.hdb.gov.sg/fi10/fi10321p.nsf/w/BuyingNewFlatStudioApt

  5. Mia Choo

    Share your article is very useful for me. Thanks a lot 🙂

  6. MyRank

    Nice article 1745, I fell the same way about PHP as this guy explained on TED http://www.youtube.com/watch?v=y3y6XMls9ns

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