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HDB Floor Plans Over the Years: How 3 Homeowners in Singapore Have Adapted to Changes

Joanne Poh
HDB Floor Plans Over the Years: How 3 Homeowners in Singapore Have Adapted to Changes
Land is scarce in Singapore, which is why it is no surprise that HDB flats, condos and apartments have grown more compact over the years. Developers have also taken to building a larger supply of small unit types.
To accommodate local households’ changing needs and to ensure effective use of precious space, HDB floor plans have also changed over the years. At the same time, HDB prices have been rising – especially that of newer, freshly MOP-ed HDB resale flats – which makes it all the more important for home buyers to analyse the flat’s floor plan when making a purchase.
In this guide, we will take a look the changes in the size and layouts of HDB flats over the years, and how Singaporeans are adapting to them.

HDB Floor Plans Over the Years

Compared to the HDB flats of the past, new flat layouts have changed in the following ways:
HDB floor plans in the pastHDB floor plans now
Kitchens were bigger and widerNarrower kitchens, with a width of 2.2 to 2.4 metres
Most windows face the north-south direction to maximise wind flow and reduce heatAside from flats being north-south facing, architectural decisions are more optimised and windows are larger
Bedrooms open directly into the living roomBedrooms and the shared bathroom open into a narrow corridor; segmented from the living area
3-room flat types used to be the smallest flat typeMore 2-room Flexi and 3-room flats; 3 room flats now the average flat type sold
Bedroom windows open up to the HDB common corridorBedroom windows no longer open up to the common corridor
Individual rubbish chute in flats’ kitchensShared rubbish chute near lift landing
HDB balconies are more commonHDB balconies are rarer, usually in DBSS or newer flat types
Here’s a infographic from Teoalida to help you visualise the changes:
hdb-floor-plan-over-the-years-teoalida

1. Kitchen Sizes: Smaller and Narrower

Older flats used to have much bigger kitchens, but HDB soon figured out that they were not using the space in the floor plan efficiently. The older flats’ width often meant that there was a lot of space not being used.
Today’s kitchens tend to be smaller as households are now likely to cook less frequently. Kitchens in new flats are much narrower, with a width of about 2.2 to 2.4 metres. The elongated kitchen design enables the installation of cabinets on both sides for more storage.
For most flat types except for 2-room flats, the HDB also offers the option of getting rid of the wall in between the kitchen and living room.

2. Direction of the Windows: Optimised With Bigger Windows, North-South Facing

In order to reduce heat, most HDB blocks are built to be north-south facing and avoid facing west. They are also built to maximise the flow of wind into the flat, and are equipped with wider and larger windows to improve ventilation and lighting.
Although they may seem trivial, these new elements are examples of how HDB has put in more thought into newer designs.
Likewise, rooms tend to favour a north-south orientation in order to minimise heat. Hence, newer flats tend to feel cooler and breezier.

3. Corridors: Bedrooms No Longer Open Directly Into the Living Room

hdb-floor-plan-over-the-years (1)
Older flats tended to have bedrooms that opened up directly into the living room, with no need for a hallway. As seen in the HDB floor plan of newer flats, the bedrooms and shared bathroom now open out into a corridor. This ensures more privacy despite a compact layout.

4. Amount of Living Space: Smaller Flat Types Being Built

HDB flats across the same flat type have not decreased that significantly in size, but the proportion of smaller flat types being built has increased.
3-room flats, which were previously the smallest flat type available are now the average new flat type being sold by the HDB. 2-room Flexi flats and 3-room flats, which were previously non-existent, now contribute to the falling average size of HDB flats.

External Changes of HDB Flats Over the Years

The external appearance and features of HDB blocks have changed over the years, too.
Most older HDB blocks used to share a common corridor running in front of flats on the same floor, with windows opening up into it. The common corridor has since been removed and HDB flat windows no longer open into the corridor but on the other side instead.
HDB residents also previously all had a rubbish chute in their flats. Newer flats do not have this feature, likely to prevent pests in homes. Instead, residents use a shared rubbish chute located in the lift lobby.
There are also fewer HDB flats equipped with balconies, which are much more commonly found in older flats.

How People Prefer to Design Their Houses in 2022

The typical Singaporean household in 2022 is quite different from its counterpart in the 60s, 70s or 80s, and housing and layout preferences have likewise changed. Due to the smaller size of common areas, particularly in 4-room and smaller flats, many owners are now choosing to knock down walls in order to expand certain spaces.
A popular modification is to hack a single wall between the kitchen and the dining area or living room, which visually expands the common areas. Some also hack the wall between the master bedroom and an adjacent bedroom in order to accommodate larger furniture like a king-sized bed and desk or to install a walk-in wardrobe.
An example is the merging of the master bedroom and common bedroom in this 4-room Bidadari BTO flat. In place of walls, the owners put in glass French doors to serve as a partition between the bedroom ‘suite’ and walk-in wardrobe.
hdb-floor-plan-over-the-years-qanvast (6)
The sleeping area was originally a common bedroom, while the walk-in wardrobe area was the original master bedroom. Source: Qanvast
hdb-floor-plan-over-the-years-qanvast (7)
Does the rest of the house match? You bet. Click on the link to see before and after pictures of the renovation. Source: Qanvast
Open concept flats are becoming increasingly trendy as well, particularly amongst childless couples who do not need kids’ bedrooms. Most of the walls are hacked to create a large studio apartment, keeping only one bedroom for sleeping, which allows their home to appear more spacious.
The owners of this Wes Anderson-inspired 4-room BTO flat in Punggol carried out a major layout change. Not only did they knock down the walls between the two common bedrooms to expand their living room space, but also turned the original living room into their master bedroom. The original master bedroom was then turned into a walk-in wardrobe.
hdb-floor-plan-over-the-years-qanvast (5)
The kitchen of a renovated 4-room flat in Punggol. Click the link for before and after pictures, and the original floor plan and modified floor plan. Source: Qanvast
hdb-floor-plan-over-the-years-qanvast (4)
During the renovation and after pictures of the 4-room Wes Anderson-inspired BTO flat with a huge common area. Source: Qanvast
Some also buy older HDB resale flats and, during the renovation process, demolish most of the interior, building it back up from scratch and enjoying unparalleled levels of customisability.
For instance, Radio DJ Kunhua removed the wall dividing the master bedroom and study to create a walk-in wardrobe. Walls were also removed in his 5-room flat so that the common areas (i.e. kitchen and living and dining areas) flowed into one another in a single, open-concept space.
hdb-floor-plan-over-the-years-qanvast (1)
Click on the link to see before and after renovation pictures, as well as the original floor plan and modified floor plan of DJ Kunhua’s 5-room HDB flat. Source: Qanvast
hdb-floor-plan-over-the-years-qanvast (2)
Aside from rearranging the kitchen layout, the basin in the common toilet was moved outside of the washing area. Source: Qanvast

Has the HDB Floor Plan of Flats Improved?

The HDB floor plan of each era has certainly evolved to become more flexible and customisable, in line with the growing desire of homeowners to design their flats to reflect their preferences. Newer flats can be more easily remodelled as structural walls have been kept to a minimum within the flat.
On top of that, HDB recently announced that they are considering offering open floor plans. What this means is that instead of doing major renovations after receiving their flats, owners could decide earlier on to fully eliminate the walls from the HDB floor plan that they deem are in the way of their ideal home design and space. Hence, saving peoples’ time and costs.
The layout of the rooms and common areas has also changed from decade to decade, with the most common configuration for 3-room and larger flats now separating the bedrooms and bathroom from the living room. They must now be accessed via a corridor, whereas in many older flats it was common for bedrooms to open directly onto the living room and for the common bathroom to be accessible via the kitchen.
This offers greater privacy and also makes it easier for owners to hack walls and merge one or more rooms without making the layout awkward or negatively affecting the rest of the flat. As the number of couples with one or no children rises, more are willing to reduce the number of bedrooms within the given HDB floor plan in favour of larger living spaces.
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This article was written by Joanne Poh. A former real estate lawyer, she writes about property and personal finance and spends her free time compulsively learning languages and roller skating in carparks.

More FAQs About HDB Floorplans in Singapore

Most new HDB flats have a living room and dining area, a kitchen with an attached service yard, one or two bathrooms and one to three bedrooms.

2-room Flexi flats have one bedroom. 3-room flats have two. 4-room and 5-room flats have three bedrooms.

2-room Flexi flats have one toilet while 3-, 4- and 5-room flats have two; one in the common area, and one in the master bedroom.

Apart from having two storeys, HDB maisonettes typically range between 1,527 to 1,700 sq ft, with some as large as 2,314 sq ft.

You can get one from PropertyGuru! PropertyGuru has a floor plan library that allows you to download into your computer and also upload it into your listing.

It depends on the HDB flat type. A 5-room flat have a bigger floor area compared to a 3-room flat.