5 Unusually Designed HDBs Built In The 90s With Unique Layouts
As someone who writes about real estate, I’ve visited more than my fair share of HDB developments in Singapore. While some have been quite conventional, there have been some that have surprised me with just how distinct they are.
So if you are someone looking for an HDB home but are after something unique, here’s a good way to look for some of these flats – by the year it was built.
As a bit of a history lesson, HDB has had different design themes through the decades. In 1960 when HDB was first set up, HDB flats were just meant to address the housing crisis. As such, flat designs were spartan and basic to keep costs down.
In the 1970s, it was about providing facilities to these HDB towns – still, nothing too fancy. It was in the 1980s that there was more thought on how HDB towns should be conceived, with the precinct concept providing for more facilities like playgrounds, fitness corners, and the like.
Now the 1990s was when things started to get more exciting (and where all our developments in this list were found). This era was about developing HDB flats with character, allowing HDB developments to have a unique architecture for them to stand out.
And so while we’ve covered some unique layouts before, this is more on the exterior of the project (which does lead to some unusual layouts too). So for those looking for something a little differentiated, here are 5 unique developments built in the 1990s to tickle your fancy.
A shortlist filtered by price, size or tenure is a useful way to narrow your options, but it won’t tell you which property is the best fit for your finances, lifestyle or long-term plans.
That’s where the real evaluation begins: comparing the trade-offs between each option to decide which one makes the most sense for your situation.
Over time, that’s also why we decided to work with agents who shared the same data-driven and advisory-led approach behind our editorial, consultants who could help readers think through decisions more objectively, rather than simply push transactions.
Today, the team has worked with more than 2,000 clients across over $5B in property transactions.
#1. Block 631-637 Choa Chu Kang North 6
Our first development takes us to Choa Chu Kang North. It was completed in 1997 and consists of 607 units of 4-room, 5-room, to Executive premium flats. It sports a very distinct design that is the product of a design and build competition held by HDB.
Principal architect Tay Kheng Soon of Akitek Tenggara fame was highly experimental with its design, and the result is nothing like what you’ve seen in most HDBs.
For one, the bright yellow curved staircase that welcomes you to the neighbourhood of Yew Tee.
The next thing you’d definitely notice is the sheltered street-level parking that is housed under the residential structure. It looks like a rocket ship about to take off, with the tall pillars just acting as a support for its hefty frame. This is actually more efficient for residents as compared to the usual multi-storey car park, so it’s a plus point in that regard.
You also have these link bridges to connect the blocks, but the truly special aspect is in the middle of the block itself.
You probably would have seen it on social media at some point, as every Instagram photographer would definitely have made a trip here to take some unique shots here for their feed. It’s undeniably imposing, although I can’t speak much for the actual practicality of it.
You do also have varying heights of the blocks to aid in ventilation.
And the link bridge to connect the blocks at all the levels is another distinct feature.
Once you get to the top, that sloping roof is also another design feature distinct to this development.
Here are some of the unit types available:
Unique Layouts
| Unit type | Price (Past 12 months) | Size |
| 4-room | $480,000-$490,000 | 113 sqm |
- Unique windows with bay windows for the master and living area
- Separate living and dining area
- Common bathroom located along the hallway
- For Bedroom 3 the window panel looks out to the next door neighbour’s bedroom
- A long and narrow service yard which isn’t as useful
| Unit type | Price (Past 12 months) | Size |
| 5-room | $585,000-$648,000 | 127 sqm |
- Located in a squarish block (Blk 632 & 633 only)
- The service yard and kitchen are inward-facing (airwell for sun and ventilation)
- Irregular shape yard, master bedroom, and bathroom
- Unit comes with 4 proper size bedrooms
- Bedroom 3 could be hacked to open up to a spacious living space
| Unit type | Price (Past 12 months) | Size |
| Executive | $668,000 | 142 sqm |
- Oddly shaped layout
- Spacious store room and irregular in shape
- Rectangular living and dining area
- Unique entranceway
#2. Block 638-643 Choa Chu Kang Street 64
Blocks 638 to 643 Choa Chu Kang is actually just right next to Choa Chu Kang North. It was completed in 1997 too (hence the similar look and colours). It housed 621 units of 4-room, 5-room, to Executive premium flats as well. Aside from that, what’s special is the unique Executive Maisonette that comes with a double rooftop garden as well as some duplex units that come with two open terraces (which is rare to find).
It is set on higher ground than the neighbouring development.
The separation between the blocks is quite wide, and you do have open grassy plains here with a basketball court set in the middle too.
The design is differentiated here by the semi-circle full-length windows for the living room.
There’s no doubt it is convenient though, with direct connectivity to Yew Tee MRT!
Unique Layouts
| Unit type | Price (Past 12 months) | Size |
| 4-room | $500,000-$570,000 | 100 sqm |
- Unit open straight to living and dining area
- Unique semi-circle living windows
- Neatly tucked store room
| Unit type | Price (Past 12 months) | Size |
| 5-room | $600,000-$688,000 | 123 sqm |
- The unit opens up to a small foyer.
- The door opens to a wall; provides privacy 4 proper sized bedrooms, a common design trait for 5-room units back then
- Good size utility/store room
- Unique semi-circle windows
| Unit type | Price (Past 12 months) | Size |
| Executive | Nil | 145-215 sqm |
- 145sqm Unique semi-circle windows
- The unit opens up to a small foyer.
- The door opens to a wall; provides privacy
- Spacious living, dining, and kitchen area
- 4 proper size bedrooms
| Unit type | Price (Past 12 months) | Size |
| Executive | Nil | 145-215 sqm |
- 215 sqm maisonette which is rare
- Spacious unit size
- The unit opens up to a small foyer
- The door opens to a wall; provides privacy
- Small balcony space
- 3 bathrooms 4 proper sized bedrooms
- 2 Roof terraces, 1 on each floor
#3. Block 658-661 Choa Chu Kang Crescent
It might seem like I have an unhealthy obsession with Choa Chu Kang, but there are really quite a few unique HDB developments here. This one is about a 6-minute drive away from the above 2 developments and is slightly newer as it was completed in 1998. On a side note, I must say though that the overall maintenance here makes it seem older.
It consists of 6 blocks that form an inverted S. With 688 units of 4, 5, and Executive premium flats it is a similar size to the above 2 as well.
The unique roof here is what sets it apart, and you’ll see this at the pavilion on the lower floor of the estate.
Another unique aspect is the centre stacks that form the highest few floors that consist of Executive flats. Although from the outside it looks quite regular, the layouts here are actually a little odd as there is quite a lot of dead space for the 4-room units.
Unique Layouts
| Unit type | Price (Past 12 months) | Size |
| 4-room | $425,000-$430,000 | 100-103 sqm |
- The unit opens up to a small foyer.
- Odd shape, with an inefficient unit layout
- Protruding column in the living area
- Odd shape kitchen hence feels tight overall, the cabinet space is compromised here
- Small bedrooms
| Unit type | Price (Past 12 months) | Size |
| 5-room | $450,000-$585,000 | 100-103 sqm |
- 122sqm (Odd layout)
- The unit opens straight to the living area; lacks privacy
- Odd layout; inefficient Protruding structural column at the common bathroom entrance
- Tight kitchen space
- Oddly placed suggested study, facing the corridor
- Unit comes with balcony; great for those that value outdoor space
| Unit type | Price (Past 12 months) | Size |
| 5-room | $450,000-$585,000 | 100-103 sqm |
- 125 sqm (Squarish layout)
- The unit opens up to a small foyer
- Squarish unit layout
- Spacious living and dining area
- Oddly placed structural column in the living area
- Neatly tucked suggested study which could potentially be converted into a proper bedroom if need be
| Unit type | Price (Past 12 months) | Size |
| Executive | Nil | 141 sqm |
- The unit opens straight up to the living and dining area.
- Oddly place main door entrance with no support wall to lean against
- Protruding columns in the living area take up space
- Bedroom 3 windows are inefficient space
- For an executive unit, the store room is on the small side
- The odd shape study area is impractical
#4. Block 687-691 Jurong West Central 1
Blocks 687-691 in Jurong West Central was completed in 1998 (see, these flats were all completed within very similar time frames). It houses 5 blocks of 13 floors here, with 614 units of 4-room, 5-room, and Executive premium flats.
Each block forms a triangular shape with a void space in the middle.
What’s quite nice here is the open space in the middle, which has a playground and several expansive spaces to run about.
The landscaping here too was truly a surprise! It’s very well kept, and the styling of the trees looks like it’s taken out of a Japanese garden. It certainly wouldn’t look out of place in a condo environment too.
The same goes for this leaning tower of Pisa-like tree.
And depending on the block, certain lower levels here will form 4 or 5-room flats, while the higher floors will consist of the 5-room and Executive flats.
Unique Layouts
| Unit type | Price (Past 12 months) | Size |
| 4-room | $448,000-$530,000 | 98 – 100 sqm |
- The unit opens up to a small foyer.
- Odd shape; inefficient unit layout
- Protruding column in the living area
- Odd shape kitchen hence feels tight overall
- Cabinet space is compromised in this case
- Small bedrooms
| Unit type | Price (Past 12 months) | Size |
| 5-room | $550,000-$638,000 | 118 – 120 sqm |
- 120sqm (Odd layout)
- The unit opens straight to the living area; lacks privacy
- Odd layout; inefficient
- Protruding structural column at the common bathroom entrance
- Tight kitchen space
- Oddly placed suggested study, facing the corridor
- Unit comes with balcony; great for those that value outdoor space
- Odd shape living, dining, and store room
| Unit type | Price (Past 12 months) | Size |
| Executive | $652,000-$738,000 | 139 sqm |
- Odd unit layout
- The unit opens straight up to the living and dining area.
- Oddly place main door entrance with no support wall to lean against
- Protruding columns in the living area take up space
- Bedroom 3 windows are inefficient space
- For an executive unit, the store room is on the small side.
- Odd shape study area
#5. Block 513-532 Jelapang Road
This could be one of the most recognisable HDB blocks. With the distinct stepped architecture, it is definitely quite a sight to see. Built in 1997, there are 20 blocks in total that house a massive 1,878 units. You have a mixture of 4-room, 5-room, and Executive Apartments and Maisonette flats here.
As for that unique stepped look, most of the odd-numbered blocks will have cascading stairs that protrude out.
Unique Layouts
| Unit type | Price (Past 12 months) | Size |
| 4-room | $400,000-$485,000 | 102-103 sqm |
- The living and dining areas are separated
- Squarish and efficient unit layout
- Protruding column in the living area
- Living, dining, and bedroom
- 2 faces common corridor
- Decent size bedrooms
| Unit type | Price (Past 12 months) | Size |
| 5-room | $535,000-$620,000 | 121 – 131 sqm |
- 124 sqm
- Squarish unit layout
- The unit comes with 3 decent-sized bedrooms and a balcony
- Protruding column between the dining and living area.
- Kitchen located in between master and common bedroom
| Unit type | Price (Past 12 months) | Size |
| Executive Apartment/Maisonette | $680,000-$858,000 | 140 – 145 sqm |
- Squarish unit layout
- The unit opens straight up to the living and dining area.
- Oddly place main door entrance with no support wall to lean against a decent-sized common bedroom
- Spacious master bedroom
- Jack and Jill common bathroom
For more interesting HDB flat news, as well as insights on homeownership in Singapore, follow us on Stacked Homes. We’ll provide you with the latest news and updates as they come.
A shortlist sorted by one variable is a fast way to narrow your options, but the pick that’s cheapest, biggest, or most convenient isn’t always the one that fits your situation best.
If you’d like to discuss how this applies to your own circumstances, you can reach out for a one-to-one consultation here.
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Frequently asked questions
What makes the HDB flats in Choa Chu Kang North 6 unique?
Are there any special features in the Choa Chu Kang Street 64 development?
What is notable about the Jurong West Central 1 HDB blocks built in 1998?
How does the Jelapang Road HDB estate stand out?
What are some of the unique design elements of the Choa Chu Kang Crescent blocks?
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