Blk 21 Hougang Ave 3
Completed 1977 · 12 storeys · 130 flats · 50 years 11 months remaining · 27 resale transactions on record · median household income in Hougang: $8,500/mo
12 storeys · completed 1977
What the record shows
A 3-room here sold for $425,000 in Jun 2026. The same flat type in this block averaged $317,667 in 2020 - a gain of $107,333 - about $49 a day while the owner slept.
In this block, 3-room flats from floor 8 up have sold for a median of $360,000 - $1,112 more than floors 4 and below, same flat type, same block.
This block crossed 60 years remaining in 2017 - the line where CPF usage rules tighten for buyers. In Hougang over the last two years, flats below that line sold at a median 10% below their younger neighbours' PSF (818 sales).
Across Hougang, roughly 285 flats in newly-completed blocks reach the end of MOP between 2026 and 2028 - new sellers entering this market.
Rent check
What flats in this block actually rented for in the last 12 months - official approvals, not listings. If you’re quoted much more, you have a number to negotiate with.
| Type | Block median | Range | Hougang median | Gross yield | Rented |
|---|---|---|---|---|---|
| 3-ROOM | $2,750/mo | $2,500–$3,000 | $2,700/mo | - | 6 |
Price trend
median PSF by year · ━ this block · ╌ Hougang · gaps = years with no sales here
The height gradient
every sale in 5 years, plotted by starting floor · 13 sales - do higher floors really fetch more here?
Every recent sale HDB official record, latest 27
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| Jun 2026 | 3 ROOM | 01 to 03 | 73 | $425,000 | $541 | 50y 11m |
| Sept 2025 | 4 ROOM | 01 to 03 | 98 | $505,000 | $479 | 51y 09m |
| Jun 2025 | 4 ROOM | 04 to 06 | 98 | $519,000 | $492 | 51y 11m |
| Feb 2025 | 4 ROOM | 04 to 06 | 98 | $500,888 | $475 | 52y 04m |
| Apr 2024 | 3 ROOM | 07 to 09 | 73 | $380,000 | $484 | 53y 01m |
| Aug 2023 | 3 ROOM | 04 to 06 | 88 | $435,228 | $459 | 53y 09m |
| Jun 2023 | 3 ROOM | 10 to 12 | 73 | $378,000 | $481 | 54y |
| Apr 2023 | 3 ROOM | 10 to 12 | 73 | $358,000 | $456 | 54y 02m |
| Feb 2023 | 3 ROOM | 01 to 03 | 73 | $358,888 | $457 | 54y 04m |
| Feb 2023 | 3 ROOM | 10 to 12 | 73 | $360,000 | $458 | 54y 04m |
| Nov 2022 | 3 ROOM | 07 to 09 | 73 | $400,000 | $509 | 54y 07m |
| Apr 2022 | 3 ROOM | 04 to 06 | 73 | $340,000 | $433 | 55y 02m |
| Dec 2021 | 3 ROOM | 01 to 03 | 73 | $318,000 | $405 | 55y 05m |
| Aug 2020 | 3 ROOM | 01 to 03 | 73 | $295,000 | $375 | 56y 09m |
| Sept 2019 | 3 ROOM | 07 to 09 | 88 | $315,000 | $333 | 57y 09m |
| Apr 2019 | 4 ROOM | 01 to 03 | 98 | $330,000 | $313 | 58y 01m |
| Jan 2019 | 3 ROOM | 01 to 03 | 73 | $290,000 | $369 | 58y 05m |
| May 2018 | 3 ROOM | 10 to 12 | 73 | $290,000 | $369 | 59y |
| Jan 2018 | 3 ROOM | 01 to 03 | 73 | $262,500 | $334 | 59y 05m |
| Dec 2017 | 3 ROOM | 01 to 03 | 73 | $267,000 | $340 | 59y 05m |
| Dec 2017 | 3 ROOM | 04 to 06 | 73 | $275,000 | $350 | 59y 05m |
| May 2017 | 3 ROOM | 01 to 03 | 73 | $265,000 | $337 | 60y |
| May 2017 | 4 ROOM | 10 to 12 | 98 | $390,000 | $370 | 60y |
| May 2017 | 4 ROOM | 10 to 12 | 98 | $377,400 | $358 | 60y |
| Apr 2017 | 3 ROOM | 10 to 12 | 88 | $310,000 | $327 | 60y 01m |
| Mar 2017 | 3 ROOM | 07 to 09 | 73 | $298,000 | $379 | 60y 02m |
| Jan 2017 | 3 ROOM | 07 to 09 | 73 | $305,000 | $388 | 60y 04m |
Who lives in Hougang
Census of Population 2020 · planning-area aggregates · SingStat via data.gov.sg
The neighbourhood
What sits around this address - distances computed from official OneMap and LTA records.
The neighbourhood, photographed
freely-licensed photographs taken within ~450 m · Wikimedia Commons
Around this block
The nearest blocks by actual distance - street names are postal artifacts, so true neighbours often sit on a different road. Price gaps are median-vs-median on the flat type both blocks actually trade.
Condos nearby
The private premium, measured: the nearest condo trades at 4.3×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.