Blk 631 Ang Mo Kio Ave 4
Completed 1979 · 11 storeys · 200 flats · 57 years 07 months remaining · 48 resale transactions on record · adjoined flats on the record · median household income in Ang Mo Kio: $7,500/mo (lowest quartile island-wide)
11 storeys · completed 1979 · shops below
What the record shows
A 3-room here sold for $440,000 in Jul 2026. The same flat type in this block averaged $319,722 in 2020 - a gain of $120,278 - about $55 a day while the owner slept.
In this block, 3-room flats from floor 8 up have sold for a median of $408,000 - $38,000 more than floors 3 and below, same flat type, same block.
This block crossed 60 years remaining in 2024 - the line where CPF usage rules tighten for buyers. In Ang Mo Kio over the last two years, flats below that line sold at a median 39% below their younger neighbours' PSF (1,549 sales).
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 | Ang Mo Kio median | Gross yield | Rented |
|---|---|---|---|---|---|
| 3-ROOM | $2,800/mo | $2,600–$3,000 | $2,800/mo | - | 11 |
Price trend
median PSF by year · ━ this block · ╌ Ang Mo Kio · gaps = years with no sales here
The height gradient
every sale in 5 years, plotted by starting floor · 24 sales - do higher floors really fetch more here?
Every recent sale HDB official record, latest 30
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| Jul 2026 | 3 ROOM | 10 to 12 | 67 | $440,000 | $610 | 57y 07m |
| Jul 2026 | 3 ROOM | 04 to 06 | 67 | $420,000 | $582 | 57y 07m |
| Mar 2026 | 3 ROOM | 10 to 12 | 67 | $440,000 | $610 | 57y 11m |
| Mar 2026 | 3 ROOM | 07 to 09 | 67 | $423,000 | $587 | 57y 10m |
| Mar 2026 | 3 ROOM | 04 to 06 | 67 | $440,000 | $610 | 57y 11m |
| Dec 2025 | 3 ROOM | 07 to 09 | 67 | $428,000 | $593 | 58y 02m |
| Dec 2025 | 3 ROOM | 10 to 12 | 67 | $408,000 | $566 | 58y 01m |
| Oct 2025 | 3 ROOM | 07 to 09 | 67 | $468,000 | $649 | 58y 03m |
| Oct 2025 | 3 ROOM | 04 to 06 | 67 | $427,000 | $592 | 58y 04m |
| Sept 2025 | 3 ROOM | 01 to 03 | 67 | $398,000 | $552 | 58y 04m |
| Apr 2025 | 3 ROOM | 10 to 12 | 67 | $468,000 | $649 | 58y 11m |
| Apr 2025 | 3 ROOM | 07 to 09 | 67 | $420,000 | $582 | 58y 10m |
| Mar 2025 | 3 ROOM | 04 to 06 | 67 | $452,888 | $628 | 58y 11m |
| Dec 2024 | 3 ROOM | 07 to 09 | 82 | $477,000 | $540 | 59y 02m |
| Feb 2024 | 4 ROOM | 04 to 06 | 93 | $500,000 | $499 | 59y 11m |
| Sept 2023 | 5 ROOM | 10 to 12 | 134 | $830,000 | $575 | 60y 05m |
| Aug 2023 | 3 ROOM | 10 to 12 | 67 | $380,000 | $527 | 60y 06m |
| Nov 2022 | 3 ROOM | 01 to 03 | 67 | $342,000 | $474 | 61y 03m |
| Oct 2022 | 3 ROOM | 10 to 12 | 67 | $395,000 | $548 | 61y 04m |
| Feb 2022 | 3 ROOM | 07 to 09 | 67 | $375,000 | $520 | 62y |
| Jan 2022 | 3 ROOM | 10 to 12 | 67 | $341,888 | $474 | 62y |
| Nov 2021 | 4 ROOM | 01 to 03 | 93 | $385,000 | $385 | 62y 03m |
| Oct 2021 | 3 ROOM | 07 to 09 | 82 | $376,000 | $426 | 62y 04m |
| Aug 2021 | 3 ROOM | 04 to 06 | 67 | $310,000 | $430 | 62y 06m |
| Jun 2021 | 3 ROOM | 10 to 12 | 67 | $324,888 | $450 | 62y 08m |
| Aug 2020 | 3 ROOM | 07 to 09 | 67 | $290,000 | $402 | 63y 06m |
| Jul 2020 | 3 ROOM | 01 to 03 | 67 | $275,000 | $381 | 63y 06m |
| Jul 2020 | 3 ROOM | 04 to 06 | 67 | $265,000 | $367 | 63y 06m |
| Jun 2020 | 3 ROOM | 04 to 06 | 67 | $275,000 | $381 | 63y 07m |
| Oct 2019 | 3 ROOM | 07 to 09 | 67 | $278,000 | $385 | 64y 03m |
Who lives in Ang Mo Kio
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.
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.
3-room median $20k above this block · 8 vs 14 sales
3-room median $19k below this block · 3 vs 14 sales
3-room median $6k below this block · 3 vs 14 sales
built 1980 · same generation
built 1979 · same generation
3-room median within $5k of this block
Condos nearby
The private premium, measured: the nearest condo trades at 3.5×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.