Blk 231 Yishun St 21
Completed 1984 · 12 storeys · 88 flats · 60 years 04 months remaining · 17 resale transactions on record · median household income in Yishun: $7,500/mo (lowest quartile island-wide)
12 storeys · completed 1984
What the record shows
A 5-room here sold for $610,000 in Mar 2024. The same flat type in this block averaged $475,000 in 2020 - a gain of $135,000 - about $62 a day while the owner slept.
This block crossed 60 years remaining in 2024 - the line where CPF usage rules tighten for buyers. In Yishun over the last two years, flats below that line sold at a median 7% below their younger neighbours' PSF (1,008 sales).
Across Yishun, roughly 4,444 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 | Yishun median | Gross yield | Rented |
|---|---|---|---|---|---|
| 4-ROOM | $3,200/mo | $3,200–$3,200 | $3,100/mo | - | 1 |
| 5-ROOM | $3,200/mo | $3,200–$3,800 | $3,400/mo | - | 3 |
Price trend
median PSF by year · ━ this block · ╌ Yishun · gaps = years with no sales here
Every recent sale HDB official record, latest 17
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| Mar 2024 | 5 ROOM | 07 to 09 | 126 | $610,000 | $450 | 60y 04m |
| Oct 2023 | 5 ROOM | 07 to 09 | 126 | $590,000 | $435 | 60y 09m |
| Apr 2023 | 5 ROOM | 07 to 09 | 121 | $568,000 | $436 | 61y 02m |
| Jan 2023 | 4 ROOM | 10 to 12 | 95 | $473,000 | $463 | 61y 07m |
| Apr 2022 | 5 ROOM | 07 to 09 | 121 | $560,000 | $430 | 62y 03m |
| Sept 2021 | 5 ROOM | 04 to 06 | 126 | $500,000 | $369 | 62y 10m |
| Jul 2021 | 5 ROOM | 04 to 06 | 121 | $470,000 | $361 | 62y 11m |
| Jun 2021 | 5 ROOM | 10 to 12 | 126 | $528,000 | $389 | 63y 01m |
| Mar 2021 | 5 ROOM | 04 to 06 | 121 | $472,000 | $362 | 63y 03m |
| Sept 2020 | 5 ROOM | 04 to 06 | 126 | $395,000 | $291 | 63y 09m |
| Aug 2020 | 5 ROOM | 01 to 03 | 121 | $400,000 | $307 | 63y 10m |
| Sept 2019 | 5 ROOM | 04 to 06 | 126 | $390,000 | $288 | 64y 09m |
| Jul 2019 | 5 ROOM | 10 to 12 | 121 | $428,000 | $329 | 64y 11m |
| Jul 2019 | 5 ROOM | 04 to 06 | 121 | $360,000 | $276 | 65y 04m |
| Apr 2019 | 5 ROOM | 04 to 06 | 126 | $415,000 | $306 | 65y 02m |
| Sept 2018 | 5 ROOM | 01 to 03 | 121 | $410,000 | $315 | 65y 10m |
| Mar 2017 | 5 ROOM | 07 to 09 | 121 | $454,168 | $349 | 67y 03m |
Who lives in Yishun
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
Grounded in this block’s own resale record, trend and lease - ask away.