Blk 851 Yishun St 81
Completed 1987 · 12 storeys · 88 flats · 61 years remaining · 21 resale transactions on record · median household income in Yishun: $7,500/mo (lowest quartile island-wide)
12 storeys · completed 1987
What the record shows
A 4-room here sold for $620,000 in Apr 2026. The same flat type in this block averaged $430,667 in 2021 - a gain of $189,333 - about $104 a day while the owner slept.
This block crosses 60 years remaining in 2027 - the line where CPF usage rules begin tightening 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 |
Price trend
median PSF by year · ━ this block · ╌ Yishun · gaps = years with no sales here
The height gradient
every sale in 5 years, plotted by starting floor · 12 sales - do higher floors really fetch more here?
Every recent sale HDB official record, latest 21
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| Apr 2026 | 4 ROOM | 10 to 12 | 104 | $620,000 | $554 | 61y |
| Jan 2026 | 5 ROOM | 04 to 06 | 127 | $768,000 | $562 | 61y 02m |
| Oct 2025 | 4 ROOM | 10 to 12 | 104 | $570,000 | $509 | 61y 05m |
| Oct 2025 | 5 ROOM | 07 to 09 | 122 | $735,888 | $560 | 61y 05m |
| Jan 2025 | 5 ROOM | 10 to 12 | 127 | $740,000 | $541 | 62y 04m |
| Nov 2023 | 4 ROOM | 04 to 06 | 104 | $520,000 | $465 | 63y 05m |
| Apr 2023 | 5 ROOM | 01 to 03 | 127 | $660,000 | $483 | 63y 11m |
| Sept 2022 | 4 ROOM | 04 to 06 | 104 | $505,000 | $451 | 64y 06m |
| Jun 2022 | 5 ROOM | 07 to 09 | 122 | $650,000 | $495 | 64y 10m |
| Mar 2022 | 5 ROOM | 10 to 12 | 122 | $595,000 | $453 | 65y |
| Mar 2022 | 5 ROOM | 04 to 06 | 122 | $665,000 | $506 | 65y |
| Aug 2021 | 4 ROOM | 01 to 03 | 104 | $445,000 | $398 | 65y 08m |
| Jan 2021 | 4 ROOM | 04 to 06 | 104 | $442,000 | $395 | 66y 03m |
| Jan 2021 | 4 ROOM | 04 to 06 | 104 | $405,000 | $362 | 66y 02m |
| Sept 2019 | 4 ROOM | 10 to 12 | 104 | $375,000 | $335 | 67y 06m |
| Jun 2019 | 4 ROOM | 01 to 03 | 104 | $350,000 | $313 | 67y 09m |
| Jul 2018 | 4 ROOM | 01 to 03 | 104 | $348,000 | $311 | 68y 08m |
| May 2018 | 5 ROOM | 04 to 06 | 127 | $500,000 | $366 | 68y 11m |
| May 2018 | 4 ROOM | 10 to 12 | 104 | $413,000 | $369 | 68y 11m |
| Mar 2018 | 5 ROOM | 07 to 09 | 122 | $492,888 | $375 | 69y |
| Aug 2017 | 5 ROOM | 07 to 09 | 122 | $505,000 | $385 | 69y 07m |
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
The private premium, measured: the nearest condo trades at 1.9×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.