Blk 427 Clementi Ave 3
Completed 1977 · 12 storeys · 154 flats · 51 years 11 months remaining · 23 resale transactions on record · median household income in Clementi: $10,500/mo
12 storeys · completed 1977
What the record shows
A 3-room here sold for $472,000 in Jul 2025. The same flat type in this block averaged $379,250 in 2020 - a gain of $92,750 - about $42 a day while the owner slept.
In this block, 3-room flats from floor 8 up have sold for a median of $465,000 - $26,556 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 Clementi over the last two years, flats below that line sold at a median 42% below their younger neighbours' PSF (741 sales).
Across Clementi, roughly 2,283 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 | Clementi median | Gross yield | Rented |
|---|---|---|---|---|---|
| 3-ROOM | $3,000/mo | $2,000–$3,500 | $3,000/mo | - | 7 |
| 4-ROOM | $4,500/mo | $4,500–$4,500 | $3,900/mo | - | 1 |
Price trend
median PSF by year · ━ this block · ╌ Clementi · gaps = years with no sales here
The height gradient
every sale in 5 years, plotted by starting floor · 10 sales - do higher floors really fetch more here?
Every recent sale HDB official record, latest 23
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| Jul 2025 | 3 ROOM | 10 to 12 | 67 | $472,000 | $654 | 51y 11m |
| Jul 2025 | 4 ROOM | 04 to 06 | 91 | $622,000 | $635 | 51y 10m |
| May 2025 | 3 ROOM | 10 to 12 | 67 | $470,000 | $652 | 52y |
| May 2025 | 3 ROOM | 10 to 12 | 67 | $460,000 | $638 | 52y 01m |
| Oct 2024 | 3 ROOM | 04 to 06 | 67 | $436,000 | $605 | 52y 08m |
| Apr 2024 | 3 ROOM | 10 to 12 | 67 | $420,000 | $582 | 53y 02m |
| Aug 2023 | 4 ROOM | 07 to 09 | 91 | $550,000 | $562 | 53y 10m |
| Jul 2022 | 3 ROOM | 04 to 06 | 81 | $440,888 | $506 | 54y 11m |
| Apr 2022 | 3 ROOM | 01 to 03 | 81 | $450,000 | $516 | 55y 01m |
| Sept 2021 | 3 ROOM | 01 to 03 | 67 | $370,000 | $513 | 55y 09m |
| Nov 2020 | 3 ROOM | 01 to 03 | 67 | $322,000 | $446 | 56y 06m |
| Oct 2020 | 4 ROOM | 01 to 03 | 91 | $470,000 | $480 | 56y 08m |
| Aug 2020 | 3 ROOM | 04 to 06 | 81 | $375,000 | $430 | 56y 10m |
| Jun 2020 | 3 ROOM | 01 to 03 | 67 | $320,000 | $444 | 57y |
| Jun 2020 | 3 ROOM | 04 to 06 | 67 | $330,000 | $458 | 57y 01m |
| Mar 2020 | 3 ROOM | 10 to 12 | 67 | $346,888 | $481 | 57y 02m |
| Mar 2020 | 3 ROOM | 10 to 12 | 67 | $438,000 | $607 | 57y 02m |
| Jul 2019 | 4 ROOM | 10 to 12 | 91 | $515,000 | $526 | 57y 10m |
| Nov 2018 | 3 ROOM | 07 to 09 | 81 | $380,000 | $436 | 58y 06m |
| Dec 2017 | 3 ROOM | 07 to 09 | 81 | $430,000 | $493 | 59y 05m |
| Dec 2017 | 4 ROOM | 10 to 12 | 91 | $525,000 | $536 | 59y 05m |
| Dec 2017 | 3 ROOM | 07 to 09 | 67 | $370,000 | $513 | 59y 05m |
| Oct 2017 | 3 ROOM | 04 to 06 | 67 | $355,000 | $492 | 59y 07m |
Who lives in Clementi
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.
3-room median $36k below this block · 6 vs 4 sales
3-room median $42k below this block · 5 vs 4 sales
built 2020 · 43 more lease years than this block
built 2020 · 43 more lease years than this block
built 1979 · same generation
3-room median $9k above this block · 4 vs 4 sales
Condos nearby
The private premium, measured: the nearest condo trades at 3.1×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.