Blk 420 Clementi Ave 1
Completed 2012 · 40 storeys · 300 flats · 86 years 03 months remaining · 77 resale transactions on record · median household income in Clementi: $10,500/mo
40 storeys · completed 2012
What the record shows
A 4-room here sold for $927,000 in Jul 2026. The same flat type in this block averaged $734,315 in 2020 - a gain of $192,685 - about $88 a day while the owner slept.
In this block, 4-room flats from floor 27 up have sold for a median of $989,000 - $122,056 more than floors 13 and below, same flat type, same block.
This block crosses 60 years remaining in 2052 - the line where CPF usage rules begin tightening 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 | $3,150/mo | $2,900–$3,400 | $3,000/mo | - | 2 |
| 4-ROOM | $4,500/mo | $4,000–$4,700 | $3,900/mo | - | 7 |
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 · 35 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 | 4 ROOM | 10 to 12 | 92 | $927,000 | $936 | 86y 03m |
| Jun 2026 | 4 ROOM | 22 to 24 | 96 | $980,000 | $948 | 86y 04m |
| Jun 2026 | 3 ROOM | 04 to 06 | 74 | $648,000 | $814 | 86y 04m |
| May 2026 | 3 ROOM | 04 to 06 | 74 | $650,000 | $816 | 86y 05m |
| May 2026 | 4 ROOM | 10 to 12 | 96 | $935,000 | $905 | 86y 04m |
| Dec 2025 | 4 ROOM | 28 to 30 | 100 | $980,000 | $910 | 86y 10m |
| Sept 2025 | 4 ROOM | 04 to 06 | 96 | $915,000 | $885 | 87y 01m |
| Jun 2025 | 4 ROOM | 04 to 06 | 91 | $850,000 | $868 | 87y 04m |
| Apr 2025 | 3 ROOM | 37 to 39 | 74 | $730,000 | $916 | 87y 06m |
| Apr 2025 | 4 ROOM | 16 to 18 | 100 | $938,000 | $871 | 87y 05m |
| Mar 2025 | 3 ROOM | 07 to 09 | 73 | $638,000 | $812 | 87y 07m |
| Mar 2025 | 4 ROOM | 37 to 39 | 91 | $1,050,000 | $1,072 | 87y 07m |
| Feb 2025 | 4 ROOM | 25 to 27 | 92 | $948,888 | $958 | 87y 08m |
| Feb 2025 | 4 ROOM | 31 to 33 | 100 | $998,000 | $927 | 87y 08m |
| Jan 2025 | 3 ROOM | 25 to 27 | 73 | $662,000 | $842 | 87y 09m |
| Nov 2024 | 4 ROOM | 34 to 36 | 96 | $1,000,000 | $968 | 87y 11m |
| Oct 2024 | 4 ROOM | 31 to 33 | 92 | $975,000 | $985 | 88y |
| Aug 2024 | 4 ROOM | 22 to 24 | 91 | $915,000 | $934 | 88y 02m |
| Jul 2024 | 4 ROOM | 10 to 12 | 100 | $910,000 | $845 | 88y 03m |
| Apr 2024 | 4 ROOM | 19 to 21 | 92 | $910,000 | $919 | 88y 06m |
| Mar 2024 | 4 ROOM | 25 to 27 | 92 | $895,000 | $904 | 88y 07m |
| Dec 2023 | 4 ROOM | 04 to 06 | 100 | $778,000 | $723 | 88y 10m |
| Oct 2023 | 4 ROOM | 16 to 18 | 91 | $855,000 | $873 | 89y |
| Sept 2023 | 4 ROOM | 04 to 06 | 91 | $765,000 | $781 | 89y |
| Jun 2023 | 4 ROOM | 28 to 30 | 91 | $842,000 | $860 | 89y 04m |
| Apr 2023 | 4 ROOM | 25 to 27 | 99 | $840,000 | $788 | 89y 06m |
| Apr 2023 | 4 ROOM | 04 to 06 | 100 | $883,888 | $821 | 89y 06m |
| Apr 2023 | 3 ROOM | 40 to 42 | 74 | $675,000 | $847 | 89y 06m |
| Jan 2023 | 3 ROOM | 16 to 18 | 73 | $618,000 | $786 | 89y 09m |
| Sept 2022 | 3 ROOM | 13 to 15 | 74 | $608,000 | $763 | 90y 01m |
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.
built 2011 · same generation
4-room median $325k below this block · 9 vs 14 sales
built 2022 · 10 more lease years than this block
built 2011 · same generation
built 2022 · 10 more lease years than this block
4-room median $17k below this block · 4 vs 14 sales
Condos nearby
The private premium, measured: the nearest condo trades at 2.4×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.