Blk 420 Clementi Ave 1 is an HDB block in Clementi (completed in 2012, 40 storeys, 300 units). As of Jul 2026, its median resale price over the last 24 months is $935,000, about 50% above the Clementi median, from 17 sales. 78 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Clementi |
|---|---|
| Completed | 2012 |
| Lease from | 2013 |
| Storeys | 40 |
| Dwelling units | 300 |
| Unit mix (sold) | 3-room ×76 · 4-room ×224 |
| Recorded resales | 78 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 3-Room | $650,000 | $8,784/m² | 5 |
| 4-Room | $961,944 | $10,017/m² | 12 |
Median monthly rent at this block: $4,000/mo (6 rental contracts, last 12 months).
Estimated gross rental yield: ~5.1% (Clementi average: ~6.3%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 10% of Clementi blocks with recent sales.
For a typical 4-room flat here, our price model estimates $844,687–$944,904 (central estimate $894,795). Recent sales — median $916,609 — sit within that range. The model explains 94% of resale prices with a typical error of ±6%. Indicative only — not an official valuation.
| Year | Median (nominal) | Median (today's $) | Sales |
|---|---|---|---|
| 2016 | $623,000 | $743,092 | 2 |
| 2017 | $710,000 | $842,005 | 15 |
| 2018 | $665,000 | $785,196 | 10 |
| 2019 | $680,000 | $798,376 | 8 |
| 2020 | $625,000 | $735,067 | 5 |
| 2021 | $750,888 | $863,135 | 5 |
| 2022 | $620,000 | $671,510 | 5 |
| 2023 | $809,000 | $835,813 | 8 |
| 2024 | $912,500 | $920,740 | 6 |
| 2025 | $926,500 | $926,500 | 10 |
| 2026 | $792,500 | $792,500 | 4 |
| Record sale | $1,050,000 (4-Room, 2025-03) |
|---|---|
| First recorded sale | $521,000 (2016-07) |
| Busiest year | 2017 · 15 sales |
| 10-year change (real) | +7% (+0.6%/yr, 2016→2026) |
| Total transacted | $57.4M across 78 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-06 | 3-Room | 04 TO 06 | 74 | $648,000 |
| 2026-06 | 4-Room | 22 TO 24 | 96 | $980,000 |
| 2026-05 | 3-Room | 04 TO 06 | 74 | $650,000 |
| 2026-05 | 4-Room | 10 TO 12 | 96 | $935,000 |
| 2025-12 | 4-Room | 28 TO 30 | 100 | $980,000 |
| 2025-09 | 4-Room | 04 TO 06 | 96 | $915,000 |
| 2025-06 | 4-Room | 04 TO 06 | 91 | $850,000 |
| 2025-04 | 3-Room | 37 TO 39 | 74 | $730,000 |
| 2025-04 | 4-Room | 16 TO 18 | 100 | $938,000 |
| 2025-03 | 3-Room | 07 TO 09 | 73 | $638,000 |
| 2025-03 | 4-Room | 37 TO 39 | 91 | $1,050,000 |
| 2025-02 | 4-Room | 25 TO 27 | 92 | $948,888 |
| 2025-02 | 4-Room | 31 TO 33 | 100 | $998,000 |
| 2025-01 | 3-Room | 25 TO 27 | 73 | $662,000 |
| 2024-11 | 4-Room | 34 TO 36 | 96 | $1,000,000 |
| 2024-10 | 4-Room | 31 TO 33 | 92 | $975,000 |
| 2024-08 | 4-Room | 22 TO 24 | 91 | $915,000 |
| 2024-07 | 4-Room | 10 TO 12 | 100 | $910,000 |
| 2024-04 | 4-Room | 19 TO 21 | 92 | $910,000 |
| 2024-03 | 4-Room | 25 TO 27 | 92 | $895,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 425 | $1,050,000 | $9,500/m² |
| 2. Blk 416 | $1,045,000 | $9,778/m² |
| 3. Blk 421 | $952,488 | $9,838/m² |
| 4. Blk 420 | $935,000 | $9,800/m² |
| 5. Blk 417 | $921,500 | $9,448/m² |
| 6. Blk 424 | $830,094 | $9,514/m² |
| 7. Blk 418 | $691,500 | $9,300/m² |
| 8. Blk 423 | $577,500 | $9,553/m² |
The median resale price over the last 24 months is $935,000 (17 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical 4-room flat here, our price model estimates $844,687–$944,904 (central estimate $894,795). Recent sales — median $916,609 — sit within that range.
The median monthly rent is $4,000/mo over the last 12 months (6 contracts).
The block was completed in 2012 and its 99-year lease runs from 2013.