Blk 420 Clementi Avenue 1 — HDB resale prices
HDB resale prices, Clementi · 3-Room, 4-Room · built 2012
median resale price, last 24 months
17 sales in that window · as of Sep 2026
How it compares
Blk 420 Clementi Avenue 1 is an HDB block in Clementi (completed in 2012, 40 storeys, 300 units). As of Sep 2026, its median resale price over the last 24 months is $928,000, about 46% above the Clementi median, from 17 sales. 80 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 3-room ×76 · 4-room ×224
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $4,050/mo (10 rental contracts, last 12 months).
Estimated gross rental yield: ~5.2% (Clementi average: ~6.1%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 12% of Clementi blocks with recent sales.
What the price model says
For a typical 4-room flat here, our price model estimates $860,099–$961,565 (central estimate $910,832). Recent sales — median $918,217 — sit within that range. The model explains 94% of resale prices with a typical error of ±6%. Indicative only — not an official valuation.
Median resale price by year
| 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 | $927,500 | $927,500 | 6 |
Records
| 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) | +25% (+2.2%/yr, 2016→2026) |
| Total transacted | $59.3M across 80 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-08 | 4-Room | 07–09 | 96 m² | $928,000 |
| 2026-07 | 4-Room | 10–12 | 92 m² | $927,000 |
| 2026-06 | 4-Room | 22–24 | 96 m² | $980,000 |
| 2026-06 | 3-Room | 04–06 | 74 m² | $648,000 |
| 2026-05 | 4-Room | 10–12 | 96 m² | $935,000 |
| 2026-05 | 3-Room | 04–06 | 74 m² | $650,000 |
| 2025-12 | 4-Room | 28–30 | 100 m² | $980,000 |
| 2025-09 | 4-Room | 04–06 | 96 m² | $915,000 |
| 2025-06 | 4-Room | 04–06 | 91 m² | $850,000 |
| 2025-04 | 4-Room | 16–18 | 100 m² | $938,000 |
| 2025-04 | 3-Room | 37–39 | 74 m² | $730,000 |
| 2025-03 | 4-Room | 37–39 | 91 m² | $1,050,000 |
| 2025-03 | 3-Room | 07–09 | 73 m² | $638,000 |
| 2025-02 | 4-Room | 31–33 | 100 m² | $998,000 |
| 2025-02 | 4-Room | 25–27 | 92 m² | $948,888 |
| 2025-01 | 3-Room | 25–27 | 73 m² | $662,000 |
| 2024-11 | 4-Room | 34–36 | 96 m² | $1,000,000 |
| 2024-10 | 4-Room | 31–33 | 92 m² | $975,000 |
| 2024-08 | 4-Room | 22–24 | 91 m² | $915,000 |
| 2024-07 | 4-Room | 10–12 | 100 m² | $910,000 |
Clementi Avenue 1 blocks ranked by price
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Quick answers
How much does a flat at Blk 420 Clementi Avenue 1 cost?
The median resale price over the last 24 months is $928,000 (17 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 420 Clementi Avenue 1 fairly priced?
For a typical 4-room flat here, our price model estimates $860,099–$961,565 (central estimate $910,832). Recent sales — median $918,217 — sit within that range.
What is the rent at Blk 420 Clementi Avenue 1?
The median monthly rent is $4,050/mo over the last 12 months (10 contracts).
How old is Blk 420 Clementi Avenue 1?
The block was completed in 2012 and its 99-year lease runs from 2013.