Blk 427 Clementi Ave 3 is an HDB block in Clementi (completed in 1977, 12 storeys, 154 units). As of Jul 2026, its median resale price over the last 24 months is $470,000, about 25% below the Clementi median, from 5 sales. 202 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Clementi |
|---|---|
| Completed | 1977 |
| Lease from | 1978 |
| Storeys | 12 |
| Dwelling units | 154 |
| Unit mix (sold) | 3-room ×132 · 4-room ×22 |
| Recorded resales | 202 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 3-Room | $465,000 | $6,940/m² | 4 |
| 4-Room | $622,000 | $6,835/m² | 1 |
Median monthly rent at this block: $2,900/mo (6 rental contracts, last 12 months).
Estimated gross rental yield: ~7.4% (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 36% of Clementi blocks with recent sales.
For a typical 3-room flat here, our price model estimates $418,168–$467,781 (central estimate $442,975). Recent sales — median $465,000 — 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 |
|---|---|---|---|
| 1990 | $48,500 | $90,797 | 6 |
| 1991 | $47,000 | $85,063 | 3 |
| 1992 | $60,000 | $106,208 | 5 |
| 1993 | $85,000 | $147,091 | 7 |
| 1994 | $95,000 | $159,463 | 7 |
| 1995 | $139,000 | $229,362 | 3 |
| 1996 | $195,000 | $317,387 | 12 |
| 1997 | $219,500 | $350,180 | 10 |
| 1998 | $185,000 | $295,945 | 9 |
| 1999 | $179,000 | $286,279 | 14 |
| 2000 | $178,000 | $280,891 | 11 |
| 2001 | $188,000 | $293,695 | 11 |
| 2002 | $166,000 | $260,346 | 7 |
| 2003 | $205,500 | $320,731 | 8 |
| 2004 | $198,400 | $304,557 | 10 |
| 2005 | $207,500 | $317,026 | 6 |
| 2006 | $185,500 | $280,702 | 10 |
| 2007 | $249,000 | $369,006 | 7 |
| 2008 | $305,000 | $423,869 | 3 |
| 2009 | $310,000 | $428,299 | 8 |
| 2010 | $345,000 | $463,542 | 3 |
| 2011 | $470,000 | $599,982 | 2 |
| 2012 | $430,500 | $525,486 | 2 |
| 2013 | $405,000 | $482,944 | 3 |
| 2014 | $398,000 | $469,739 | 3 |
| 2015 | $345,000 | $409,326 | 1 |
| 2016 | $420,000 | $500,961 | 8 |
| 2017 | $400,000 | $474,369 | 4 |
| 2018 | $380,000 | $448,683 | 1 |
| 2019 | $515,000 | $604,652 | 1 |
| 2020 | $346,888 | $407,978 | 7 |
| 2021 | $370,000 | $425,310 | 1 |
| 2022 | $445,444 | $482,452 | 2 |
| 2023 | $550,000 | $568,229 | 1 |
| 2024 | $428,000 | $431,865 | 2 |
| 2025 | $471,000 | $471,000 | 4 |
| Record sale | $622,000 (4-Room, 2025-07) |
|---|---|
| First recorded sale | $55,000 (1990-01) |
| Busiest year | 1999 · 14 sales |
| 10-year change (real) | +15% (+1.4%/yr, 2015→2025) |
| Total transacted | $48.7M across 202 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-07 | 3-Room | 10 TO 12 | 67 | $472,000 |
| 2025-07 | 4-Room | 04 TO 06 | 91 | $622,000 |
| 2025-05 | 3-Room | 10 TO 12 | 67 | $460,000 |
| 2025-05 | 3-Room | 10 TO 12 | 67 | $470,000 |
| 2024-10 | 3-Room | 04 TO 06 | 67 | $436,000 |
| 2024-04 | 3-Room | 10 TO 12 | 67 | $420,000 |
| 2023-08 | 4-Room | 07 TO 09 | 91 | $550,000 |
| 2022-07 | 3-Room | 04 TO 06 | 81 | $440,888 |
| 2022-04 | 3-Room | 01 TO 03 | 81 | $450,000 |
| 2021-09 | 3-Room | 01 TO 03 | 67 | $370,000 |
| 2020-11 | 3-Room | 01 TO 03 | 67 | $322,000 |
| 2020-10 | 4-Room | 01 TO 03 | 91 | $470,000 |
| 2020-08 | 3-Room | 04 TO 06 | 81 | $375,000 |
| 2020-06 | 3-Room | 04 TO 06 | 67 | $330,000 |
| 2020-06 | 3-Room | 01 TO 03 | 67 | $320,000 |
| 2020-03 | 3-Room | 10 TO 12 | 67 | $438,000 |
| 2020-03 | 3-Room | 10 TO 12 | 67 | $346,888 |
| 2019-07 | 4-Room | 10 TO 12 | 91 | $515,000 |
| 2018-11 | 3-Room | 07 TO 09 | 81 | $380,000 |
| 2017-12 | 3-Room | 07 TO 09 | 81 | $430,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 440C | $1,391,500 | $12,424/m² |
| 2. Blk 441A | $1,359,444 | $11,568/m² |
| 3. Blk 445A | $1,274,000 | $12,949/m² |
| 4. Blk 445B | $1,250,000 | $12,944/m² |
| 5. Blk 441B | $1,118,000 | $12,043/m² |
| 6. Blk 459 | $1,022,500 | $9,295/m² |
| 7. Blk 440A | $1,000,000 | $11,782/m² |
| 8. Blk 458 | $923,000 | $8,391/m² |
| 9. Blk 455 | $900,000 | $10,000/m² |
| 10. Blk 462 | $892,000 | $9,911/m² |
| 11. Blk 456 | $876,000 | $9,733/m² |
| 12. Blk 461 | $874,444 | $8,836/m² |
| 13. Blk 454 | $852,000 | $9,467/m² |
| 14. Blk 457 | $848,000 | $9,593/m² |
| 15. Blk 460 | $793,800 | $9,230/m² |
Showing the top 15 of 26 blocks.
The median resale price over the last 24 months is $470,000 (5 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical 3-room flat here, our price model estimates $418,168–$467,781 (central estimate $442,975). Recent sales — median $465,000 — sit within that range.
The median monthly rent is $2,900/mo over the last 12 months (6 contracts).
The block was completed in 1977 and its 99-year lease runs from 1978.