Blk 231 Serangoon Ave 3 is an HDB block in Serangoon (completed in 1984, 12 storeys, 88 units). As of Jul 2026, its median resale price over the last 24 months is $763,888, about 2% below the Serangoon median, from 3 sales. 111 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Serangoon |
|---|---|
| Completed | 1984 |
| Lease from | 1985 |
| Storeys | 12 |
| Dwelling units | 88 |
| Unit mix (sold) | 4-room ×88 |
| Recorded resales | 111 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $763,888 | $7,333/m² | 3 |
Median monthly rent at this block: $3,750/mo (2 rental contracts, last 12 months).
Estimated gross rental yield: ~5.9% (Serangoon average: ~5.1%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 36% of Serangoon blocks with recent sales.
For a typical 4-room flat here, our price model estimates $622,000–$695,796 (central estimate $658,898). Recent sales — median $666,702 — 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 | $85,700 | $160,440 | 2 |
| 1991 | $91,000 | $164,697 | 3 |
| 1993 | $126,000 | $218,041 | 4 |
| 1994 | $175,000 | $293,747 | 3 |
| 1995 | $221,000 | $364,670 | 6 |
| 1996 | $285,000 | $463,873 | 5 |
| 1997 | $280,000 | $446,699 | 5 |
| 1998 | $268,000 | $428,721 | 10 |
| 1999 | $234,500 | $375,042 | 14 |
| 2000 | $235,000 | $370,839 | 3 |
| 2001 | $208,000 | $324,939 | 5 |
| 2002 | $220,000 | $345,037 | 3 |
| 2003 | $275,500 | $429,982 | 2 |
| 2004 | $233,500 | $358,438 | 4 |
| 2005 | $232,500 | $355,222 | 3 |
| 2006 | $216,000 | $326,855 | 5 |
| 2007 | $305,000 | $451,995 | 2 |
| 2008 | $237,000 | $329,367 | 1 |
| 2009 | $337,000 | $465,602 | 2 |
| 2010 | $411,500 | $552,891 | 6 |
| 2011 | $462,000 | $589,770 | 1 |
| 2012 | $478,000 | $583,466 | 3 |
| 2013 | $509,000 | $606,959 | 2 |
| 2014 | $468,000 | $552,356 | 1 |
| 2015 | $500,000 | $593,226 | 1 |
| 2017 | $460,000 | $545,524 | 1 |
| 2018 | $510,000 | $602,180 | 2 |
| 2019 | $495,500 | $581,758 | 2 |
| 2021 | $527,500 | $606,354 | 2 |
| 2022 | $530,000 | $574,032 | 1 |
| 2023 | $624,000 | $644,682 | 4 |
| 2025 | $763,888 | $763,888 | 3 |
| Record sale | $770,000 (4-Room, 2025-06) |
|---|---|
| First recorded sale | $85,600 (1990-04) |
| Busiest year | 1999 · 14 sales |
| 10-year change (real) | +29% (+2.6%/yr, 2015→2025) |
| Total transacted | $34.0M across 111 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-06 | 4-Room | 04 TO 06 | 105 | $770,000 |
| 2025-04 | 4-Room | 01 TO 03 | 84 | $575,000 |
| 2025-02 | 4-Room | 04 TO 06 | 104 | $763,888 |
| 2023-10 | 4-Room | 10 TO 12 | 84 | $560,000 |
| 2023-10 | 4-Room | 10 TO 12 | 104 | $700,000 |
| 2023-08 | 4-Room | 10 TO 12 | 84 | $540,000 |
| 2023-05 | 4-Room | 10 TO 12 | 105 | $688,000 |
| 2022-05 | 4-Room | 04 TO 06 | 84 | $530,000 |
| 2021-12 | 4-Room | 04 TO 06 | 104 | $580,000 |
| 2021-05 | 4-Room | 10 TO 12 | 84 | $475,000 |
| 2019-07 | 4-Room | 07 TO 09 | 104 | $570,000 |
| 2019-02 | 4-Room | 07 TO 09 | 84 | $421,000 |
| 2018-04 | 4-Room | 07 TO 09 | 90 | $440,000 |
| 2018-02 | 4-Room | 10 TO 12 | 104 | $580,000 |
| 2017-03 | 4-Room | 01 TO 03 | 90 | $460,000 |
| 2015-06 | 4-Room | 10 TO 12 | 84 | $500,000 |
| 2014-02 | 4-Room | 01 TO 03 | 84 | $468,000 |
| 2013-04 | 4-Room | 04 TO 06 | 84 | $518,000 |
| 2013-03 | 4-Room | 07 TO 09 | 84 | $500,000 |
| 2012-12 | 4-Room | 01 TO 03 | 84 | $468,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 322 | $990,000 | $6,781/m² |
| 2. Blk 331 | $884,000 | $7,787/m² |
| 3. Blk 246 | $836,500 | $8,256/m² |
| 4. Blk 233 | $812,000 | $7,733/m² |
| 5. Blk 329 | $810,000 | $6,639/m² |
| 6. Blk 324 | $770,000 | $7,981/m² |
| 7. Blk 328 | $770,000 | $7,726/m² |
| 8. Blk 235 | $770,000 | $7,556/m² |
| 9. Blk 325 | $769,444 | $7,560/m² |
| 10. Blk 231 | $763,888 | $7,333/m² |
| 11. Blk 334 | $750,000 | $8,190/m² |
| 12. Blk 242 | $700,000 | $7,685/m² |
| 13. Blk 323 | $691,250 | $8,229/m² |
| 14. Blk 332 | $689,000 | $8,202/m² |
| 15. Blk 333 | $689,000 | $7,905/m² |
Showing the top 15 of 24 blocks.
The median resale price over the last 24 months is $763,888 (3 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 $622,000–$695,796 (central estimate $658,898). Recent sales — median $666,702 — sit within that range.
The median monthly rent is $3,750/mo over the last 12 months (2 contracts).
The block was completed in 1984 and its 99-year lease runs from 1985.