Blk 231 Bishan St 23 is an HDB block in Bishan (completed in 1990, 19 storeys, 94 units). As of Jul 2026, its median resale price over the last 24 months is $1,172,500, about 49% above the Bishan median, from 4 sales. 131 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Bishan |
|---|---|
| Completed | 1990 |
| Lease from | 1992 |
| Storeys | 19 |
| Dwelling units | 94 |
| Unit mix (sold) | exec ×94 |
| Recorded resales | 131 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| Executive | $1,172,500 | $8,031/m² | 4 |
Median monthly rent at this block: $5,000/mo (1 rental contracts, last 12 months).
Estimated gross rental yield: ~5.1% (Bishan average: ~5.4%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 54% of Bishan blocks with recent sales.
For a typical executive flat here, our price model estimates $1,079,336–$1,207,393 (central estimate $1,143,365). Recent sales — median $1,154,143 — 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 |
|---|---|---|---|
| 1995 | $587,500 | $969,428 | 12 |
| 1996 | $655,000 | $1,066,095 | 15 |
| 1997 | $665,000 | $1,060,911 | 3 |
| 1998 | $553,500 | $885,437 | 2 |
| 1999 | $538,000 | $860,437 | 7 |
| 2000 | $580,000 | $915,263 | 2 |
| 2001 | $542,500 | $847,498 | 6 |
| 2002 | $530,750 | $832,402 | 4 |
| 2003 | $485,000 | $756,956 | 3 |
| 2004 | $453,000 | $695,385 | 7 |
| 2005 | $411,500 | $628,705 | 2 |
| 2006 | $462,000 | $699,107 | 3 |
| 2007 | $517,000 | $766,168 | 3 |
| 2008 | $625,500 | $869,278 | 6 |
| 2009 | $601,500 | $831,037 | 2 |
| 2010 | $680,500 | $914,320 | 6 |
| 2011 | $725,000 | $925,505 | 6 |
| 2012 | $852,500 | $1,040,596 | 2 |
| 2013 | $847,500 | $1,010,604 | 4 |
| 2014 | $838,888 | $990,096 | 5 |
| 2015 | $920,000 | $1,091,536 | 3 |
| 2016 | $900,000 | $1,073,487 | 3 |
| 2017 | $918,000 | $1,088,677 | 3 |
| 2018 | $875,000 | $1,033,153 | 3 |
| 2019 | $925,000 | $1,086,026 | 3 |
| 2020 | $942,500 | $1,108,482 | 2 |
| 2021 | $972,500 | $1,117,875 | 4 |
| 2022 | $954,000 | $1,033,258 | 3 |
| 2023 | $1,123,000 | $1,160,220 | 1 |
| 2024 | $1,218,000 | $1,228,999 | 2 |
| 2025 | $1,212,500 | $1,212,500 | 2 |
| 2026 | $1,087,500 | $1,087,500 | 2 |
| Record sale | $1,320,000 (Executive, 2025-08) |
|---|---|
| First recorded sale | $570,000 (1995-04) |
| Busiest year | 1996 · 15 sales |
| 10-year change (real) | +1% (+0.1%/yr, 2016→2026) |
| Total transacted | $92.0M across 131 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-05 | Executive | 07 TO 09 | 146 | $1,240,000 |
| 2026-03 | Executive | 01 TO 03 | 146 | $935,000 |
| 2025-09 | Executive | 01 TO 03 | 146 | $1,105,000 |
| 2025-08 | Executive | 13 TO 15 | 146 | $1,320,000 |
| 2024-07 | Executive | 13 TO 15 | 146 | $1,236,000 |
| 2024-01 | Executive | 07 TO 09 | 146 | $1,200,000 |
| 2023-05 | Executive | 04 TO 06 | 146 | $1,123,000 |
| 2022-08 | Executive | 04 TO 06 | 146 | $950,000 |
| 2022-08 | Executive | 04 TO 06 | 146 | $1,060,000 |
| 2022-06 | Executive | 01 TO 03 | 148 | $954,000 |
| 2021-12 | Executive | 04 TO 06 | 146 | $1,060,000 |
| 2021-10 | Executive | 07 TO 09 | 154 | $980,000 |
| 2021-06 | Executive | 10 TO 12 | 146 | $965,000 |
| 2021-03 | Executive | 10 TO 12 | 146 | $960,000 |
| 2020-12 | Executive | 04 TO 06 | 146 | $910,000 |
| 2020-06 | Executive | 04 TO 06 | 146 | $975,000 |
| 2019-06 | Executive | 01 TO 03 | 148 | $840,000 |
| 2019-04 | Executive | 10 TO 12 | 146 | $925,000 |
| 2019-01 | Executive | 10 TO 12 | 148 | $930,000 |
| 2018-09 | Executive | 01 TO 03 | 146 | $875,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 222 | $1,270,000 | $8,247/m² |
| 2. Blk 201 | $1,230,000 | $8,202/m² |
| 3. Blk 208 | $1,215,000 | $8,322/m² |
| 4. Blk 212 | $1,200,000 | $8,054/m² |
| 5. Blk 231 | $1,172,500 | $8,031/m² |
| 6. Blk 223 | $1,138,000 | $9,405/m² |
| 7. Blk 207 | $981,500 | $8,286/m² |
| 8. Blk 204 | $927,500 | $7,826/m² |
| 9. Blk 216 | $915,000 | $7,981/m² |
| 10. Blk 224 | $890,000 | $8,725/m² |
| 11. Blk 214 | $880,000 | $7,039/m² |
| 12. Blk 228 | $880,000 | $7,876/m² |
| 13. Blk 205 | $875,000 | $7,479/m² |
| 14. Blk 209 | $867,444 | $7,510/m² |
| 15. Blk 221 | $863,000 | $7,603/m² |
Showing the top 15 of 26 blocks.
The median resale price over the last 24 months is $1,172,500 (4 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical executive flat here, our price model estimates $1,079,336–$1,207,393 (central estimate $1,143,365). Recent sales — median $1,154,143 — sit within that range.
The median monthly rent is $5,000/mo over the last 12 months (1 contracts).
The block was completed in 1990 and its 99-year lease runs from 1992.