4-Room resale prices at Blk 221 Bishan St 23
Resales from Jan 2017 to Aug 2025 · single-unit sales only
What do 4-room flats at Blk 221 Bishan St 23 sell for?
Median price since Jan 201725th to 75th percentile · S$6,833 psm median (S$6,122 psm – S$7,494 psm) · from 11 recorded sales
11 recorded resales of 4-room flats at Blk 221 Bishan St 23 since Jan 2017 had a median price of S$738,000 (25th to 75th percentile S$642,500 to S$833,000) and a median S$6,833 psm (S$6,122 psm to S$7,494 psm). Latest recorded sale Aug 2025. Indicative, from recorded HDB resale prices.
Latest sale
S$828,000 · 113 sqm · S$7,327 psm · Aug 2025 · storeys 4 to 6
The latest sale, in Aug 2025, had 65 years 11 months of lease remaining, as HDB recorded it.
By year
| Year | Sales | Median price | 25th to 75th percentile | Median psm |
|---|---|---|---|---|
| 2018 | 1 | S$598,000 | one sale | S$5,863 psm |
| 2019 | 1 | S$610,000 | one sale | S$5,980 psm |
| 2021 | 2 | S$676,500 | S$655,750 – S$697,250 | S$6,262 psm |
| 2022 | 1 | S$650,000 | one sale | S$6,019 psm |
| 2023 | 2 | S$759,000 | S$748,500 – S$769,500 | S$7,203 psm |
| 2024 | 1 | S$888,000 | one sale | S$7,789 psm |
| 2025 | 3 | S$838,000 | S$833,000 – S$869,000 | S$7,416 psm |
Which storeys sold?
| Storeys | Sales |
|---|---|
| Storeys 1 to 3 | 3 |
| Storeys 4 to 6 | 2 |
| Storeys 7 to 9 | 1 |
| Storeys 10 to 12 | 1 |
| Storeys 13 to 15 | 2 |
| Storeys 16 to 18 | 2 |
How this is worked out
Every figure is HDB resales of this flat type in this block with a contract date since Jan 2017, leaving out sales flagged at ingest as unrepresentative (such as related-party transfers and statistical outliers). A page is published only with at least 5 such sales. Storeys are the ranges HDB records, not exact floors.