5-Room resale prices at Blk 231 Hougang St 21
Resales from Jan 2017 to Sep 2026 · single-unit sales only
What do 5-room flats at Blk 231 Hougang St 21 sell for?
Median price since Jan 201725th to 75th percentile · S$6,056 psm median (S$5,289 psm – S$7,024 psm) · from 23 recorded sales
23 recorded resales of 5-room flats at Blk 231 Hougang St 21 since Jan 2017 had a median price of S$860,000 (25th to 75th percentile S$751,000 to S$989,444) and a median S$6,056 psm (S$5,289 psm to S$7,024 psm). Latest recorded sale Sep 2026. Indicative, from recorded HDB resale prices.
Latest sale
S$988,888 · 140 sqm · S$7,063 psm · Sep 2026 · storeys 4 to 6
The latest sale, in Sep 2026, had 57 years 1 month of lease remaining, as HDB recorded it.
By year
| Year | Sales | Median price | 25th to 75th percentile | Median psm |
|---|---|---|---|---|
| 2017 | 1 | S$720,000 | one sale | S$5,143 psm |
| 2018 | 2 | S$778,400 | S$759,200 – S$797,600 | S$5,482 psm |
| 2019 | 5 | S$750,000 | S$710,000 – S$750,000 | S$5,282 psm |
| 2022 | 4 | S$814,000 | S$807,500 – S$828,500 | S$5,697 psm |
| 2023 | 1 | S$958,000 | one sale | S$6,843 psm |
| 2024 | 4 | S$945,844 | S$900,000 – S$1,031,266 | S$6,706 psm |
| 2025 | 3 | S$1,028,000 | S$1,009,000 – S$1,049,444 | S$7,239 psm |
| 2026 | 3 | S$988,888 | S$984,444 – S$1,014,444 | S$7,063 psm |
Which storeys sold?
| Storeys | Sales |
|---|---|
| Storeys 1 to 3 | 5 |
| Storeys 4 to 6 | 7 |
| Storeys 7 to 9 | 4 |
| Storeys 10 to 12 | 7 |
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.