Block 231 Hougang Street 21
Block 231 Hougang Street 21 has 29 recorded HDB resale transactions since 2017. Latest sale: $980,000 (Jan 2026, 5 room, floors 04–06). Median $5,688/sqm. Built 1984, 57 years lease remaining.
How this block compares
- 5 Room$1,004,000+30.4%vs town(+$234k)+35.7%vs national(+$264k)
Median of resales in the 12 months to Jul 2026, compared with town and Singapore medians on the same basis. Flat types with fewer than two sales in the window are omitted.
What this block rents for, and the gross rental yield (annual rent ÷ resale price). This block has too few rentals on record, so figures shown are the Hougang average.
| Flat type | Median rent /mo | Gross yield | Based on |
|---|---|---|---|
| 4-Room | $3,200 typically $3,000–$3,450 | 6.2% | Hougang avg · block too thin |
| 5-Room | $3,475 typically $3,200–$3,600 | 5.4% | Hougang avg · block too thin |
This block is inside the 1 km Primary 1 priority zone for 2 popular schools. When a school is oversubscribed, MOE ballots by home–school distance, and homes within 1 km are drawn first.
- This home
- School within 1 km
- School 1–2 km
- 1km ring, top priority
- 2km ring, next tier
Straight-line distances, the basis MOE uses for Home–School Distance priority. Tap a school to open it. Map © OneMap, SLA.
Other HDB blocks closest to Block 231 Hougang Street 21 in Hougang, with their median resale price. Useful for comparing what a flat here costs against its immediate neighbours.
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| Jan 2026 | 04 TO 06 | 5 ROOM | 142 sqm | $980,000 | $6,901 |
| Sep 2025 | 10 TO 12 | 5 ROOM | 142 sqm | $1,028,000 | $7,239 |
| May 2025 | 01 TO 03 | 5 ROOM | 140 sqm | $990,000 | $7,071 |
| Feb 2025 | 07 TO 09 | 5 ROOM | 140 sqm | $1,070,888 | $7,649 |
| Aug 2024 | 10 TO 12 | 5 ROOM | 142 sqm | $1,150,000 | $8,099 |
| Jun 2024 | 10 TO 12 | 5 ROOM | 142 sqm | $1,088,000 | $7,662 |
| Apr 2024 | 04 TO 06 | 5 ROOM | 140 sqm | $900,000 | $6,429 |
| Apr 2024 | 04 TO 06 | 5 ROOM | 142 sqm | $991,688 | $6,984 |
| Mar 2024 | 01 TO 03 | 5 ROOM | 142 sqm | $900,000 | $6,338 |
| Feb 2024 | 10 TO 12 | 4 ROOM | 103 sqm | $585,000 | $5,680 |
| Nov 2023 | 10 TO 12 | 4 ROOM | 109 sqm | $600,000 | $5,505 |
| Nov 2023 | 07 TO 09 | 4 ROOM | 109 sqm | $615,000 | $5,642 |
| Oct 2023 | 13 TO 15 | 4 ROOM | 109 sqm | $620,000 | $5,688 |
| Aug 2023 | 01 TO 03 | 4 ROOM | 103 sqm | $518,000 | $5,029 |
| Feb 2023 | 07 TO 09 | 5 ROOM | 140 sqm | $958,000 | $6,843 |
| Nov 2022 | 01 TO 03 | 5 ROOM | 142 sqm | $860,000 | $6,056 |
| Oct 2022 | 04 TO 06 | 5 ROOM | 142 sqm | $818,000 | $5,761 |
| Sep 2022 | 04 TO 06 | 5 ROOM | 142 sqm | $800,000 | $5,634 |
| Sep 2022 | 04 TO 06 | 5 ROOM | 152 sqm | $810,000 | $5,329 |
| Mar 2021 | 07 TO 09 | 4 ROOM | 109 sqm | $535,000 | $4,908 |
About Block 231 Hougang Street 21
Block 231 Hougang Street 21 is a million-dollar HDB block: a flat here has sold for as much as $1,150,000 (Aug 2024), among the rare blocks in Hougang to cross that mark. Its median runs about 66% above the Hougang median, ahead of around 95% of the town's blocks. It has a regular flow of resale activity, with 29 transactions since 2017 across 4 room, 5 room flats priced from $518,000 to $1,150,000. The most recent transaction was a 5 room flat on storeys 04 TO 06 at $980,000 in Jan 2026, and the median works out to $5,688/sqm. Under Bala's Table (the SLA leasehold valuation model), its leasehold relativity ratio is 0.8629, an annual lease decay of about 0.56%. All transaction data is sourced from data.gov.sg and updated monthly.
Frequently Asked Questions
How much is an HDB flat at Block 231 Hougang Street 21 worth?
The most recent resale transaction at Block 231 Hougang Street 21 was $980,000 for a 5 room flat in 2026-01. The median price per square metre across all flat types is $5,688, based on 29 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 231 Hougang Street 21?
Block 231 Hougang Street 21 was built in 1984 and has approximately 57 years and 9 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.56%, meaning the leasehold value decreases by approximately 0.56% per year at the current remaining lease.
What flat types are available at Block 231 Hougang Street 21?
Block 231 Hougang Street 21 in Hougang contains 4 room, 5 room flats. Resale prices range from $518,000 to $1,150,000 based on historical transaction records from data.gov.sg.