4-Room resale prices at Blk 21 Hougang Ave 3
Resales from Jan 2017 to Sep 2025 · single-unit sales only
What do 4-room flats at Blk 21 Hougang Ave 3 sell for?
Median price since Jan 201725th to 75th percentile · S$4,545 psm median (S$3,883 psm – S$5,143 psm) · from 6 recorded sales
6 recorded resales of 4-room flats at Blk 21 Hougang Ave 3 since Jan 2017 had a median price of S$445,444 (25th to 75th percentile S$380,550 to S$503,972) and a median S$4,545 psm (S$3,883 psm to S$5,143 psm). Latest recorded sale Sep 2025. Indicative, from recorded HDB resale prices.
Latest sale
S$505,000 · 98 sqm · S$5,153 psm · Sep 2025 · storeys 1 to 3
The latest sale, in Sep 2025, had 51 years 9 months of lease remaining, as HDB recorded it.
By year
| Year | Sales | Median price | 25th to 75th percentile | Median psm |
|---|---|---|---|---|
| 2017 | 2 | S$383,700 | S$380,550 – S$386,850 | S$3,915 psm |
| 2019 | 1 | S$330,000 | one sale | S$3,367 psm |
| 2025 | 3 | S$505,000 | S$502,944 – S$512,000 | S$5,153 psm |
Which storeys sold?
| Storeys | Sales |
|---|---|
| Storeys 1 to 3 | 2 |
| Storeys 4 to 6 | 2 |
| Storeys 10 to 12 | 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.