4-Room resale prices at Blk 221 Serangoon Ave 4
Resales from Jan 2017 to Nov 2025 · single-unit sales only
What do 4-room flats at Blk 221 Serangoon Ave 4 sell for?
Median price since Jan 201725th to 75th percentile · S$4,821 psm median (S$4,602 psm – S$5,433 psm) · from 18 recorded sales
18 recorded resales of 4-room flats at Blk 221 Serangoon Ave 4 since Jan 2017 had a median price of S$460,000 (25th to 75th percentile S$426,750 to S$510,666) and a median S$4,821 psm (S$4,602 psm to S$5,433 psm). Latest recorded sale Nov 2025. Indicative, from recorded HDB resale prices.
Latest sale
S$593,888 · 92 sqm · S$6,455 psm · Nov 2025 · storeys 7 to 9
The latest sale, in Nov 2025, had 58 years 2 months of lease remaining, as HDB recorded it.
By year
| Year | Sales | Median price | 25th to 75th percentile | Median psm |
|---|---|---|---|---|
| 2017 | 4 | S$450,000 | S$432,222 – S$463,750 | S$4,814 psm |
| 2018 | 2 | S$470,000 | S$465,000 – S$475,000 | S$5,000 psm |
| 2019 | 4 | S$418,500 | S$404,722 – S$433,972 | S$4,452 psm |
| 2021 | 2 | S$414,750 | S$409,625 – S$419,875 | S$4,417 psm |
| 2022 | 3 | S$520,888 | S$495,444 – S$555,444 | S$5,541 psm |
| 2023 | 1 | S$579,000 | one sale | S$6,293 psm |
| 2024 | 1 | S$620,000 | one sale | S$6,263 psm |
| 2025 | 1 | S$593,888 | one sale | S$6,455 psm |
Which storeys sold?
| Storeys | Sales |
|---|---|
| Storeys 1 to 3 | 2 |
| Storeys 4 to 6 | 7 |
| Storeys 7 to 9 | 7 |
| 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.