4-Room resale prices at Blk 421 Clementi Ave 1
Resales from Jan 2017 to Sep 2026 · single-unit sales only
What do 4-room flats at Blk 421 Clementi Ave 1 sell for?
Median price since Jan 201725th to 75th percentile · S$8,142 psm median (S$7,461 psm – S$9,350 psm) · from 79 recorded sales
79 recorded resales of 4-room flats at Blk 421 Clementi Ave 1 since Jan 2017 had a median price of S$760,000 (25th to 75th percentile S$715,000 to S$855,944) and a median S$8,142 psm (S$7,461 psm to S$9,350 psm). Latest recorded sale Sep 2026. Indicative, from recorded HDB resale prices.
Latest sale
S$996,888 · 96 sqm · S$10,384 psm · Sep 2026 · storeys 22 to 24
The latest sale, in Sep 2026, had 86 years of lease remaining, as HDB recorded it.
By year
| Year | Sales | Median price | 25th to 75th percentile | Median psm |
|---|---|---|---|---|
| 2017 | 7 | S$720,000 | S$697,000 – S$725,000 | S$7,391 psm |
| 2018 | 14 | S$710,000 | S$671,250 – S$736,250 | S$7,474 psm |
| 2019 | 8 | S$687,500 | S$647,500 – S$707,500 | S$7,200 psm |
| 2020 | 9 | S$735,000 | S$715,000 – S$742,000 | S$7,656 psm |
| 2021 | 4 | S$775,000 | S$757,500 – S$799,722 | S$8,251 psm |
| 2022 | 7 | S$828,000 | S$789,444 – S$840,000 | S$8,400 psm |
| 2023 | 9 | S$822,888 | S$808,000 – S$845,000 | S$8,417 psm |
| 2024 | 6 | S$901,500 | S$864,666 – S$930,666 | S$9,506 psm |
| 2025 | 9 | S$952,488 | S$922,000 – S$965,000 | S$9,700 psm |
| 2026 | 6 | S$980,444 | S$971,472 – S$993,916 | S$10,182 psm |
Which storeys sold?
| Storeys | Sales |
|---|---|
| Storeys 1 to 3 | 3 |
| Storeys 4 to 6 | 9 |
| Storeys 7 to 9 | 7 |
| Storeys 10 to 12 | 8 |
| Storeys 13 to 15 | 3 |
| Storeys 16 to 18 | 8 |
| Storeys 19 to 21 | 5 |
| Storeys 22 to 24 | 12 |
| Storeys 25 to 27 | 5 |
| Storeys 28 to 30 | 2 |
| Storeys 31 to 33 | 4 |
| Storeys 34 to 36 | 6 |
| Storeys 37 to 39 | 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.