4-Room resale prices at Blk 421 Jurong West St 42
Resales from Jan 2017 to Jan 2026 · single-unit sales only
What do 4-room flats at Blk 421 Jurong West St 42 sell for?
Median price since Jan 201725th to 75th percentile · S$4,831 psm median (S$3,899 psm – S$5,137 psm) · from 7 recorded sales
7 recorded resales of 4-room flats at Blk 421 Jurong West St 42 since Jan 2017 had a median price of S$425,000 (25th to 75th percentile S$327,500 to S$434,000) and a median S$4,831 psm (S$3,899 psm to S$5,137 psm). Latest recorded sale Jan 2026. Indicative, from recorded HDB resale prices.
Latest sale
S$450,000 · 84 sqm · S$5,357 psm · Jan 2026 · storeys 1 to 3
The latest sale, in Jan 2026, had 58 years 7 months of lease remaining, as HDB recorded it.
By year
| Year | Sales | Median price | 25th to 75th percentile | Median psm |
|---|---|---|---|---|
| 2017 | 1 | S$340,000 | one sale | S$4,048 psm |
| 2020 | 2 | S$315,000 | S$315,000 – S$315,000 | S$3,750 psm |
| 2022 | 1 | S$430,000 | one sale | S$4,831 psm |
| 2023 | 2 | S$431,500 | S$428,250 – S$434,750 | S$5,137 psm |
| 2026 | 1 | S$450,000 | one sale | S$5,357 psm |
Which storeys sold?
| Storeys | Sales |
|---|---|
| Storeys 1 to 3 | 5 |
| Storeys 7 to 9 | 1 |
| Storeys 10 to 12 | 1 |
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.