4-Room resale prices at Blk 421B Northshore Dr
Resales from Jan 2017 to Oct 2026 · single-unit sales only
What do 4-room flats at Blk 421B Northshore Dr sell for?
Median price since Jan 201725th to 75th percentile · S$8,602 psm median (S$8,441 psm – S$8,646 psm) · from 5 recorded sales
5 recorded resales of 4-room flats at Blk 421B Northshore Dr since Jan 2017 had a median price of S$800,000 (25th to 75th percentile S$785,000 to S$830,000) and a median S$8,602 psm (S$8,441 psm to S$8,646 psm). Latest recorded sale Oct 2026. Indicative, from recorded HDB resale prices.
Latest sale
S$730,000 · 93 sqm · S$7,849 psm · Oct 2026 · storeys 1 to 3
The latest sale, in Oct 2026, had 94 years 1 month of lease remaining, as HDB recorded it.
By year
| Year | Sales | Median price | 25th to 75th percentile | Median psm |
|---|---|---|---|---|
| 2026 | 5 | S$800,000 | S$785,000 – S$830,000 | S$8,602 psm |
Which storeys sold?
| Storeys | Sales |
|---|---|
| Storeys 1 to 3 | 1 |
| Storeys 4 to 6 | 1 |
| Storeys 10 to 12 | 1 |
| Storeys 19 to 21 | 1 |
| Storeys 22 to 24 | 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.