5-Room resale prices at Blk 420 Serangoon Ctrl
Resales from Jan 2017 to Jul 2026 · single-unit sales only
What do 5-room flats at Blk 420 Serangoon Ctrl sell for?
Median price since Jan 201725th to 75th percentile · S$7,893 psm median (S$6,439 psm – S$8,230 psm) · from 8 recorded sales
8 recorded resales of 5-room flats at Blk 420 Serangoon Ctrl since Jan 2017 had a median price of S$955,000 (25th to 75th percentile S$779,166 to S$1,000,000) and a median S$7,893 psm (S$6,439 psm to S$8,230 psm). Latest recorded sale Jul 2026. Indicative, from recorded HDB resale prices.
Latest sale
S$1,030,000 · 121 sqm · S$8,512 psm · Jul 2026 · storeys 10 to 12
The latest sale, in Jul 2026, had 62 years 5 months of lease remaining, as HDB recorded it.
By year
| Year | Sales | Median price | 25th to 75th percentile | Median psm |
|---|---|---|---|---|
| 2017 | 1 | S$750,000 | one sale | S$6,198 psm |
| 2020 | 1 | S$668,000 | one sale | S$5,521 psm |
| 2021 | 1 | S$788,888 | one sale | S$6,520 psm |
| 2024 | 2 | S$1,010,000 | S$1,000,000 – S$1,020,000 | S$8,278 psm |
| 2026 | 3 | S$980,000 | S$955,000 – S$1,005,000 | S$8,099 psm |
Which storeys sold?
| Storeys | Sales |
|---|---|
| Storeys 1 to 3 | 1 |
| Storeys 4 to 6 | 2 |
| Storeys 7 to 9 | 2 |
| Storeys 10 to 12 | 3 |
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.