homequant
HDB · Clementi · Blk 420 Clementi Ave 1

4-Room resale prices at Blk 420 Clementi Ave 1

Resales from Jan 2017 to Aug 2026 · single-unit sales only

What do 4-room flats at Blk 420 Clementi Ave 1 sell for?

Median price since Jan 2017
S$746,500S$707,500 – S$898,750

25th to 75th percentile · S$7,875 psm median (S$7,357 psm – S$9,384 psm) · from 56 recorded sales

56 recorded resales of 4-room flats at Blk 420 Clementi Ave 1 since Jan 2017 had a median price of S$746,500 (25th to 75th percentile S$707,500 to S$898,750) and a median S$7,875 psm (S$7,357 psm to S$9,384 psm). Latest recorded sale Aug 2026. Indicative, from recorded HDB resale prices.

Latest sale

S$928,000 · 96 sqm · S$9,667 psm · Aug 2026 · storeys 7 to 9

The latest sale, in Aug 2026, had 86 years 2 months of lease remaining, as HDB recorded it.

By year

YearSalesMedian price25th to 75th percentileMedian psm
201712S$710,000S$677,500 – S$721,222S$7,432 psm
20187S$710,000S$665,000 – S$712,500S$7,391 psm
20197S$680,000S$666,944 – S$701,000S$7,186 psm
20203S$718,000S$671,500 – S$733,000S$7,180 psm
20213S$782,000S$766,444 – S$791,000S$8,252 psm
20222S$806,500S$795,750 – S$817,250S$8,238 psm
20236S$841,000S$793,500 – S$851,750S$8,662 psm
20246S$912,500S$910,000 – S$960,000S$9,973 psm
20256S$943,444S$920,750 – S$972,222S$9,666 psm
20264S$931,500S$927,750 – S$946,250S$9,908 psm

Which storeys sold?

StoreysSales
Storeys 4 to 611
Storeys 7 to 95
Storeys 10 to 126
Storeys 13 to 151
Storeys 16 to 184
Storeys 19 to 213
Storeys 22 to 247
Storeys 25 to 274
Storeys 28 to 306
Storeys 31 to 334
Storeys 34 to 361
Storeys 37 to 394

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.