Blk 421 Serangoon Ctrl
1 sale in the last 12 months · ~1% of 96 units
1
10 recorded since Jul 2021
$865K
4 Room · 1 sale · last 12 months
$765
4 Room · 1 sale · last 12 months
$865K – $865K
4 Room · 1 sale · last 12 months
$865,000
Apr 2026 · 4 Room · #10-12
Can you use CPF for this flat?
62 years left on the 99, from 1989.
CPF you can use
the lease covers you to 95, so the only limit is your balance
$150,000
Maximum bank loan
75% of the price, over 25 years
$648,750
Cash you need
at least $43,250 of any purchase must be cash
$66,250
Monthly instalment
25 years at 3.5%
$3,248
Indicative. Excludes stamp duty, legal fees and CPF accrued interest. Confirm with HDB and your banker. Rules as at 2026-09-17.
Market Insights
Supply
1 unit
1 agent listing
Asking vs sold
-2.9%
$840K ask · $865K sold
4 Room · 1 sold, 1 asking
Price trend
0%
6 months, 1 sale
12 months: +5.7% (1)
Turnover
1%
1 of 96 units, 12 months
Resale Price Trend
One flat type at a time, so a single larger sale cannot look like a price jump
Median price per month, 4 Room only, 8 sales
Recent Resale Transactions
10 recorded · 1 in the last 12 months • Page 1 of 1
| Date | Flat Type | Storey | Area | Price | PSF |
|---|---|---|---|---|---|
| 2026-04 | 4 ROOM | 10 TO 12 | 1,130 sqft | $865,000 | $765 |
| 2025-03 | 5 ROOM | 04 TO 06 | 1,302 sqft | $818,000 | $628 |
| 2023-10 | 4 ROOM | 07 TO 09 | 1,109 sqft | $770,000 | $695 |
| 2023-07 | 5 ROOM | 04 TO 06 | 1,302 sqft | $875,000 | $672 |
| 2023-04 | 4 ROOM | 10 TO 12 | 1,216 sqft | $730,000 | $600 |
| 2022-09 | 4 ROOM | 07 TO 09 | 1,012 sqft | $627,000 | $620 |
| 2022-09 | 4 ROOM | 04 TO 06 | 1,130 sqft | $680,000 | $602 |
| 2022-02 | 4 ROOM | 13 TO 15 | 1,195 sqft | $748,000 | $626 |
| 2021-09 | 4 ROOM | 07 TO 09 | 1,109 sqft | $678,000 | $612 |
| 2021-07 | 4 ROOM | 10 TO 12 | 1,130 sqft | $640,000 | $566 |
For Sale
1 unit available · 1 agent listing
4 Room · 1,130 sqft
1 agent
$840,000
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Median price by flat type
Last 12 months where there were sales, otherwise everything recorded
4 Room
1 sale, 12 months · 72 units
5 Room
none in 12 months · 2 recorded · 24 units
Data sourced from data.gov.sg HDB Resale Flat Prices. Updated regularly.