Blk 421 Serangoon Ctrl
Latest recorded sale 1 Apr 2026 · 39 resales recorded at Blk 421 Serangoon Ctrl since 2006.
What is a flat at Blk 421 Serangoon Ctrl worth?
Only 1 flat at Blk 421 Serangoon Ctrl sold in the last 24 months, too few for a figure of its own, so the value below comes from comparable sales on Serangoon Ctrl.
A typical 4-room flat at Blk 421 Serangoon Ctrl (105 sqm) is valued at S$851,855 to S$877,158, from 8 comparable sales on Serangoon Ctrl in the last 12 months with a similar lease left. This is an indicative estimate, not a formal valuation.
S$8,113 psm to S$8,354 psm · 8 comparable sales · See every comparable sale, or change the size and floor
How has the price at Blk 421 Serangoon Ctrl changed?
Value a unit here
Change the size or floor for an indicative range for this block, or type another address or postal code.
What flats are in Blk 421 Serangoon Ctrl?
| Type | In block | Sold | Median |
|---|---|---|---|
| 4 ROOM | 72 | 13 | S$678,000 |
| 5 ROOM | 24 | 1 | S$875,000 |
| Total | 96 | 14 |
Stock: HDB Property Information, read 2 Nov 2026. Sales and medians: homequant engine.
By flat type
- 4-Room resale prices at Blk 421 Serangoon Ctrl · 13 sales since Jan 2017
What has sold at Blk 421 Serangoon Ctrl recently?
| Date | Detail | Area | Price | Per area |
|---|---|---|---|---|
| Apr 2026 | Blk 421 · 4 ROOM · 10 TO 12 · Model A · 62 years left | 105 sqm | S$865,000 | S$8,238 psm |
| Mar 2025 | Blk 421 · 5 ROOM · 04 TO 06 · Improved · 63 years left excluded: outlier | 121 sqm | S$818,000 | S$6,760 psm |
| Oct 2023 | Blk 421 · 4 ROOM · 07 TO 09 · Model A · 65 years left | 103 sqm | S$770,000 | S$7,476 psm |
| Jul 2023 | Blk 421 · 5 ROOM · 04 TO 06 · Improved · 65 years left | 121 sqm | S$875,000 | S$7,231 psm |
| Apr 2023 | Blk 421 · 4 ROOM · 10 TO 12 · Model A · 65 years left | 113 sqm | S$730,000 | S$6,460 psm |
| Sept 2022 | Blk 421 · 4 ROOM · 04 TO 06 · Model A · 66 years left | 105 sqm | S$680,000 | S$6,476 psm |
| Sept 2022 | Blk 421 · 4 ROOM · 07 TO 09 · New Generation · 66 years left | 94 sqm | S$627,000 | S$6,670 psm |
| Feb 2022 | Blk 421 · 4 ROOM · 13 TO 15 · Model A · 66 years left | 111 sqm | S$748,000 | S$6,739 psm |
Showing 8 of 41.
Sale prices as filed in caveats.
| Period | Detail | Monthly rent | Per area |
|---|---|---|---|
| Sept 2026 | Blk 421 · 5 ROOM | S$4,300 | — |
| Sept 2026 | Blk 421 · 4 ROOM | S$3,300 | — |
| Jun 2026 | Blk 421 · 4 ROOM | S$3,400 | — |
| May 2026 | Blk 421 · 5 ROOM | S$3,950 | — |
| Apr 2026 | Blk 421 · 4 ROOM | S$1,000 | — |
| Mar 2026 | Blk 421 · 5 ROOM | S$3,800 | — |
| Sept 2025 | Blk 421 · 4 ROOM | S$3,900 | — |
| Aug 2025 | Blk 421 · 5 ROOM | S$4,300 | — |
| Jun 2025 | Blk 421 · 4 ROOM | S$3,800 | — |
| Apr 2025 | Blk 421 · 4 ROOM | S$4,188 | — |
| Mar 2025 | Blk 421 · 5 ROOM | S$3,900 | — |
| Mar 2025 | Blk 421 · 5 ROOM | S$3,800 | — |
| Nov 2024 | Blk 421 · 4 ROOM | S$3,700 | — |
| Sept 2024 | Blk 421 · 5 ROOM | S$4,000 | — |
| Sept 2024 | Blk 421 · 4 ROOM | S$2,350 | — |
| Jun 2024 | Blk 421 · 5 ROOM | S$4,500 | — |
| Jun 2024 | Blk 421 · 4 ROOM | S$3,800 | — |
| May 2024 | Blk 421 · 5 ROOM | S$3,800 | — |
| May 2024 | Blk 421 · 4 ROOM | S$3,400 | — |
| Apr 2024 | Blk 421 · 5 ROOM | S$3,800 | — |
| Apr 2024 | Blk 421 · 4 ROOM | S$1,000 | — |
| Mar 2024 | Blk 421 · 5 ROOM | S$3,800 | — |
| Sept 2023 | Blk 421 · 5 ROOM | S$4,400 | — |
| Sept 2023 | Blk 421 · 5 ROOM | S$4,300 | — |
| Aug 2023 | Blk 421 · 4 ROOM | S$3,000 | — |
| Jul 2023 | Blk 421 · 4 ROOM | S$4,000 | — |
| May 2023 | Blk 421 · 4 ROOM | S$3,800 | — |
| Apr 2023 | Blk 421 · 4 ROOM | S$4,800 | — |
| Mar 2023 | Blk 421 · 5 ROOM | S$3,800 | — |
| Mar 2023 | Blk 421 · 5 ROOM | S$3,200 | — |
| Sept 2022 | Blk 421 · 4 ROOM | S$3,550 | — |
| Sept 2022 | Blk 421 · 4 ROOM | S$2,350 | — |
| Jun 2022 | Blk 421 · 4 ROOM | S$3,400 | — |
| Apr 2022 | Blk 421 · 5 ROOM | S$2,900 | — |
| Mar 2022 | Blk 421 · 5 ROOM | S$2,800 | — |
| Oct 2021 | Blk 421 · 5 ROOM | S$3,000 | — |
| Oct 2021 | Blk 421 · 4 ROOM | S$2,800 | — |
| Oct 2021 | Blk 421 · 4 ROOM | S$2,400 | — |
| Sept 2021 | Blk 421 · 5 ROOM | S$2,600 | — |
| Aug 2021 | Blk 421 · 4 ROOM | S$2,550 | — |
| Jul 2021 | Blk 421 · 4 ROOM | S$2,400 | — |
| Jul 2021 | Blk 421 · 4 ROOM | S$1,800 | — |
| Jun 2021 | Blk 421 · 4 ROOM | S$2,600 | — |
| Apr 2021 | Blk 421 · 5 ROOM | S$2,800 | — |
Rents as approved by HDB, or as filed with URA for private homes, where the floor area is given as a band.
Buying or selling here?
Buying: Stamp duty · Cash and CPF needed · How much can I borrow · Monthly repayment.
Selling: Net proceeds from selling.
Nearby blocks
- Blk 420 Serangoon Ctrl · 36 m · 18 sales
- Blk 423 Serangoon Ctrl · 57 m · 12 sales
- Blk 419 Serangoon Ctrl · 81 m · 21 sales
- Blk 422 Serangoon Ctrl · 86 m · 16 sales
- Blk 424 Serangoon Ctrl · 88 m · 24 sales
Serangoon Ctrl — full project history · 4-Room resale prices in Serangoon · Completed in 1988