HDB block
Blk 421 Serangoon Ctrl
Serangoon15 storeys4 ROOM5 ROOM
2 flats sold here in the last 24 months at a median of $841,500 across 4 ROOM, 5 ROOM. The latest was a 4-room flat on floors 10–12 for $865,000 (Apr 2026). 93 recorded resales since 1993.
Median price · 24 mo
$841,500
Median PSF · 24 mo
$697
Sales · 24 mo
2
Latest sale
Apr 2026
By flat type
What's sold at this block
| Flat type | Sales · 24 mo | Median price · 24 mo | Median PSF · 24 mo | All-time sales |
|---|---|---|---|---|
| 4 ROOM | 1 | $865,000 | $765 | 68 |
| 5 ROOM | 1 | $818,000 | $628 | 25 |
Yearly history
Median PSF by year
Volume by year
Transactions per year
- 1212.9%
- 1010.8%
- 55.4%
- 55.4%
- 44.3%
- 44.3%
- 44.3%
- 33.2%
- 33.2%
- 33.2%
- 33.2%
- 33.2%
- 33.2%
- 22.2%
- 22.2%
- 22.2%
- 22.2%
- 22.2%
- 22.2%
- 22.2%
- 22.2%
- 22.2%
- 22.2%
- 22.2%
- 11.1%
- 11.1%
- 11.1%
- 11.1%
- 11.1%
- 11.1%
- 11.1%
- 11.1%
- 11.1%
Recent transactions
30 most recent records
| Date | Type | Floor | Area | Price | PSF |
|---|---|---|---|---|---|
| Apr 2026 | HDB 4 Room | 10-12 | 105 sqm | $865,000 | $765 |
| Mar 2025 | HDB 5 Room | 4-6 | 121 sqm | $818,000 | $628 |
| Oct 2023 | HDB 4 Room | 7-9 | 103 sqm | $770,000 | $695 |
| Jul 2023 | HDB 5 Room | 4-6 | 121 sqm | $875,000 | $672 |
| Apr 2023 | HDB 4 Room | 10-12 | 113 sqm | $730,000 | $600 |
| Sep 2022 | HDB 4 Room | 7-9 | 94 sqm | $627,000 | $620 |
| Sep 2022 | HDB 4 Room | 4-6 | 105 sqm | $680,000 | $602 |
| Feb 2022 | HDB 4 Room | 13-15 | 111 sqm | $748,000 | $626 |
| Sep 2021 | HDB 4 Room | 7-9 | 103 sqm | $678,000 | $612 |
| Jul 2021 | HDB 4 Room | 10-12 | 105 sqm | $640,000 | $566 |
| Jul 2020 | HDB 4 Room | 4-6 | 111 sqm | $660,000 | $552 |
| Jun 2020 | HDB 4 Room | 10-12 | 103 sqm | $520,000 | $469 |
| Jun 2019 | HDB 4 Room | 7-9 | 105 sqm | $635,000 | $562 |
| Jan 2019 | HDB 4 Room | 10-12 | 105 sqm | $635,000 | $562 |
| Nov 2018 | HDB 4 Room | 4-6 | 103 sqm | $628,000 | $566 |
| Nov 2017 | HDB 4 Room | 10-12 | 113 sqm | $700,000 | $576 |
| Apr 2016 | HDB 4 Room | 7-9 | 103 sqm | $608,000 | $548 |
| Sep 2015 | HDB 5 Room | 7-9 | 121 sqm | $730,000 | $560 |
| Jan 2015 | HDB 4 Room | 4-6 | 111 sqm | $525,000 | $439 |
| Oct 2014 | HDB 5 Room | 10-12 | 121 sqm | $738,000 | $567 |
| Aug 2014 | HDB 4 Room | 1-3 | 105 sqm | $528,000 | $467 |
| Jan 2014 | HDB 4 Room | 4-6 | 111 sqm | $575,000 | $481 |
| Nov 2013 | HDB 5 Room | 10-12 | 121 sqm | $723,000 | $555 |
| Oct 2013 | HDB 4 Room | 4-6 | 105 sqm | $575,000 | $509 |
| Jul 2012 | HDB 4 Room | 4-6 | 103 sqm | $552,000 | $498 |
| Jan 2012 | HDB 5 Room | 1-3 | 121 sqm | $638,000 | $490 |
| Dec 2011 | HDB 4 Room | 13-15 | 111 sqm | $575,000 | $481 |
| Jun 2011 | HDB 4 Room | 13-15 | 113 sqm | $550,000 | $452 |
| May 2010 | HDB 4 Room | 7-9 | 105 sqm | $448,000 | $396 |
| Feb 2010 | HDB 4 Room | 10-12 | 113 sqm | $468,000 | $385 |
Same street
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