HDB · Serangoon
Blk 421 Serangoon Ctrl resale prices
2 flats in this block resold in the last 24 months. The median price was S$842,000 (S$697 psf).
Official sales to Oct 2026
- Resales, last 24 months
- 2
- Median price
- S$842,000
- Median $ psf
- S$697 psf
- Lease left (approx.)
- 61 years 8 months
- Lease began 1989
Few recent sales here, so these figures move a lot from one sale to the next.
By flat type, last 24 months
Town median: all resales of that flat type in the town over the last 12 months.
| Flat type | Sales | Median price | Median $ psf | Town median $ psf | Sizes |
|---|---|---|---|---|---|
| 4-room | 1 | S$865,000 | S$765 psf | S$633 psf | 105 sqm (1,130 sqft) |
| 5-room | 1 | S$818,000 | S$628 psf | S$638 psf | 121 sqm (1,302 sqft) |
Resales since Nov 2022
5 resales, newest first.
| Month | Flat type | Storey | Size | Price | $ psf |
|---|---|---|---|---|---|
| Apr 2026 | 4-room | Storey 10–12 | 105 sqm (1,130 sqft) | S$865,000 | S$765 psf |
| Mar 2025 | 5-room | Storey 4–6 | 121 sqm (1,302 sqft) | S$818,000 | S$628 psf |
| Oct 2023 | 4-room | Storey 7–9 | 103 sqm (1,109 sqft) | S$770,000 | S$695 psf |
| Jul 2023 | 5-room | Storey 4–6 | 121 sqm (1,302 sqft) | S$875,000 | S$672 psf |
| Apr 2023 | 4-room | Storey 10–12 | 113 sqm (1,216 sqft) | S$730,000 | S$600 psf |
Nearby blocks
- Blk 420 Serangoon Ctrl40 m away · 8 in 24 months
- Blk 423 Serangoon Ctrl60 m away · 0 in 24 months
- Blk 419 Serangoon Ctrl80 m away · 3 in 24 months
- Blk 422 Serangoon Ctrl90 m away · 7 in 24 months
- Blk 424 Serangoon Ctrl90 m away · 6 in 24 months
- Blk 414 Serangoon Ctrl90 m away · 1 in 24 months
Source
Figures are calculated by SG Home Price Checker from HDB resale records. They describe past sales, not the price of any one home. Data to Oct 2026. Sales from Nov 2022 onwards are included. Median prices are rounded to the nearest S$1,000.
Contains information from the “Resale flat prices” dataset accessed on 24 Oct 2026 from data.gov.sg, which is made available under the terms of the Singapore Open Data Licence version 1.0. Read the licence
SG Home Price Checker is independent. It is not affiliated with, and is not endorsed by, HDB, URA, SLA or any other Singapore Government agency.
How we calculate this