Block 420 Serangoon Central
Block 420 Serangoon Central has 16 recorded HDB resale transactions since 2017. Latest sale: $930,000 (Jul 2026, 5 room, floors 01–03). Median $7,605/sqm. Prices up 33% over the past five years. Built 1989, 62 years lease remaining.
How this block compares
- 5 Room$955,000+13.8%vs town(+$116k)+29.1%vs national(+$215k)
Median of resales in the 12 months to Jul 2026, compared with town and Singapore medians on the same basis. Flat types with fewer than two sales in the window are omitted.
What this block rents for, and the gross rental yield (annual rent ÷ resale price). Figures are from rentals at this block where available.
| Flat type | Median rent /mo | Gross yield | Based on |
|---|---|---|---|
| 4-Room | $3,400 typically $3,200–$3,900 | 4.8% | 5 rentals here |
| 5-Room | $3,600 typically $3,400–$3,900 | 5.2% | Serangoon avg · block too thin |
This block is inside the 1 km Primary 1 priority zone for 2 popular schools. When a school is oversubscribed, MOE ballots by home–school distance, and homes within 1 km are drawn first.
- This home
- School within 1 km
- School 1–2 km
- 1km ring, top priority
- 2km ring, next tier
Straight-line distances, the basis MOE uses for Home–School Distance priority. Tap a school to open it. Map © OneMap, SLA.
Other HDB blocks closest to Block 420 Serangoon Central in Serangoon, with their median resale price. Useful for comparing what a flat here costs against its immediate neighbours.
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| Jul 2026 | 01 TO 03 | 5 ROOM | 121 sqm | $930,000 | $7,686 |
| Apr 2026 | 07 TO 09 | 5 ROOM | 121 sqm | $980,000 | $8,099 |
| Oct 2025 | 10 TO 12 | 4 ROOM | 103 sqm | $858,888 | $8,339 |
| Jun 2025 | 10 TO 12 | 4 ROOM | 108 sqm | $853,888 | $7,906 |
| May 2025 | 04 TO 06 | 4 ROOM | 105 sqm | $860,000 | $8,190 |
| Dec 2024 | 01 TO 03 | 4 ROOM | 105 sqm | $790,000 | $7,524 |
| Sep 2024 | 10 TO 12 | 5 ROOM | 123 sqm | $1,030,000 | $8,374 |
| Jul 2024 | 10 TO 12 | 4 ROOM | 105 sqm | $828,000 | $7,886 |
| Apr 2024 | 04 TO 06 | 5 ROOM | 121 sqm | $990,000 | $8,182 |
| Jun 2021 | 07 TO 09 | 5 ROOM | 121 sqm | $788,888 | $6,520 |
| Mar 2021 | 07 TO 09 | 4 ROOM | 105 sqm | $605,000 | $5,762 |
| Mar 2020 | 04 TO 06 | 5 ROOM | 121 sqm | $668,000 | $5,521 |
| Jul 2019 | 04 TO 06 | 4 ROOM | 105 sqm | $570,000 | $5,429 |
| Jun 2019 | 10 TO 12 | 4 ROOM | 109 sqm | $620,000 | $5,688 |
| May 2017 | 10 TO 12 | 5 ROOM | 121 sqm | $750,000 | $6,198 |
| Jan 2017 | 10 TO 12 | 4 ROOM | 103 sqm | $593,000 | $5,757 |
About Block 420 Serangoon Central
A flat at Block 420 Serangoon Central in Serangoon has reached $1,030,000 (Sep 2024), putting it in the small group of HDB blocks that have crossed the million-dollar mark. Its median runs about 56% above the Serangoon median, ahead of around 92% of the town's blocks. It has a relatively light resale record, with 16 transactions since 2017 across 4 room, 5 room flats priced from $570,000 to $1,030,000. The most recent transaction was a 5 room flat on storeys 01 TO 03 at $930,000 in Jul 2026, and the median works out to $7,605/sqm. Over five years, prices here are up about 33%. On Bala's Table, the SLA's leasehold valuation model, its relativity ratio works out to 0.8832, equivalent to roughly 0.46% of lease-value decay a year. All transaction data is sourced from data.gov.sg and updated monthly.
Frequently Asked Questions
How much is an HDB flat at Block 420 Serangoon Central worth?
The most recent resale transaction at Block 420 Serangoon Central was $930,000 for a 5 room flat in 2026-07. The median price per square metre across all flat types is $7,605, based on 16 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 420 Serangoon Central?
Block 420 Serangoon Central was built in 1989 and has approximately 62 years and 5 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.46%, meaning the leasehold value decreases by approximately 0.46% per year at the current remaining lease.
What flat types are available at Block 420 Serangoon Central?
Block 420 Serangoon Central in Serangoon contains 4 room, 5 room flats. Resale prices range from $570,000 to $1,030,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 420 Serangoon Central gone up or down?
Resale prices at Block 420 Serangoon Central have increased by approximately 33% over the past five years. The current median price is $809,000, with the most recent sale at $930,000 in 2026-07.