Block 425 Serangoon Avenue 1
Block 425 Serangoon Avenue 1 has 24 recorded HDB resale transactions since 2017. Latest sale: $850,000 (Mar 2026, 4 room, floors 07–09). Median $7,172/sqm. Prices up 38.1% over the past five years. Built 1989, 62 years lease remaining.
How this block compares
- 4 Room$850,000+28.8%vs town(+$190k)+34.9%vs national(+$220k)
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). This block has too few rentals on record, so figures shown are the Serangoon average.
| Flat type | Median rent /mo | Gross yield | Based on |
|---|---|---|---|
| 4-Room | $3,400 typically $3,100–$3,700 | 6.2% | Serangoon avg · block too thin |
| 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 3 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 425 Serangoon Avenue 1 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 |
|---|---|---|---|---|---|
| Mar 2026 | 07 TO 09 | 4 ROOM | 105 sqm | $850,000 | $8,095 |
| Feb 2026 | 13 TO 15 | 4 ROOM | 113 sqm | $910,000 | $8,053 |
| Jan 2026 | 10 TO 12 | 5 ROOM | 129 sqm | $1,050,000 | $8,140 |
| Sep 2025 | 04 TO 06 | 4 ROOM | 106 sqm | $845,000 | $7,972 |
| Jan 2025 | 01 TO 03 | 4 ROOM | 106 sqm | $798,000 | $7,528 |
| Aug 2024 | 04 TO 06 | 4 ROOM | 106 sqm | $818,000 | $7,717 |
| Jun 2024 | 07 TO 09 | 5 ROOM | 121 sqm | $976,000 | $8,066 |
| Apr 2024 | 01 TO 03 | 5 ROOM | 121 sqm | $880,000 | $7,273 |
| Jan 2024 | 07 TO 09 | 5 ROOM | 123 sqm | $921,000 | $7,488 |
| Dec 2023 | 10 TO 12 | 4 ROOM | 105 sqm | $788,000 | $7,505 |
| Apr 2023 | 04 TO 06 | 4 ROOM | 104 sqm | $751,000 | $7,221 |
| Jan 2023 | 10 TO 12 | 4 ROOM | 113 sqm | $798,000 | $7,062 |
| Oct 2022 | 07 TO 09 | 4 ROOM | 106 sqm | $755,000 | $7,123 |
| Oct 2022 | 01 TO 03 | 5 ROOM | 129 sqm | $830,000 | $6,434 |
| May 2022 | 10 TO 12 | 4 ROOM | 113 sqm | $740,000 | $6,549 |
| Oct 2021 | 01 TO 03 | 5 ROOM | 123 sqm | $700,000 | $5,691 |
| Aug 2021 | 13 TO 15 | 5 ROOM | 121 sqm | $880,000 | $7,273 |
| Apr 2021 | 10 TO 12 | 4 ROOM | 103 sqm | $600,000 | $5,825 |
| Nov 2020 | 13 TO 15 | 4 ROOM | 106 sqm | $640,088 | $6,039 |
| Aug 2020 | 07 TO 09 | 4 ROOM | 103 sqm | $610,800 | $5,930 |
About Block 425 Serangoon Avenue 1
A flat at Block 425 Serangoon Avenue 1 in Serangoon has reached $1,050,000 (Jan 2026), putting it in the small group of HDB blocks that have crossed the million-dollar mark. Its median runs about 53% above the Serangoon median, ahead of around 90% of the town's blocks. It has a regular flow of resale activity, with 24 transactions since 2017 across 4 room, 5 room flats priced from $535,000 to $1,050,000. The most recent transaction was a 4 room flat on storeys 07 TO 09 at $850,000 in Mar 2026, and the median works out to $7,172/sqm. Over five years, prices here are up about 38.1%. On Bala's Table, the SLA's leasehold valuation model, its relativity ratio works out to 0.8829, 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 425 Serangoon Avenue 1 worth?
The most recent resale transaction at Block 425 Serangoon Avenue 1 was $850,000 for a 4 room flat in 2026-03. The median price per square metre across all flat types is $7,172, based on 24 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 425 Serangoon Avenue 1?
Block 425 Serangoon Avenue 1 was built in 1989 and has approximately 62 years and 4 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 425 Serangoon Avenue 1?
Block 425 Serangoon Avenue 1 in Serangoon contains 4 room, 5 room flats. Resale prices range from $535,000 to $1,050,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 425 Serangoon Avenue 1 gone up or down?
Resale prices at Block 425 Serangoon Avenue 1 have increased by approximately 38.1% over the past five years. The current median price is $793,000, with the most recent sale at $850,000 in 2026-03.