Block 403 Serangoon Avenue 1
Block 403 Serangoon Avenue 1 has 10 recorded HDB resale transactions since 2017. Latest sale: $790,000 (May 2026, 4 room, floors 04–06). Median $6,113/sqm. Prices up 29% over the past five years. Built 1988, 61 years lease remaining.
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 | $3,625 typically $3,600–$3,650 | 5.5% | 6 rentals here |
| 5-Room | $3,600 typically $3,400–$3,900 | 5.3% | 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.
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| May 2026 | 04 TO 06 | 4 ROOM | 105 sqm | $790,000 | $7,524 |
| May 2026 | 04 TO 06 | 5 ROOM | 121 sqm | $980,000 | $8,099 |
| Nov 2023 | 10 TO 12 | 4 ROOM | 113 sqm | $793,000 | $7,018 |
| Jul 2022 | 01 TO 03 | 4 ROOM | 105 sqm | $615,000 | $5,857 |
| Dec 2021 | 10 TO 12 | 4 ROOM | 103 sqm | $620,888 | $6,028 |
| Nov 2021 | 07 TO 09 | 5 ROOM | 121 sqm | $750,000 | $6,198 |
| Sep 2020 | 04 TO 06 | 5 ROOM | 121 sqm | $670,000 | $5,537 |
| Aug 2020 | 04 TO 06 | 4 ROOM | 103 sqm | $578,000 | $5,612 |
| Apr 2019 | 07 TO 09 | 4 ROOM | 113 sqm | $670,000 | $5,929 |
| Apr 2018 | 04 TO 06 | 4 ROOM | 105 sqm | $668,000 | $6,362 |
About Block 403 Serangoon Avenue 1
Block 403 at Serangoon Avenue 1 is a residential HDB block in Serangoon, Singapore, built in 1988 with approximately 61 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $578,000 to $980,000 based on 10 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 04 TO 06 sold for $790,000 in 2026-05. The current median price per square metre is $6,113. Over the past five years, resale prices at this block have increased by approximately 29%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8798, with an annual lease decay rate of approximately 0.48%. All transaction data is sourced from Singapore's data.gov.sg open data platform and is updated monthly.
Frequently Asked Questions
How much is an HDB flat at Block 403 Serangoon Avenue 1 worth?
The most recent resale transaction at Block 403 Serangoon Avenue 1 was $790,000 for a 4 room flat in 2026-05. The median price per square metre across all flat types is $6,113, based on 10 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 403 Serangoon Avenue 1?
Block 403 Serangoon Avenue 1 was built in 1988 and has approximately 61 years and 7 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.48%, meaning the leasehold value decreases by approximately 0.48% per year at the current remaining lease.
What flat types are available at Block 403 Serangoon Avenue 1?
Block 403 Serangoon Avenue 1 in Serangoon contains 4 room, 5 room flats. Resale prices range from $578,000 to $980,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 403 Serangoon Avenue 1 gone up or down?
Resale prices at Block 403 Serangoon Avenue 1 have increased by approximately 29% over the past five years. The current median price is $670,000, with the most recent sale at $790,000 in 2026-05.