Block 401 Serangoon Avenue 1
Block 401 Serangoon Avenue 1 has 27 recorded HDB resale transactions since 2017. Latest sale: $838,888 (May 2026, 4 room, floors 01–03). Median $6,000/sqm. Prices up 44.6% over the past five years. Built 1989, 61 years lease remaining.
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 | 5.3% | 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 | 01 TO 03 | 4 ROOM | 105 sqm | $838,888 | $7,989 |
| Mar 2026 | 04 TO 06 | 4 ROOM | 105 sqm | $852,500 | $8,119 |
| Sep 2025 | 04 TO 06 | 4 ROOM | 103 sqm | $790,000 | $7,670 |
| Jul 2025 | 10 TO 12 | 4 ROOM | 109 sqm | $855,000 | $7,844 |
| Feb 2025 | 01 TO 03 | 4 ROOM | 105 sqm | $795,888 | $7,580 |
| Jan 2024 | 04 TO 06 | 5 ROOM | 121 sqm | $862,000 | $7,124 |
| Dec 2023 | 10 TO 12 | 4 ROOM | 93 sqm | $678,000 | $7,290 |
| Nov 2023 | 01 TO 03 | 4 ROOM | 109 sqm | $750,000 | $6,881 |
| May 2022 | 07 TO 09 | 4 ROOM | 109 sqm | $670,000 | $6,147 |
| Jun 2021 | 04 TO 06 | 4 ROOM | 93 sqm | $560,000 | $6,022 |
| May 2021 | 07 TO 09 | 4 ROOM | 109 sqm | $632,000 | $5,798 |
| Jan 2021 | 04 TO 06 | 4 ROOM | 105 sqm | $580,000 | $5,524 |
| Oct 2020 | 04 TO 06 | 4 ROOM | 105 sqm | $598,000 | $5,695 |
| Jun 2020 | 04 TO 06 | 4 ROOM | 93 sqm | $515,000 | $5,538 |
| Jan 2020 | 07 TO 09 | 4 ROOM | 105 sqm | $630,000 | $6,000 |
| Apr 2019 | 07 TO 09 | 4 ROOM | 103 sqm | $560,000 | $5,437 |
| Apr 2019 | 04 TO 06 | 4 ROOM | 103 sqm | $612,000 | $5,942 |
| Mar 2019 | 01 TO 03 | 4 ROOM | 105 sqm | $575,000 | $5,476 |
| Mar 2019 | 10 TO 12 | 5 ROOM | 121 sqm | $755,000 | $6,240 |
| Feb 2019 | 07 TO 09 | 5 ROOM | 121 sqm | $745,000 | $6,157 |
About Block 401 Serangoon Avenue 1
Block 401 at Serangoon Avenue 1 is a residential HDB block in Serangoon, Singapore, built in 1989 with approximately 61 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $508,000 to $862,000 based on 27 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 01 TO 03 sold for $838,888 in 2026-05. The current median price per square metre is $6,000. Over the past five years, resale prices at this block have increased by approximately 44.6%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8808, with an annual lease decay rate of approximately 0.47%. 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 401 Serangoon Avenue 1 worth?
The most recent resale transaction at Block 401 Serangoon Avenue 1 was $838,888 for a 4 room flat in 2026-05. The median price per square metre across all flat types is $6,000, based on 27 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 401 Serangoon Avenue 1?
Block 401 Serangoon Avenue 1 was built in 1989 and has approximately 61 years and 10 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.47%, meaning the leasehold value decreases by approximately 0.47% per year at the current remaining lease.
What flat types are available at Block 401 Serangoon Avenue 1?
Block 401 Serangoon Avenue 1 in Serangoon contains 4 room, 5 room flats. Resale prices range from $508,000 to $862,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 401 Serangoon Avenue 1 gone up or down?
Resale prices at Block 401 Serangoon Avenue 1 have increased by approximately 44.6% over the past five years. The current median price is $650,000, with the most recent sale at $838,888 in 2026-05.