Block 405 Serangoon Avenue 1
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| May 2025 | 04 TO 06 | 5 ROOM | 123 sqm | $990,000 | $8,049 |
| Oct 2024 | 04 TO 06 | 4 ROOM | 94 sqm | $708,000 | $7,532 |
| Sep 2024 | 07 TO 09 | 5 ROOM | 121 sqm | $975,000 | $8,058 |
| Jul 2024 | 04 TO 06 | 4 ROOM | 103 sqm | $822,888 | $7,989 |
| Jun 2024 | 01 TO 03 | 5 ROOM | 121 sqm | $790,000 | $6,529 |
| May 2024 | 04 TO 06 | 4 ROOM | 94 sqm | $718,000 | $7,638 |
| Feb 2024 | 10 TO 12 | 4 ROOM | 111 sqm | $848,666 | $7,646 |
| Mar 2023 | 01 TO 03 | 4 ROOM | 111 sqm | $670,000 | $6,036 |
| Jan 2023 | 01 TO 03 | 5 ROOM | 123 sqm | $765,000 | $6,220 |
| Jun 2022 | 10 TO 12 | 4 ROOM | 113 sqm | $739,888 | $6,548 |
| May 2021 | 04 TO 06 | 4 ROOM | 111 sqm | $623,888 | $5,621 |
| Oct 2020 | 10 TO 12 | 5 ROOM | 123 sqm | $715,000 | $5,813 |
| Aug 2019 | 10 TO 12 | 4 ROOM | 103 sqm | $540,000 | $5,243 |
| Aug 2019 | 07 TO 09 | 4 ROOM | 113 sqm | $560,000 | $4,956 |
| Mar 2019 | 04 TO 06 | 4 ROOM | 103 sqm | $470,000 | $4,563 |
| Feb 2018 | 04 TO 06 | 4 ROOM | 111 sqm | $632,000 | $5,694 |
About Block 405 Serangoon Avenue 1
Block 405 at Serangoon Avenue 1 is a residential HDB block in Serangoon, Singapore, built in 1989 with approximately 62 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $470,000 to $990,000 based on 16 recorded transactions since January 2017. The most recent transaction was a 5 room flat on storeys 04 TO 06 sold for $990,000 in 2025-05. The current median price per square metre is $6,374. Over the past five years, resale prices at this block have increased by approximately 58.7%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8849, with an annual lease decay rate of approximately 0.46%. 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 405 Serangoon Avenue 1 worth?
The most recent resale transaction at Block 405 Serangoon Avenue 1 was $990,000 for a 5 room flat in 2025-05. The median price per square metre across all flat types is $6,374, based on 16 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 405 Serangoon Avenue 1?
Block 405 Serangoon Avenue 1 was built in 1989 and has approximately 62 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 0.46%, meaning the leasehold value decreases by approximately 0.46% per year at the current remaining lease.
What flat types are available at Block 405 Serangoon Avenue 1?
Block 405 Serangoon Avenue 1 in Serangoon contains 4 room, 5 room flats. Resale prices range from $470,000 to $990,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 405 Serangoon Avenue 1 gone up or down?
Resale prices at Block 405 Serangoon Avenue 1 have increased by approximately 58.7% over the past five years. The current median price is $716,500, with the most recent sale at $990,000 in 2025-05.