Block 420 Serangoon Central
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| 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
Block 420 at Serangoon Central is a residential HDB block in Serangoon, Singapore, built in 1989 with approximately 63 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $570,000 to $1,030,000 based on 14 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 10 TO 12 sold for $858,888 in 2025-10. The current median price per square metre is $7,022. Over the past five years, resale prices at this block have increased by approximately 23.2%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8862, with an annual lease decay rate of approximately 0.45%. 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 420 Serangoon Central worth?
The most recent resale transaction at Block 420 Serangoon Central was $858,888 for a 4 room flat in 2025-10. The median price per square metre across all flat types is $7,022, based on 14 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 63 years and 2 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.45%, meaning the leasehold value decreases by approximately 0.45% 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 23.2% over the past five years. The current median price is $789,444, with the most recent sale at $858,888 in 2025-10.