Block 420 Clementi Avenue 1
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| Dec 2025 | 28 TO 30 | 4 ROOM | 100 sqm | $980,000 | $9,800 |
| Sep 2025 | 04 TO 06 | 4 ROOM | 96 sqm | $915,000 | $9,531 |
| Jun 2025 | 04 TO 06 | 4 ROOM | 91 sqm | $850,000 | $9,341 |
| Apr 2025 | 37 TO 39 | 3 ROOM | 74 sqm | $730,000 | $9,865 |
| Apr 2025 | 16 TO 18 | 4 ROOM | 100 sqm | $938,000 | $9,380 |
| Mar 2025 | 07 TO 09 | 3 ROOM | 73 sqm | $638,000 | $8,740 |
| Mar 2025 | 37 TO 39 | 4 ROOM | 91 sqm | $1,050,000 | $11,538 |
| Feb 2025 | 25 TO 27 | 4 ROOM | 92 sqm | $948,888 | $10,314 |
| Feb 2025 | 31 TO 33 | 4 ROOM | 100 sqm | $998,000 | $9,980 |
| Jan 2025 | 25 TO 27 | 3 ROOM | 73 sqm | $662,000 | $9,068 |
| Nov 2024 | 34 TO 36 | 4 ROOM | 96 sqm | $1,000,000 | $10,417 |
| Oct 2024 | 31 TO 33 | 4 ROOM | 92 sqm | $975,000 | $10,598 |
| Aug 2024 | 22 TO 24 | 4 ROOM | 91 sqm | $915,000 | $10,055 |
| Jul 2024 | 10 TO 12 | 4 ROOM | 100 sqm | $910,000 | $9,100 |
| Apr 2024 | 19 TO 21 | 4 ROOM | 92 sqm | $910,000 | $9,891 |
| Mar 2024 | 25 TO 27 | 4 ROOM | 92 sqm | $895,000 | $9,728 |
| Dec 2023 | 04 TO 06 | 4 ROOM | 100 sqm | $778,000 | $7,780 |
| Oct 2023 | 16 TO 18 | 4 ROOM | 91 sqm | $855,000 | $9,396 |
| Sep 2023 | 04 TO 06 | 4 ROOM | 91 sqm | $765,000 | $8,407 |
| Jun 2023 | 28 TO 30 | 4 ROOM | 91 sqm | $842,000 | $9,253 |
About Block 420 Clementi Avenue 1
Block 420 at Clementi Avenue 1 is a residential HDB block in Clementi, Singapore, built in 2013 with approximately 86 years remaining on its 99-year lease. The block contains 3 room, 4 room flats, with resale prices ranging from $530,000 to $1,050,000 based on 72 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 28 TO 30 sold for $980,000 in 2025-12. The current median price per square metre is $7,800. Over the past five years, resale prices at this block have increased by approximately 26.4%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.9496, with an annual lease decay rate of approximately 0.19%. 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 Clementi Avenue 1 worth?
The most recent resale transaction at Block 420 Clementi Avenue 1 was $980,000 for a 4 room flat in 2025-12. The median price per square metre across all flat types is $7,800, based on 72 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 420 Clementi Avenue 1?
Block 420 Clementi Avenue 1 was built in 2013 and has approximately 86 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 0.19%, meaning the leasehold value decreases by approximately 0.19% per year at the current remaining lease.
What flat types are available at Block 420 Clementi Avenue 1?
Block 420 Clementi Avenue 1 in Clementi contains 3 room, 4 room flats. Resale prices range from $530,000 to $1,050,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 420 Clementi Avenue 1 gone up or down?
Resale prices at Block 420 Clementi Avenue 1 have increased by approximately 26.4% over the past five years. The current median price is $716,000, with the most recent sale at $980,000 in 2025-12.