Block 421 Choa Chu Kang Avenue 4
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| May 2025 | 07 TO 09 | 4 ROOM | 104 sqm | $574,888 | $5,528 |
| Jul 2024 | 01 TO 03 | 4 ROOM | 104 sqm | $525,000 | $5,048 |
| Mar 2024 | 10 TO 12 | 4 ROOM | 104 sqm | $532,000 | $5,115 |
| Mar 2024 | 10 TO 12 | 5 ROOM | 132 sqm | $620,000 | $4,697 |
| Jan 2024 | 07 TO 09 | 4 ROOM | 104 sqm | $504,888 | $4,855 |
| Dec 2023 | 10 TO 12 | 4 ROOM | 104 sqm | $510,000 | $4,904 |
| Apr 2023 | 10 TO 12 | 4 ROOM | 104 sqm | $496,000 | $4,769 |
| Apr 2023 | 04 TO 06 | 5 ROOM | 132 sqm | $630,000 | $4,773 |
| Aug 2021 | 10 TO 12 | 4 ROOM | 104 sqm | $435,000 | $4,183 |
| Sep 2020 | 01 TO 03 | 4 ROOM | 104 sqm | $300,000 | $2,885 |
| Oct 2019 | 01 TO 03 | 4 ROOM | 104 sqm | $315,000 | $3,029 |
| Aug 2019 | 10 TO 12 | 4 ROOM | 104 sqm | $360,000 | $3,462 |
| Jun 2019 | 07 TO 09 | 4 ROOM | 104 sqm | $364,000 | $3,500 |
| Nov 2018 | 04 TO 06 | 5 ROOM | 132 sqm | $400,000 | $3,030 |
| Sep 2018 | 10 TO 12 | 4 ROOM | 104 sqm | $325,000 | $3,125 |
| Jun 2018 | 07 TO 09 | 5 ROOM | 132 sqm | $405,000 | $3,068 |
About Block 421 Choa Chu Kang Avenue 4
Block 421 at Choa Chu Kang Avenue 4 is a residential HDB block in Choa Chu Kang, Singapore, built in 1992 with approximately 66 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $300,000 to $630,000 based on 16 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 07 TO 09 sold for $574,888 in 2025-05. The current median price per square metre is $4,440. Over the past five years, resale prices at this block have increased by approximately 32.2%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8973, with an annual lease decay rate of approximately 0.40%. 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 421 Choa Chu Kang Avenue 4 worth?
The most recent resale transaction at Block 421 Choa Chu Kang Avenue 4 was $574,888 for a 4 room flat in 2025-05. The median price per square metre across all flat types is $4,440, based on 16 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 421 Choa Chu Kang Avenue 4?
Block 421 Choa Chu Kang Avenue 4 was built in 1992 and has approximately 66 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 0.40%, meaning the leasehold value decreases by approximately 0.40% per year at the current remaining lease.
What flat types are available at Block 421 Choa Chu Kang Avenue 4?
Block 421 Choa Chu Kang Avenue 4 in Choa Chu Kang contains 4 room, 5 room flats. Resale prices range from $300,000 to $630,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 421 Choa Chu Kang Avenue 4 gone up or down?
Resale prices at Block 421 Choa Chu Kang Avenue 4 have increased by approximately 32.2% over the past five years. The current median price is $465,500, with the most recent sale at $574,888 in 2025-05.