Block 420 Choa Chu Kang Avenue 4
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| Dec 2025 | 16 TO 18 | EXECUTIVE | 150 sqm | $925,000 | $6,167 |
| Oct 2025 | 13 TO 15 | EXECUTIVE | 148 sqm | $865,000 | $5,845 |
| Nov 2023 | 10 TO 12 | EXECUTIVE | 148 sqm | $793,888 | $5,364 |
| Jul 2023 | 07 TO 09 | EXECUTIVE | 148 sqm | $770,000 | $5,203 |
| May 2022 | 16 TO 18 | EXECUTIVE | 148 sqm | $722,888 | $4,884 |
| Jan 2022 | 10 TO 12 | EXECUTIVE | 150 sqm | $708,000 | $4,720 |
| Nov 2021 | 10 TO 12 | EXECUTIVE | 148 sqm | $663,000 | $4,480 |
| Mar 2020 | 01 TO 03 | EXECUTIVE | 150 sqm | $495,000 | $3,300 |
| Dec 2019 | 10 TO 12 | EXECUTIVE | 143 sqm | $550,000 | $3,846 |
| Jul 2019 | 07 TO 09 | EXECUTIVE | 143 sqm | $535,000 | $3,741 |
| Jul 2019 | 10 TO 12 | EXECUTIVE | 150 sqm | $550,000 | $3,667 |
| Jul 2018 | 01 TO 03 | EXECUTIVE | 143 sqm | $480,000 | $3,357 |
| Sep 2017 | 01 TO 03 | EXECUTIVE | 150 sqm | $530,000 | $3,533 |
About Block 420 Choa Chu Kang Avenue 4
Block 420 at Choa Chu Kang Avenue 4 is a residential HDB block in Choa Chu Kang, Singapore, built in 1993 with approximately 66 years remaining on its 99-year lease. The block contains executive flats, with resale prices ranging from $480,000 to $925,000 based on 13 recorded transactions since January 2017. The most recent transaction was a executive flat on storeys 16 TO 18 sold for $925,000 in 2025-12. The current median price per square metre is $4,480. Over the past five years, resale prices at this block have increased by approximately 35%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8988, with an annual lease decay rate of approximately 0.39%. 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 Choa Chu Kang Avenue 4 worth?
The most recent resale transaction at Block 420 Choa Chu Kang Avenue 4 was $925,000 for a executive flat in 2025-12. The median price per square metre across all flat types is $4,480, based on 13 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 420 Choa Chu Kang Avenue 4?
Block 420 Choa Chu Kang Avenue 4 was built in 1993 and has approximately 66 years and 7 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.39%, meaning the leasehold value decreases by approximately 0.39% per year at the current remaining lease.
What flat types are available at Block 420 Choa Chu Kang Avenue 4?
Block 420 Choa Chu Kang Avenue 4 in Choa Chu Kang contains executive flats. Resale prices range from $480,000 to $925,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 420 Choa Chu Kang Avenue 4 gone up or down?
Resale prices at Block 420 Choa Chu Kang Avenue 4 have increased by approximately 35% over the past five years. The current median price is $663,000, with the most recent sale at $925,000 in 2025-12.