Block 420 Choa Chu Kang Avenue 4
Block 420 Choa Chu Kang Avenue 4 has 14 recorded HDB resale transactions since 2017. Latest sale: $825,000 (Jun 2026, executive, floors 04–06). Median $4,600/sqm. Prices up 30.5% over the past five years. Built 1993, 66 years lease remaining.
How this block compares
- Executive$865,000+3.6%vs town(+$30k)−4.9%vs national(−$45k)
Median of resales in the 12 months to Jul 2026, compared with town and Singapore medians on the same basis. Flat types with fewer than two sales in the window are omitted.
What this block rents for, and the gross rental yield (annual rent ÷ resale price). This block has too few rentals on record, so figures shown are the Choa Chu Kang average.
| Flat type | Median rent /mo | Gross yield | Based on |
|---|---|---|---|
| Executive | $3,500 typically $3,200–$3,800 | 5% | Choa Chu Kang avg · block too thin |
This block is inside the 1 km Primary 1 priority zone for 3 popular schools. When a school is oversubscribed, MOE ballots by home–school distance, and homes within 1 km are drawn first.
- This home
- School within 1 km
- School 1–2 km
- 1km ring, top priority
- 2km ring, next tier
Straight-line distances, the basis MOE uses for Home–School Distance priority. Tap a school to open it. Map © OneMap, SLA.
Other HDB blocks closest to Block 420 Choa Chu Kang Avenue 4 in Choa Chu Kang, with their median resale price. Useful for comparing what a flat here costs against its immediate neighbours.
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| Jun 2026 | 04 TO 06 | EXECUTIVE | 143 sqm | $825,000 | $5,769 |
| 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 Choa Chu Kang Avenue 4 is among the priciest HDB blocks in Choa Chu Kang, with a median of $685,500 that runs higher than about 96% of the town's blocks. It has a relatively light resale record, with 14 transactions since 2017 across executive flats priced from $480,000 to $925,000. The most recent transaction was an executive flat on storeys 04 TO 06 at $825,000 in Jun 2026, and the median works out to $4,600/sqm. Over five years, prices here are up about 30.5%. On Bala's Table, the SLA's leasehold valuation model, its relativity ratio works out to 0.8967, equivalent to roughly 0.40% of lease-value decay a year. All transaction data is sourced from data.gov.sg and 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 $825,000 for a executive flat in 2026-06. The median price per square metre across all flat types is $4,600, based on 14 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 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 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 30.5% over the past five years. The current median price is $685,500, with the most recent sale at $825,000 in 2026-06.