Block 423 Choa Chu Kang Avenue 4
Block 423 Choa Chu Kang Avenue 4 has 20 recorded HDB resale transactions since 2017. Latest sale: $540,000 (May 2026, 4 room, floors 01–03). Median $3,840/sqm. Prices up 29.9% over the past five years. Built 1992, 65 years lease remaining.
How this block compares
- 4 Room$540,000−3.2%vs town(−$18k)−14.3%vs national(−$90k)
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 |
|---|---|---|---|
| 4-Room | $3,100 typically $2,900–$3,300 | 6.7% | Choa Chu Kang avg · block too thin |
| 5-Room | $3,250 typically $3,000–$3,500 | 5.8% | 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 423 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 |
|---|---|---|---|---|---|
| May 2026 | 01 TO 03 | 4 ROOM | 104 sqm | $540,000 | $5,192 |
| Apr 2026 | 01 TO 03 | 5 ROOM | 122 sqm | $630,000 | $5,164 |
| Mar 2026 | 04 TO 06 | 4 ROOM | 104 sqm | $540,000 | $5,192 |
| Nov 2025 | 04 TO 06 | 4 ROOM | 104 sqm | $560,555 | $5,390 |
| Jul 2025 | 10 TO 12 | 4 ROOM | 104 sqm | $555,000 | $5,337 |
| Feb 2025 | 04 TO 06 | 4 ROOM | 104 sqm | $550,000 | $5,288 |
| Feb 2025 | 04 TO 06 | 5 ROOM | 122 sqm | $635,000 | $5,205 |
| Jul 2024 | 10 TO 12 | 4 ROOM | 104 sqm | $540,000 | $5,192 |
| Jun 2023 | 07 TO 09 | 5 ROOM | 122 sqm | $591,000 | $4,844 |
| Aug 2021 | 01 TO 03 | 5 ROOM | 122 sqm | $487,000 | $3,992 |
| Sep 2020 | 07 TO 09 | 4 ROOM | 104 sqm | $380,000 | $3,654 |
| Jun 2020 | 10 TO 12 | 4 ROOM | 104 sqm | $370,000 | $3,558 |
| Jan 2020 | 01 TO 03 | 4 ROOM | 104 sqm | $310,000 | $2,981 |
| Sep 2019 | 04 TO 06 | 4 ROOM | 104 sqm | $352,000 | $3,385 |
| Jan 2019 | 04 TO 06 | 4 ROOM | 104 sqm | $345,000 | $3,317 |
| Sep 2018 | 10 TO 12 | 5 ROOM | 122 sqm | $450,000 | $3,689 |
| Apr 2018 | 01 TO 03 | 4 ROOM | 104 sqm | $295,000 | $2,837 |
| Jan 2018 | 04 TO 06 | 4 ROOM | 104 sqm | $333,000 | $3,202 |
| Jul 2017 | 10 TO 12 | 4 ROOM | 104 sqm | $373,000 | $3,587 |
| Jan 2017 | 10 TO 12 | 4 ROOM | 104 sqm | $358,000 | $3,442 |
About Block 423 Choa Chu Kang Avenue 4
Block 423 Choa Chu Kang Avenue 4 in Choa Chu Kang has been a strong performer, with resale prices up roughly 29.9% over five years. Its $468,500 median tracks close to the Choa Chu Kang town median. It has a regular flow of resale activity, with 20 transactions since 2017 across 4 room, 5 room flats priced from $295,000 to $635,000. The most recent transaction was a 4 room flat on storeys 01 TO 03 at $540,000 in May 2026, and the median works out to $3,840/sqm. Higher floors carry a premium, with the 10 TO 12 band trading roughly 20% above the 01 TO 03 band. Under Bala's Table (the SLA leasehold valuation model), its leasehold relativity ratio is 0.8937, an annual lease decay of about 0.42%. All transaction data is sourced from data.gov.sg and updated monthly.
Frequently Asked Questions
How much is an HDB flat at Block 423 Choa Chu Kang Avenue 4 worth?
The most recent resale transaction at Block 423 Choa Chu Kang Avenue 4 was $540,000 for a 4 room flat in 2026-05. The median price per square metre across all flat types is $3,840, based on 20 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 423 Choa Chu Kang Avenue 4?
Block 423 Choa Chu Kang Avenue 4 was built in 1992 and has approximately 65 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 0.42%, meaning the leasehold value decreases by approximately 0.42% per year at the current remaining lease.
What flat types are available at Block 423 Choa Chu Kang Avenue 4?
Block 423 Choa Chu Kang Avenue 4 in Choa Chu Kang contains 4 room, 5 room flats. Resale prices range from $295,000 to $635,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 423 Choa Chu Kang Avenue 4 gone up or down?
Resale prices at Block 423 Choa Chu Kang Avenue 4 have increased by approximately 29.9% over the past five years. The current median price is $468,500, with the most recent sale at $540,000 in 2026-05.