Block 423 Jurong West Avenue 1
Block 423 Jurong West Avenue 1 has 19 recorded HDB resale transactions since 2017. Latest sale: $400,000 (Mar 2026, 3 room, floors 01–03). Median $3,784/sqm. Prices up 23.5% over the past five years. Built 1984, 57 years lease remaining.
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 Jurong West average.
| Flat type | Median rent /mo | Gross yield | Based on |
|---|---|---|---|
| 3-Room | $2,700 typically $2,400–$3,000 | 8.1% | Jurong West avg · block too thin |
| 4-Room | $3,400 typically $3,100–$3,700 | 7.6% | Jurong West avg · block too thin |
This block is inside the 1 km Primary 1 priority zone for 2 popular schools. When a school is oversubscribed, MOE ballots by home–school distance, and homes within 1 km are drawn first.
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| Mar 2026 | 01 TO 03 | 3 ROOM | 84 sqm | $400,000 | $4,762 |
| Feb 2026 | 04 TO 06 | 3 ROOM | 74 sqm | $420,000 | $5,676 |
| Jan 2026 | 07 TO 09 | 3 ROOM | 74 sqm | $440,000 | $5,946 |
| Dec 2025 | 04 TO 06 | 3 ROOM | 74 sqm | $420,000 | $5,676 |
| Nov 2023 | 07 TO 09 | 4 ROOM | 104 sqm | $460,000 | $4,423 |
| Jul 2023 | 04 TO 06 | 3 ROOM | 74 sqm | $360,000 | $4,865 |
| May 2022 | 04 TO 06 | 4 ROOM | 104 sqm | $445,000 | $4,279 |
| Dec 2021 | 04 TO 06 | 3 ROOM | 74 sqm | $340,000 | $4,595 |
| Apr 2021 | 07 TO 09 | 4 ROOM | 105 sqm | $390,000 | $3,714 |
| Nov 2020 | 07 TO 09 | 3 ROOM | 74 sqm | $285,000 | $3,851 |
| Jun 2020 | 07 TO 09 | 3 ROOM | 74 sqm | $275,000 | $3,716 |
| Mar 2020 | 07 TO 09 | 4 ROOM | 104 sqm | $338,000 | $3,250 |
| Jan 2020 | 01 TO 03 | 3 ROOM | 74 sqm | $260,000 | $3,514 |
| Jul 2019 | 01 TO 03 | 3 ROOM | 74 sqm | $264,000 | $3,568 |
| Feb 2019 | 04 TO 06 | 3 ROOM | 74 sqm | $275,000 | $3,716 |
| Nov 2018 | 04 TO 06 | 3 ROOM | 74 sqm | $268,379 | $3,627 |
| Jun 2018 | 07 TO 09 | 3 ROOM | 74 sqm | $270,000 | $3,649 |
| Mar 2018 | 01 TO 03 | 4 ROOM | 104 sqm | $318,888 | $3,066 |
| Mar 2017 | 01 TO 03 | 3 ROOM | 74 sqm | $280,000 | $3,784 |
About Block 423 Jurong West Avenue 1
Block 423 at Jurong West Avenue 1 is a residential HDB block in Jurong West, Singapore, built in 1984 with approximately 57 years remaining on its 99-year lease. The block contains 3 room, 4 room flats, with resale prices ranging from $260,000 to $460,000 based on 19 recorded transactions since January 2017. The most recent transaction was a 3 room flat on storeys 01 TO 03 sold for $400,000 in 2026-03. The current median price per square metre is $3,784. Over the past five years, resale prices at this block have increased by approximately 23.5%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8613, with an annual lease decay rate of approximately 0.56%. 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 423 Jurong West Avenue 1 worth?
The most recent resale transaction at Block 423 Jurong West Avenue 1 was $400,000 for a 3 room flat in 2026-03. The median price per square metre across all flat types is $3,784, based on 19 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 423 Jurong West Avenue 1?
Block 423 Jurong West Avenue 1 was built in 1984 and has approximately 57 years and 5 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.56%, meaning the leasehold value decreases by approximately 0.56% per year at the current remaining lease.
What flat types are available at Block 423 Jurong West Avenue 1?
Block 423 Jurong West Avenue 1 in Jurong West contains 3 room, 4 room flats. Resale prices range from $260,000 to $460,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 423 Jurong West Avenue 1 gone up or down?
Resale prices at Block 423 Jurong West Avenue 1 have increased by approximately 23.5% over the past five years. The current median price is $338,000, with the most recent sale at $400,000 in 2026-03.