Block 423 Clementi Avenue 1
Block 423 Clementi Avenue 1 has 50 recorded HDB resale transactions since 2017. Latest sale: $458,000 (Mar 2026, 2 room, floors 04–06). Median $7,451/sqm. Prices up 35.8% over the past five years. Built 2013, 86 years lease remaining.
What this block rents for, and the gross rental yield (annual rent ÷ resale price). Figures are from rentals at this block where available.
| Flat type | Median rent /mo | Gross yield | Based on |
|---|---|---|---|
| 2-Room | $2,950 typically $2,850–$3,000 | 7.7% | 6 rentals here |
| 3-Room | $3,000 typically $2,800–$3,200 | 8.4% | Clementi avg · block too thin |
| 4-Room | $3,900 typically $3,500–$4,200 | 5.4% | Clementi avg · block too thin |
No popular school is within 1 km, but 4sit in the 1–2 km second-priority band.
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| Mar 2026 | 04 TO 06 | 2 ROOM | 49 sqm | $458,000 | $9,347 |
| Jul 2025 | 25 TO 27 | 2 ROOM | 49 sqm | $475,000 | $9,694 |
| Jul 2025 | 07 TO 09 | 2 ROOM | 49 sqm | $423,000 | $8,633 |
| Feb 2025 | 16 TO 18 | 4 ROOM | 100 sqm | $979,000 | $9,790 |
| Jan 2025 | 10 TO 12 | 4 ROOM | 99 sqm | $931,888 | $9,413 |
| Sep 2024 | 07 TO 09 | 3 ROOM | 70 sqm | $680,000 | $9,714 |
| Jul 2024 | 25 TO 27 | 2 ROOM | 49 sqm | $422,000 | $8,612 |
| Jun 2024 | 22 TO 24 | 2 ROOM | 49 sqm | $475,000 | $9,694 |
| Dec 2023 | 04 TO 06 | 3 ROOM | 70 sqm | $575,000 | $8,214 |
| Nov 2023 | 13 TO 15 | 3 ROOM | 70 sqm | $615,000 | $8,786 |
| Jan 2023 | 07 TO 09 | 4 ROOM | 100 sqm | $805,000 | $8,050 |
| Jan 2023 | 04 TO 06 | 4 ROOM | 99 sqm | $825,000 | $8,333 |
| Dec 2022 | 10 TO 12 | 2 ROOM | 49 sqm | $380,000 | $7,755 |
| Aug 2022 | 19 TO 21 | 2 ROOM | 50 sqm | $391,888 | $7,838 |
| Aug 2022 | 22 TO 24 | 2 ROOM | 50 sqm | $398,000 | $7,960 |
| May 2022 | 22 TO 24 | 4 ROOM | 100 sqm | $812,000 | $8,120 |
| Jan 2022 | 04 TO 06 | 2 ROOM | 49 sqm | $346,000 | $7,061 |
| Jan 2022 | 13 TO 15 | 3 ROOM | 75 sqm | $560,000 | $7,467 |
| Oct 2021 | 13 TO 15 | 4 ROOM | 100 sqm | $760,000 | $7,600 |
| Sep 2021 | 16 TO 18 | 2 ROOM | 49 sqm | $340,000 | $6,939 |
About Block 423 Clementi Avenue 1
Block 423 at Clementi Avenue 1 is a residential HDB block in Clementi, Singapore, built in 2013 with approximately 86 years remaining on its 99-year lease. The block contains 2 room, 3 room, 4 room flats, with resale prices ranging from $306,000 to $979,000 based on 50 recorded transactions since January 2017. The most recent transaction was a 2 room flat on storeys 04 TO 06 sold for $458,000 in 2026-03. The current median price per square metre is $7,451. Over the past five years, resale prices at this block have increased by approximately 35.8%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.9491, with an annual lease decay rate of approximately 0.19%. 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 Clementi Avenue 1 worth?
The most recent resale transaction at Block 423 Clementi Avenue 1 was $458,000 for a 2 room flat in 2026-03. The median price per square metre across all flat types is $7,451, based on 50 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 423 Clementi Avenue 1?
Block 423 Clementi Avenue 1 was built in 2013 and has approximately 86 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 0.19%, meaning the leasehold value decreases by approximately 0.19% per year at the current remaining lease.
What flat types are available at Block 423 Clementi Avenue 1?
Block 423 Clementi Avenue 1 in Clementi contains 2 room, 3 room, 4 room flats. Resale prices range from $306,000 to $979,000 based on historical transaction records from data.gov.sg.
Have HDB prices at Block 423 Clementi Avenue 1 gone up or down?
Resale prices at Block 423 Clementi Avenue 1 have increased by approximately 35.8% over the past five years. The current median price is $536,500, with the most recent sale at $458,000 in 2026-03.