HDB · Clementi
Blk 421 Clementi Ave 1
Latest recorded sale 1 Sept 2026 · 107 resales recorded at Blk 421 Clementi Ave 1 since 2016.
What do flats at Blk 421 Clementi Ave 1 sell for?
The median flat at Blk 421 Clementi Ave 1 sold for S$10,104 psm over the last 12 months, from 7 recorded sales between Jan 2026 and Sept 2026. This is an indicative figure from recorded transactions, not a formal valuation. Latest recorded sale 1 Sept 2026.
18 sales recorded at Blk 421 Clementi Ave 1 in the last 24 months.
S$10,104 psm
What is a flat at Blk 421 Clementi Ave 1 worth?
A typical 4-room flat at Blk 421 Clementi Ave 1 (96 sqm) is valued at S$943,741 to S$992,826, from 6 comparable sales at Blk 421 Clementi Ave 1 in the last 12 months with a similar lease left. This is an indicative estimate, not a formal valuation.
S$943,741 – S$992,826
S$9,831 psm to S$10,342 psm · 6 comparable sales · See every comparable sale, or change the size and floor
How has the price at Blk 421 Clementi Ave 1 changed?
Value a unit here
Change the size or floor for an indicative range for this block, or type another address or postal code.
What flats are in Blk 421 Clementi Ave 1?
| Type | In block | Sold | Median |
|---|---|---|---|
| 3 ROOM | 76 | 26 | S$585,000 |
| 4 ROOM | 224 | 79 | S$760,000 |
| Total | 300 | 105 |
Stock: HDB Property Information, read 2 Nov 2026. Sales and medians: homequant engine.
By flat type
- 3-Room resale prices at Blk 421 Clementi Ave 1 · 26 sales since Jan 2017
- 4-Room resale prices at Blk 421 Clementi Ave 1 · 79 sales since Jan 2017
What has sold at Blk 421 Clementi Ave 1 recently?
| Date | Detail | Area | Price | Per area |
|---|---|---|---|---|
| Oct 2026 | Blk 421 · 4 ROOM · 28 TO 30 · Model A · 86 years left excluded: outlier | 91 sqm | S$980,000 | S$10,769 psm |
| Sept 2026 | Blk 421 · 4 ROOM · 22 TO 24 · Model A · 86 years left | 96 sqm | S$996,888 | S$10,384 psm |
| Aug 2026 | Blk 421 · 4 ROOM · 07 TO 09 · Model A · 86 years left | 92 sqm | S$880,000 | S$9,565 psm |
| Jun 2026 | Blk 421 · 4 ROOM · 22 TO 24 · Model A · 86 years left | 96 sqm | S$970,000 | S$10,104 psm |
| May 2026 | Blk 421 · 3 ROOM · 19 TO 21 · Model A · 86 years left | 73 sqm | S$650,000 | S$8,904 psm |
| Apr 2026 | Blk 421 · 4 ROOM · 25 TO 27 · Model A · 86 years left | 100 sqm | S$975,888 | S$9,759 psm |
| Mar 2026 | Blk 421 · 4 ROOM · 19 TO 21 · Model A · 87 years left | 96 sqm | S$985,000 | S$10,260 psm |
| Jan 2026 | Blk 421 · 4 ROOM · 31 TO 33 · Model A · 87 years left | 96 sqm | S$1,038,000 | S$10,813 psm |
| Nov 2025 | Blk 421 · 4 ROOM · 22 TO 24 · Model A · 87 years left | 91 sqm | S$978,000 | S$10,747 psm |
| Nov 2025 | Blk 421 · 4 ROOM · 10 TO 12 · Model A · 87 years left | 100 sqm | S$965,000 | S$9,650 psm |
| Aug 2025 | Blk 421 · 4 ROOM · 22 TO 24 · Model A · 87 years left | 100 sqm | S$970,000 | S$9,700 psm |
| Aug 2025 | Blk 421 · 4 ROOM · 10 TO 12 · Model A · 87 years left | 91 sqm | S$942,888 | S$10,361 psm |
| May 2025 | Blk 421 · 4 ROOM · 25 TO 27 · Model A · 87 years left | 92 sqm | S$965,000 | S$10,489 psm |
| Apr 2025 | Blk 421 · 4 ROOM · 07 TO 09 · Model A · 88 years left | 100 sqm | S$952,488 | S$9,525 psm |
| Mar 2025 | Blk 421 · 3 ROOM · 13 TO 15 · Model A · 88 years left | 74 sqm | S$728,000 | S$9,838 psm |
| Feb 2025 | Blk 421 · 4 ROOM · 04 TO 06 · Model A · 88 years left | 91 sqm | S$855,000 | S$9,396 psm |
| Feb 2025 | Blk 421 · 4 ROOM · 19 TO 21 · Model A · 88 years left | 92 sqm | S$922,000 | S$10,022 psm |
| Feb 2025 | Blk 421 · 4 ROOM · 04 TO 06 · Model A · 88 years left | 91 sqm | S$850,000 | S$9,341 psm |
| Jan 2025 | Blk 421 · 3 ROOM · 25 TO 27 · Model A · 88 years left | 73 sqm | S$720,000 | S$9,863 psm |
| Nov 2024 | Blk 421 · 3 ROOM · 01 TO 03 · Model A · 88 years left | 73 sqm | S$616,888 | S$8,451 psm |
| Jul 2024 | Blk 421 · 4 ROOM · 16 TO 18 · Model A · 88 years left | 92 sqm | S$915,000 | S$9,946 psm |
| Jun 2024 | Blk 421 · 4 ROOM · 01 TO 03 · Model A · 88 years left | 92 sqm | S$755,000 | S$8,207 psm |
| May 2024 | Blk 421 · 3 ROOM · 25 TO 27 · Model A · 88 years left | 73 sqm | S$670,000 | S$9,178 psm |
| May 2024 | Blk 421 · 3 ROOM · 04 TO 06 · Model A · 88 years left | 74 sqm | S$600,000 | S$8,108 psm |
| Apr 2024 | Blk 421 · 4 ROOM · 34 TO 36 · Model A · 89 years left | 92 sqm | S$938,000 | S$10,196 psm |
| Mar 2024 | Blk 421 · 4 ROOM · 34 TO 36 · Model A · 89 years left | 100 sqm | S$935,888 | S$9,359 psm |
| Mar 2024 | Blk 421 · 4 ROOM · 13 TO 15 · Model A · 89 years left | 96 sqm | S$856,888 | S$8,926 psm |
| Feb 2024 | Blk 421 · 4 ROOM · 31 TO 33 · Model A · 89 years left | 92 sqm | S$888,000 | S$9,652 psm |
| Oct 2023 | Blk 421 · 4 ROOM · 16 TO 18 · Model A · 89 years left | 100 sqm | S$845,000 | S$8,450 psm |
| Oct 2023 | Blk 421 · 4 ROOM · 04 TO 06 · Model A · 89 years left | 100 sqm | S$803,000 | S$8,030 psm |
| Oct 2023 | Blk 421 · 3 ROOM · 07 TO 09 · Model A · 89 years left | 73 sqm | S$608,000 | S$8,329 psm |
| Oct 2023 | Blk 421 · 3 ROOM · 10 TO 12 · Model A · 89 years left | 73 sqm | S$598,000 | S$8,192 psm |
| Sept 2023 | Blk 421 · 4 ROOM · 25 TO 27 · Model A · 89 years left | 100 sqm | S$845,000 | S$8,450 psm |
| Sept 2023 | Blk 421 · 3 ROOM · 10 TO 12 · Model A · 89 years left | 74 sqm | S$600,000 | S$8,108 psm |
| Aug 2023 | Blk 421 · 3 ROOM · 31 TO 33 · Model A · 89 years left | 73 sqm | S$665,000 | S$9,110 psm |
| Jun 2023 | Blk 421 · 4 ROOM · 16 TO 18 · Model A · 89 years left | 100 sqm | S$822,888 | S$8,229 psm |
| Jun 2023 | Blk 421 · 3 ROOM · 10 TO 12 · Model A · 89 years left | 73 sqm | S$600,000 | S$8,219 psm |
| May 2023 | Blk 421 · 4 ROOM · 04 TO 06 · Model A · 89 years left | 96 sqm | S$808,000 | S$8,417 psm |
| Mar 2023 | Blk 421 · 4 ROOM · 37 TO 39 · Model A · 90 years left | 91 sqm | S$880,000 | S$9,670 psm |
| Mar 2023 | Blk 421 · 4 ROOM · 37 TO 39 · Model A · 90 years left | 91 sqm | S$868,888 | S$9,548 psm |
| Mar 2023 | Blk 421 · 4 ROOM · 04 TO 06 · Model A · 90 years left | 100 sqm | S$788,000 | S$7,880 psm |
| Feb 2023 | Blk 421 · 3 ROOM · 13 TO 15 · Model A · 90 years left | 74 sqm | S$585,000 | S$7,905 psm |
| Jan 2023 | Blk 421 · 4 ROOM · 16 TO 18 · Model A · 90 years left | 99 sqm | S$808,000 | S$8,162 psm |
| Dec 2022 | Blk 421 · 4 ROOM · 25 TO 27 · Model A · 90 years left | 100 sqm | S$840,000 | S$8,400 psm |
| Dec 2022 | Blk 421 · 4 ROOM · 25 TO 27 · Model A · 90 years left | 99 sqm | S$828,000 | S$8,364 psm |
| Oct 2022 | Blk 421 · 4 ROOM · 37 TO 39 · Model A · 90 years left | 91 sqm | S$840,000 | S$9,231 psm |
| Jul 2022 | Blk 421 · 3 ROOM · 19 TO 21 · Model A · 90 years left | 74 sqm | S$565,000 | S$7,635 psm |
| Jun 2022 | Blk 421 · 4 ROOM · 34 TO 36 · Model A · 90 years left | 99 sqm | S$850,000 | S$8,586 psm |
| May 2022 | Blk 421 · 4 ROOM · 10 TO 12 · Model A · 90 years left | 92 sqm | S$768,888 | S$8,357 psm |
| May 2022 | Blk 421 · 4 ROOM · 07 TO 09 · Model A · 90 years left | 92 sqm | S$675,000 | S$7,337 psm |
| Mar 2022 | Blk 421 · 4 ROOM · 31 TO 33 · Model A · 91 years left | 91 sqm | S$810,000 | S$8,901 psm |
| Mar 2022 | Blk 421 · 3 ROOM · 31 TO 33 · Model A · 91 years left | 74 sqm | S$590,000 | S$7,973 psm |
| Mar 2022 | Blk 421 · 3 ROOM · 31 TO 33 · Model A · 91 years left | 73 sqm | S$585,000 | S$8,014 psm |
| Nov 2021 | Blk 421 · 4 ROOM · 16 TO 18 · Model A · 91 years left | 92 sqm | S$760,000 | S$8,261 psm |
| Nov 2021 | Blk 421 · 4 ROOM · 16 TO 18 · Model A · 91 years left | 91 sqm | S$750,000 | S$8,242 psm |
See more
Showing 55 of 111.
Sale prices as filed in caveats.
| Period | Detail | Monthly rent | Per area |
|---|---|---|---|
| Jul 2026 | Blk 421 · 4 ROOM | S$5,000 | — |
| Jul 2026 | Blk 421 · 4 ROOM | S$4,500 | — |
| Mar 2026 | Blk 421 · 4 ROOM | S$3,700 | — |
| Feb 2026 | Blk 421 · 4 ROOM | S$4,000 | — |
| Jan 2026 | Blk 421 · 4 ROOM | S$4,200 | — |
| Jan 2026 | Blk 421 · 3 ROOM | S$3,200 | — |
| Dec 2025 | Blk 421 · 3 ROOM | S$2,500 | — |
| Jul 2025 | Blk 421 · 4 ROOM | S$5,000 | — |
| Jul 2025 | Blk 421 · 4 ROOM | S$4,600 | — |
| Jul 2025 | Blk 421 · 4 ROOM | S$4,500 | — |
| Jun 2025 | Blk 421 · 3 ROOM | S$3,700 | — |
| Apr 2025 | Blk 421 · 4 ROOM | S$4,500 | — |
| Apr 2025 | Blk 421 · 4 ROOM | S$3,700 | — |
| Apr 2025 | Blk 421 · 3 ROOM | S$3,400 | — |
| Apr 2025 | Blk 421 · 4 ROOM | S$3,000 | — |
| Mar 2025 | Blk 421 · 4 ROOM | S$3,900 | — |
| Nov 2024 | Blk 421 · 4 ROOM | S$3,600 | — |
| Sept 2024 | Blk 421 · 3 ROOM | S$3,800 | — |
| Aug 2024 | Blk 421 · 4 ROOM | S$4,700 | — |
| Aug 2024 | Blk 421 · 4 ROOM | S$4,500 | — |
| Aug 2024 | Blk 421 · 4 ROOM | S$3,200 | — |
| Jun 2024 | Blk 421 · 4 ROOM | S$4,600 | — |
| Jun 2024 | Blk 421 · 4 ROOM | S$2,900 | — |
| Apr 2024 | Blk 421 · 4 ROOM | S$4,000 | — |
| Apr 2024 | Blk 421 · 3 ROOM | S$3,400 | — |
| Apr 2024 | Blk 421 · 4 ROOM | S$3,200 | — |
| Feb 2024 | Blk 421 · 4 ROOM | S$1,800 | — |
| Jan 2024 | Blk 421 · 4 ROOM | S$4,000 | — |
| Jan 2024 | Blk 421 · 3 ROOM | S$3,600 | — |
| Dec 2023 | Blk 421 · 4 ROOM | S$4,800 | — |
| Dec 2023 | Blk 421 · 3 ROOM | S$3,200 | — |
| Oct 2023 | Blk 421 · 4 ROOM | S$3,000 | — |
| Sept 2023 | Blk 421 · 3 ROOM | S$4,100 | — |
| Jul 2023 | Blk 421 · 4 ROOM | S$4,500 | — |
| Jul 2023 | Blk 421 · 3 ROOM | S$2,800 | — |
| Jun 2023 | Blk 421 · 3 ROOM | S$3,800 | — |
| May 2023 | Blk 421 · 4 ROOM | S$2,400 | — |
| Apr 2023 | Blk 421 · 4 ROOM | S$3,200 | — |
| Mar 2023 | Blk 421 · 4 ROOM | S$3,100 | — |
| Dec 2022 | Blk 421 · 3 ROOM | S$1,800 | — |
| Sept 2022 | Blk 421 · 4 ROOM | S$5,000 | — |
| Sept 2022 | Blk 421 · 4 ROOM | S$2,600 | — |
| Aug 2022 | Blk 421 · 4 ROOM | S$1,800 | — |
| Jul 2022 | Blk 421 · 3 ROOM | S$3,400 | — |
| Jul 2022 | Blk 421 · 4 ROOM | S$2,600 | — |
| Jun 2022 | Blk 421 · 4 ROOM | S$2,900 | — |
| Jun 2022 | Blk 421 · 4 ROOM | S$2,100 | — |
| Apr 2022 | Blk 421 · 4 ROOM | S$3,500 | — |
| Mar 2022 | Blk 421 · 4 ROOM | S$2,000 | — |
| Feb 2022 | Blk 421 · 4 ROOM | S$1,800 | — |
| Oct 2021 | Blk 421 · 4 ROOM | S$2,500 | — |
| Sept 2021 | Blk 421 · 3 ROOM | S$2,400 | — |
| Jun 2021 | Blk 421 · 4 ROOM | S$2,550 | — |
| Apr 2021 | Blk 421 · 4 ROOM | S$2,500 | — |
| Apr 2021 | Blk 421 · 4 ROOM | S$2,400 | — |
| Mar 2021 | Blk 421 · 4 ROOM | S$3,000 | — |
| Jan 2021 | Blk 421 · 4 ROOM | S$2,500 | — |
| Jan 2021 | Blk 421 · 4 ROOM | S$2,250 | — |
Rents as approved by HDB, or as filed with URA for private homes, where the floor area is given as a band.
Buying or selling here?
Buying: Stamp duty · Cash and CPF needed · How much can I borrow · Monthly repayment.
Selling: Net proceeds from selling.
Nearby blocks
- Blk 464B Clementi Ave 1 · 123 m · 1 sale
- Blk 420 Clementi Ave 1 · 136 m · 73 sales
- Blk 423 Clementi Ave 1 · 178 m · 51 sales
- Blk 418 Clementi Ave 1 · 219 m · 45 sales
- Blk 411 C'wealth Ave West · 240 m · 30 sales
Clementi Ave 1 — full project history · 4-Room resale prices in Clementi · Completed in 2012