Blk 421 Clementi Avenue 1

HDB · Clementi · Singapore 120421

Completed: 2012
Lease from: 2013 (99 years)
Storeys: 40
Resales since 1990: 111

Lease and eligibility context

About 86 years remain on the 99-year lease, based on its 2013 commencement year. This year-level figure is approximate.

A standard flat completed around 2012 would usually reach its 5-year MOP around 2017. The actual MOP starts from each owner’s key collection date, and special schemes can differ. Check HDB’s rule ↗

Indicative only. Check your dates and eligibility with HDB, CPF and your conveyancing adviser.

300 flats: 76 × 3-room, 224 × 4-room.

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Estimated value

Indicative building-level values from official sales. They are a starting point, not a valuation. A unit’s floor, size, condition and facing can change its price.

3-room

S$692,230.75

Typical range S$649,769.40–S$726,100.13

See the 17 comparable sales

Sale	Home	Original	Adjusted
May 202619 to 21	421 CLEMENTI AVENUE 1same building · 73 sqm	S$650,000market -0.1% · storey -9.6%	S$586,532.70
Mar 202513 to 15	421 CLEMENTI AVENUE 1same building · 74 sqm	S$728,000market +0.7% · storey -3.3%	S$709,089.33
Jan 202525 to 27	421 CLEMENTI AVENUE 1same building · 73 sqm	S$720,000market +0.7% · storey -15.5%	S$612,723.39
Oct 20267 to 9	418 CLEMENTI AVENUE 1same street · 70 sqm	S$702,000storey +3.4%	S$726,100.13
Jul 202613 to 15	424 CLEMENTI AVENUE 1same street · 73 sqm	S$715,000storey -3.3%	S$691,268.30
Jul 20264 to 6	423 CLEMENTI AVENUE 1same street · 75 sqm	S$710,000storey +7.0%	S$759,586.35
Jun 20264 to 6	420 CLEMENTI AVENUE 1same street · 74 sqm	S$648,000market -0.1% · storey +7.0%	S$692,230.75
May 20264 to 6	420 CLEMENTI AVENUE 1same street · 74 sqm	S$650,000market -0.1% · storey +7.0%	S$694,367.26
Aug 20257 to 9	424 CLEMENTI AVENUE 1same street · 73 sqm	S$740,188market -0.6% · storey +3.4%	S$761,088.99
Jul 202510 to 12	424 CLEMENTI AVENUE 1same street · 75 sqm	S$735,000market -0.6%	S$730,670.10
May 20257 to 9	417 CLEMENTI AVENUE 1same street · 73 sqm	S$713,000market -0.2% · storey +3.4%	S$736,023.89
Apr 202537 to 39	420 CLEMENTI AVENUE 1same street · 74 sqm	S$730,000market -0.2% · storey -26.2%	S$537,689.09
Mar 202510 to 12	417 CLEMENTI AVENUE 1same street · 75 sqm	S$700,000market +0.7%	S$705,223.88
Mar 20257 to 9	420 CLEMENTI AVENUE 1same street · 73 sqm	S$638,000market +0.7% · storey +3.4%	S$664,827.62
Jan 202516 to 18	417 CLEMENTI AVENUE 1same street · 73 sqm	S$690,000market +0.7% · storey -6.5%	S$649,769.40
Jan 202525 to 27	420 CLEMENTI AVENUE 1same street · 73 sqm	S$662,000market +0.7% · storey -15.5%	S$563,365.12
Dec 202413 to 15	424 CLEMENTI AVENUE 1same street · 75 sqm	S$670,000market +2.3% · storey -3.3%	S$662,818.52

Median of the adjusted sales; range is their middle 50%. Older HDB sales are adjusted with the official HDB Resale Price Index. Storey adjustments use observed premiums for the town and flat type. Method building-v1, sales through 2026-11-01.

4-room

S$969,674.64

Typical range S$940,085.12–S$1,016,806.04

See the 16 comparable sales

Sale	Home	Original	Adjusted
Oct 202628 to 30	421 CLEMENTI AVENUE 1same building · 91 sqm	S$980,000storey -7.4%	S$907,008.84
Sep 202622 to 24	421 CLEMENTI AVENUE 1same building · 96 sqm	S$996,888storey -1.5%	S$981,574.93
Aug 20267 to 9	421 CLEMENTI AVENUE 1same building · 92 sqm	S$880,000storey +14.9%	S$1,011,553.53
Jun 202622 to 24	421 CLEMENTI AVENUE 1same building · 96 sqm	S$970,000market -0.1% · storey -1.5%	S$953,687.08
Apr 202625 to 27	421 CLEMENTI AVENUE 1same building · 100 sqm	S$975,888market -0.1% · storey -4.5%	S$930,225.67
Mar 202619 to 21	421 CLEMENTI AVENUE 1same building · 96 sqm	S$985,000market -0.4% · storey +1.6%	S$995,940.10
Jan 202631 to 33	421 CLEMENTI AVENUE 1same building · 96 sqm	S$1,038,000market -0.4% · storey -10.3%	S$927,280.35
Nov 202522 to 24	421 CLEMENTI AVENUE 1same building · 91 sqm	S$978,000market -0.5% · storey -1.5%	S$957,774.34
Nov 202510 to 12	421 CLEMENTI AVENUE 1same building · 100 sqm	S$965,000market -0.5% · storey +11.4%	S$1,069,633.37
Aug 202522 to 24	421 CLEMENTI AVENUE 1same building · 100 sqm	S$970,000market -0.6% · storey -1.5%	S$949,473.44
Aug 202510 to 12	421 CLEMENTI AVENUE 1same building · 91 sqm	S$942,888market -0.6% · storey +11.4%	S$1,044,610.73
May 202525 to 27	421 CLEMENTI AVENUE 1same building · 92 sqm	S$965,000market -0.2% · storey -4.5%	S$919,393.78
Apr 20257 to 9	421 CLEMENTI AVENUE 1same building · 100 sqm	S$952,488market -0.2% · storey +14.9%	S$1,092,719.49
Feb 202519 to 21	421 CLEMENTI AVENUE 1same building · 92 sqm	S$922,000market +0.7% · storey +1.6%	S$943,371.61
Feb 20254 to 6	421 CLEMENTI AVENUE 1same building · 91 sqm	S$855,000market +0.7% · storey +18.6%	S$1,021,285.35
Feb 20254 to 6	421 CLEMENTI AVENUE 1same building · 91 sqm	S$850,000market +0.7% · storey +18.6%	S$1,015,312.93

Prices by flat type

Flat type	Last 12 months	Median price	Median S$ psf	Latest sale
3-room	1 sold	S$650,000	827	S$650,000 in May 2026
4-room	9 sold	S$978,000	953	S$980,000 in Oct 2026

Price history

Quarterly median sale price. Hover or focus a point for its value.

3-room

4-room

Getting around

Clementi MRT StationExit C11 min walk880 m
Dover MRT StationExit A18 min walk1.4 km

Walking routes from OneMap to the nearest exit.

Schools nearby

Primary, within 1 km

Pei Tong Primary School790 m
Clementi Primary School880 m

Primary, 1 to 2 km

Other schools within 1 km

Nan Hua High School110 m
Nus High School of Mathematics and Science400 m
New Town Secondary School540 m
School of Science and Technology, Singapore760 m
Kent Ridge Secondary School950 m

Approximate straight-line distances from the building. For primary school registration, check the exact distance on OneMap’s school query ↗.

Food & shopping nearby

Hawker centres

Clementi Ave 3 Blk 44851 cooked-food stalls630 m
Clementi Ave 2 Blk 353 (Clementi Ave 2 Market/Cooked Food Centre)18 cooked-food stalls640 m
Clementi West Street 2 Blk 72660 cooked-food stalls740 m

Shopping malls

Clementi Avenue 2 Shopping Centre354 CLEMENTI AVENUE 2 CLEMENTI AVENUE 2 SHOPPING CENTRE SINGAPORE 120354560 m
Grantral Mall @ Clementi3151 COMMONWEALTH AVENUE WEST GRANTRAL MALL @ CLEMENTI SINGAPORE 129581670 m
The Clementi Mall3155 COMMONWEALTH AVENUE WEST THE CLEMENTI MALL SINGAPORE 129588780 m

Nearest places within 3 km. Approximate straight-line distance from the building. Sources: NEA via data.gov.sg and OneMap.

Location

Latest 30 of 111 sales

Month	Flat type	Storey	Size	Price	S$ psf
Oct 2026	4-roomModel A	28 to 30	91 sqm (980 sqft)	S$980,000	1,000
Sep 2026	4-roomModel A	22 to 24	96 sqm (1,033 sqft)	S$996,888	965
Aug 2026	4-roomModel A	7 to 9	92 sqm (990 sqft)	S$880,000	889
Jun 2026	4-roomModel A	22 to 24	96 sqm (1,033 sqft)	S$970,000	939
May 2026	3-roomModel A	19 to 21	73 sqm (786 sqft)	S$650,000	827
Apr 2026	4-roomModel A	25 to 27	100 sqm (1,076 sqft)	S$975,888	907
Mar 2026	4-roomModel A	19 to 21	96 sqm (1,033 sqft)	S$985,000	953
Jan 2026	4-roomModel A	31 to 33	96 sqm (1,033 sqft)	S$1,038,000	1,005
Nov 2025	4-roomModel A	22 to 24	91 sqm (980 sqft)	S$978,000	998
Nov 2025	4-roomModel A	10 to 12	100 sqm (1,076 sqft)	S$965,000	897
Aug 2025	4-roomModel A	22 to 24	100 sqm (1,076 sqft)	S$970,000	901
Aug 2025	4-roomModel A	10 to 12	91 sqm (980 sqft)	S$942,888	963
May 2025	4-roomModel A	25 to 27	92 sqm (990 sqft)	S$965,000	974
Apr 2025	4-roomModel A	7 to 9	100 sqm (1,076 sqft)	S$952,488	885
Mar 2025	3-roomModel A	13 to 15	74 sqm (797 sqft)	S$728,000	914
Feb 2025	4-roomModel A	19 to 21	92 sqm (990 sqft)	S$922,000	931
Feb 2025	4-roomModel A	4 to 6	91 sqm (980 sqft)	S$855,000	873
Feb 2025	4-roomModel A	4 to 6	91 sqm (980 sqft)	S$850,000	868
Jan 2025	3-roomModel A	25 to 27	73 sqm (786 sqft)	S$720,000	916
Nov 2024	3-roomModel A	1 to 3	73 sqm (786 sqft)	S$616,888	785
Jul 2024	4-roomModel A	16 to 18	92 sqm (990 sqft)	S$915,000	924
Jun 2024	4-roomModel A	1 to 3	92 sqm (990 sqft)	S$755,000	762
May 2024	3-roomModel A	25 to 27	73 sqm (786 sqft)	S$670,000	853
May 2024	3-roomModel A	4 to 6	74 sqm (797 sqft)	S$600,000	753
Apr 2024	4-roomModel A	34 to 36	92 sqm (990 sqft)	S$938,000	947
Mar 2024	4-roomModel A	34 to 36	100 sqm (1,076 sqft)	S$935,888	869
Mar 2024	4-roomModel A	13 to 15	96 sqm (1,033 sqft)	S$856,888	829
Feb 2024	4-roomModel A	31 to 33	92 sqm (990 sqft)	S$888,000	897
Oct 2023	4-roomModel A	16 to 18	100 sqm (1,076 sqft)	S$845,000	785
Oct 2023	4-roomModel A	4 to 6	100 sqm (1,076 sqft)	S$803,000	746

HDB publishes a storey range, not the unit number. Sizes include any recess area bought and space added by upgrading. Source: HDB resale flat prices, data.gov.sg.