HDB › Clementi › Blk 421 Clementi Ave 1

Blk 421 Clementi Ave 1

Clementi · Completed 2012 · 99-year lease · 40 storeys

Rating BAbove average on the evidence — within HDB

Updated 03-08-2026. HDB flats are rated on their own scale, against other HDB resales — an HDB band is never compared with a condo’s. The 0–100 rating for a specific flat depends on its price.

Is a price fair for this block?

The same rating a pasted listing gets — name a flat type, size and price and see how it reads against the published record. Sign in free to check; HDB’s price check is rolling out.

Not a valuation. HDB issues its official valuation only after an Option to Purchase is granted — this check is for before that moment.

What the record shows

Observed facts from official records — HDB resale transactions (Singapore Open Data Licence), HDB property information and routed distances. No account needed.

Remaining lease86 years · to 2111

Full CPF useBuyers aged 21+ (lease covers to age 95)

Flats in block3-room ×76 · 4-room ×224

Flat modelsModel A

Storeys40

Completed2012

Resales lodged · 24 mo17

3-room median · 12 moS$650,000 · 1 resale

4-room median · 12 moS$972,944 · 8 resales

Nearest MRTClementi · 0.8 km

Bus stops within 400 m10

Primary schools within 1 km2

Nearest hawker centreClementi Ave 3 Blk 448 · 630 m

Nearest park410 m

Recent resale transactions

As published by HDB, monthly. Storey is a range and the floor area is the actual registered area — the record a price is rated against.

Month	Flat type	Model	Storey	Floor area	Lease left	Price	S$ psf
Jun 2026	4-room	Model A	22 TO 24	96 sqm · 1,033 sqft	86 yrs	S$970,000	939
May 2026	3-room	Model A	19 TO 21	73 sqm · 786 sqft	86 yrs	S$650,000	827
Apr 2026	4-room	Model A	25 TO 27	100 sqm · 1,076 sqft	86 yrs	S$975,888	907
Mar 2026	4-room	Model A	19 TO 21	96 sqm · 1,033 sqft	86 yrs	S$985,000	954
Jan 2026	4-room	Model A	31 TO 33	96 sqm · 1,033 sqft	86 yrs	S$1,038,000	1005
Nov 2025	4-room	Model A	10 TO 12	100 sqm · 1,076 sqft	86 yrs	S$965,000	897
Nov 2025	4-room	Model A	22 TO 24	91 sqm · 980 sqft	86 yrs	S$978,000	998
Aug 2025	4-room	Model A	10 TO 12	91 sqm · 980 sqft	87 yrs	S$942,888	962
Aug 2025	4-room	Model A	22 TO 24	100 sqm · 1,076 sqft	87 yrs	S$970,000	901
May 2025	4-room	Model A	25 TO 27	92 sqm · 990 sqft	87 yrs	S$965,000	975

Contains information from HDB resale transaction data accessed via data.gov.sg, made available under the Singapore Open Data Licence.

About Blk 421 Clementi Ave 1

Blk 421 Clementi Ave 1 is a 40-storey HDB block in Clementi, completed in 2012, with about 86 years remaining on its 99-year lease. The nearest MRT is Clementi, about 0.8 km away, and 10 bus stops lie within 400 m. 2 primary schools sit within 1 km, and the nearest hawker centre is Clementi Ave 3 Blk 448. Over the last 12 months, the 3-room median here was S$650,000 across 1 resale. Over the past 24 months, 17 resales in this block have been published by HDB. Every figure carries the date of the evidence behind it; this page was last updated 03-08-2026.

Frequently asked

How much does a 3-room flat at Blk 421 Clementi Ave 1 cost?

Over the last 12 months, 1 3-room resale was recorded here at a median of S$650,000. Whether a specific asking price is fair depends on the flat — its size, storey and remaining lease.

What is the remaining lease at Blk 421 Clementi Ave 1?

About 86 years, to 2111, as of 03-08-2026. HDB flats are on a 99-year lease.

Can I use full CPF for a flat in this block?

The remaining lease covers a buyer aged 21 or older to age 95, the threshold for unrestricted CPF use under current rules; younger buyers face pro-rated limits. This is a statement of the published rule, not financial advice.

Which MRT station is nearest to Blk 421 Clementi Ave 1?

Clementi, about 0.8 km away.

Does Blk 421 Clementi Ave 1 have a PriceVero rating?

Yes — a block rating of B on an A–E scale, measured within HDB resales only and never compared with a condominium. The 0–100 rating for a specific flat depends on its price, which only exists when you name it.