HDB › Clementi › Blk 420 Clementi Ave 1

Blk 420 Clementi Ave 1

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

Block ratingBAbove average on the evidence — within HDB

Updated 03-08-2026. A–E grades the block on the evidence; the 0–100 rating on a price for one flat is a separate number. HDB flats are rated on their own scale, against other HDB resales — an HDB band is never compared with a condo’s.

Rate a price at Blk 420 Clementi Ave 1.

Two ways in — both give the same 0–100 rating on the price, from the same evidence.

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Is this price fair?

See the verdict

Not a valuation — a reading of your price against the property dynamics. 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 mo18

3-room median · 12 moS$649,000 · 2 resales

4-room median · 12 moS$935,000 · 5 resales

Nearest MRT/LRTClementi · 0.7 km

Next-nearest MRT/LRTDover (1.1 km)

Nearest bus stopOpp Blk 420A (Clementi Ave 1) (110 m) · 10 within 400 m

Primary schools within 1 km2 · Clementi Primary School, Pei Tong Primary School

Nearest hawker centreClementi Ave 2 Blk 353 (Clementi Ave 2 Market/Cooked Food Centre) · 520 m · 3 within 1 km

Next-nearest hawker centreClementi Ave 3 Blk 448 (628 m)

Nearest parkTaman Mas Merah Playground · 511 m · 3 within 1 km

Next-nearest parkJalan Mas Kuning Playground (668 m)

Nearest supermarketSheng Siong Supermarket (420A Clementi Avenue 1) · 67 m · 7 within 1 km

Nearest wet marketBlk 353 Clementi Ave 2 · 522 m

Nearest shopping mall321 Clementi · 509 m · 4 within 1 km

ParkingSurface car park

Median rent · 4 RoomS$4,300/month · S$4.15 psf · 7 approved

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
Jul 2026	4-room	Model A	10 TO 12	92 sqm · 990 sqft	86 yrs	S$927,000	936
Jun 2026	3-room	Model A	04 TO 06	74 sqm · 797 sqft	86 yrs	S$648,000	813
Jun 2026	4-room	Model A	22 TO 24	96 sqm · 1,033 sqft	86 yrs	S$980,000	949
May 2026	3-room	Model A	04 TO 06	74 sqm · 797 sqft	86 yrs	S$650,000	816
May 2026	4-room	Model A	10 TO 12	96 sqm · 1,033 sqft	86 yrs	S$935,000	905
Dec 2025	4-room	Model A	28 TO 30	100 sqm · 1,076 sqft	86 yrs	S$980,000	911
Sep 2025	4-room	Model A	04 TO 06	96 sqm · 1,033 sqft	87 yrs	S$915,000	886
Jun 2025	4-room	Model A	04 TO 06	91 sqm · 980 sqft	87 yrs	S$850,000	867
Apr 2025	3-room	Model A	37 TO 39	74 sqm · 797 sqft	87 yrs	S$730,000	916
Apr 2025	4-room	Model A	16 TO 18	100 sqm · 1,076 sqft	87 yrs	S$938,000	872

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

Blk 420 Clementi Ave 1 at a glance

The same observed facts as the table above, drawn. Nothing here is modelled — every figure is a measurement, a count or a date from the public record.

Location map of Blk 420 Clementi Ave 1, a HDB resale block in Clementi, Singapore — Where it is.

Map of the area around Blk 420 Clementi Ave 1 in Clementi, showing 400 m and 1 km rings and 2 primary schools within 1 km — **Inner ring, 400 m:** 10 bus stops. **Outer ring, 1 km:** 2 primary schools · 3 hawker centres · 7 supermarkets · 3 parks.

About Blk 420 Clementi Ave 1

Blk 420 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/LRT station is Clementi, about 0.7 km away, with Dover the next station out (1.1 km), and 10 bus stops lie within 400 m. 2 primary schools sit within 1 km (Clementi Primary School, Pei Tong Primary School), and the nearest hawker centre is Clementi Ave 2 Blk 353 (Clementi Ave 2 Market/Cooked Food Centre). Taman Mas Merah Playground is the nearest park, about 511 m away, and residents park at a surface car park. The nearest supermarket is sheng siong supermarket (420a clementi avenue 1), about 67 m away, one of 7 within 1 km; the nearest wet market is blk 353 clementi ave 2 (522 m); the nearest shopping mall is 321 clementi (509 m). Over the last 12 months, the 3-room median here was S$649,000 across 2 resales. Over the past 24 months, 18 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 420 Clementi Ave 1 cost?

Over the last 12 months, 2 3-room resales were recorded here at a median of S$649,000. Whether a specific asking price is fair depends on the flat — its size, storey and remaining lease.

What is the remaining lease at Blk 420 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 420 Clementi Ave 1?

Clementi, about 0.7 km away. The next-nearest is Dover, about 1.1 km away.

Which primary schools are near Blk 420 Clementi Ave 1?

Within 1 km: Clementi Primary School, Pei Tong Primary School. Proximity to a school within 1 km is a registration priority under MOE's P1 rules.

Where do you shop near Blk 420 Clementi Ave 1?

Sheng Siong Supermarket (420A Clementi Avenue 1), about 67 m away, one of 7 within 1 km. The nearest wet market is Blk 353 Clementi Ave 2, about 522 m away. The nearest shopping mall is 321 Clementi, about 509 m away.

Does Blk 420 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.

What about Cash Over Valuation (COV) at Blk 420 Clementi Ave 1?

COV is the amount a buyer pays above HDB's official valuation — and that valuation is only issued after an Option to Purchase is granted, so nobody can know COV in advance. PriceVero does not predict valuations or COV. It rates a price against this block's lodged resales, which is the evidence available before the OTP.