421 Clementi Ave 1

HDB Block · in Clementi, Singapore · 99-year lease · Completed 2012

Data through 1 August 2026

Intro: 421 Clementi Ave 1 is an HDB block located along Clementi Avenue 1 within Clementi with a 99-year lease commencing in 2012. It was completed in 2012 with 300 units in total. So far it has been transacted a total of 109 times.

HDBClementi

Annual Returns

Avg annualized profit (past 1y)

5.6%

421 Clementi Ave 1 project details

Street

Clementi Avenue 1

Postal Code

120421

Unit Types

3 Room, 4 Room

Completion

2012

Total Units

300

Unit Size

785 - 1,076 sqft

Lease Remaining

85 yrs

MRT and LRT stations near 421 Clementi Ave 1

Clementi633 m MRTEW23

See details on nearby stations

Primary schools near 421 Clementi Ave 1

Pei Tong Primary School792 m
Clementi Primary School914 m

See details on nearby schools

421 Clementi Ave 1 price, PSF and transaction trends

01-08-2016

First Transacted

01-08-2026

Last Transacted

109

Total Transactions

421 Clementi Ave 1 transaction volume

New SaleSub SaleResale

Among the latest 12 recorded sales for 421 Clementi Ave 1, the median price was S$967,500 and the median PSF was S$923 psf. The newest record shown is from 1 August 2026. The annual project median was 40.9% higher in 2026 than in 2019; unit mix can affect year-to-year comparisons.

Recent 421 Clementi Ave 1 transactions

Date	Flat type / storey	Price	PSF	Size
1 August 2026	4 Room · 07 To 09	S$880,000	S$889 psf	990 sqft
1 June 2026	4 Room · 22 To 24	S$970,000	S$939 psf	1,033 sqft
1 May 2026	3 Room · 19 To 21	S$650,000	S$828 psf	785 sqft
1 April 2026	4 Room · 25 To 27	S$975,888	S$907 psf	1,076 sqft
1 March 2026	4 Room · 19 To 21	S$985,000	S$954 psf	1,033 sqft

421 Clementi Ave 1 median transaction PSF (S$)

421 Clementi Ave 1 annual price trend

Year	Median price	Median PSF	Recorded sales
2026	S$972,944	S$923 psf	6
2025	S$942,888	S$915 psf	11
2024	S$856,888	S$854 psf	9
2023	S$803,000	S$765 psf	15
2022	S$789,444	S$777 psf	10
2021	S$755,000	S$765 psf	6
2020	S$717,500	S$698 psf	12
2019	S$575,000	S$655 psf	14

84.0%

% Profitable

Profitable

Unprofitable

421 Clementi Ave 1 annualized profit %

View full details

Frequently asked questions about 421 Clementi Ave 1

How much do units at 421 Clementi Ave 1 cost?

The latest 12 recorded sales show a median price of S$967,500 and a median of S$923 psf. Actual prices vary by floor, size, facing, condition and sale date.

Is 421 Clementi Ave 1 freehold or leasehold?

421 Clementi Ave 1 has a tenure of 99-year lease.

When was 421 Clementi Ave 1 completed?

421 Clementi Ave 1 was completed in 2012 and the project has 300 units.

Which MRT or LRT station is nearest to 421 Clementi Ave 1?

Clementi is the nearest station shown, at an estimated straight-line distance of 633 metres.

Which primary schools are near 421 Clementi Ave 1?

The primary schools shown within the page’s one-kilometre search are Pei Tong Primary School (792 m) and Clementi Primary School (914 m). Distances are estimates and do not determine school-admission eligibility.

Data sources and methodology

Resale transaction records are based on HDB resale transaction data published on data.gov.sg. REALSMART calculates block-level medians, chart groupings, profitability indicators and straight-line distances. Data on this page runs through 1 August 2026. Figures are indicative and do not constitute financial advice.