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Block 427 Clementi Ave 3

427 Clementi Ave 3, Singapore 120427

Reviewed by Nathan TangUpdated 21 June 2026Data through Jul 2025 (HDB)
Quick Summary

Block 427 Clementi Ave 3 is an HDB block in Clementi, completed in 1977, with 154 dwelling units. 3-Room flats have recently resold around S$450k (67 sqm), from 202 resales on record. The lease has approximately 52 years remaining.

1

What are the key facts about Block 427 Clementi Ave 3?

Key Takeaway

Block 427 Clementi Ave 3 is an HDB block in Clementi, completed in 1977, with 154 dwelling units.

Town
Clementi
Planning area
Clementi
Completed
1977
Storeys
12
Total units
154
Market segment
RCR
Median resale
S$450k
Last transacted
Jul 2025
Remaining lease
≈ 52 years
2

What are resale prices at Block 427 Clementi Ave 3?

Key Takeaway

3-Room flats have recently resold around S$450k (S$562 psf), from 202 resales on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
3-Room166S$420,000recent67 sqmS$513 psf
4-Room36S$500,000recent91 sqmS$510 psf

“Recent” medians use the latest transactions; for older blocks the all-time median spans 30+ years and understates today’s price. Source: HDB resale caveats, through Jul 2025.

3

What has recently sold at Block 427 Clementi Ave 3?

Key Takeaway

Block 427 Clementi Ave 3 has 202 recorded resales; the most recent transacted at S$622,000 in Jul 2025 (HDB caveat data).

DateFlat typeStoreySizePrice
Jul 20254-Room04 TO 0691 sqmS$622,000
Jul 20253-Room10 TO 1267 sqmS$472,000
May 20253-Room10 TO 1267 sqmS$460,000
May 20253-Room10 TO 1267 sqmS$470,000
Oct 20243-Room04 TO 0667 sqmS$436,000
Apr 20243-Room10 TO 1267 sqmS$420,000
Aug 20234-Room07 TO 0991 sqmS$550,000
Jul 20223-Room04 TO 0681 sqmS$440,888
Apr 20223-Room01 TO 0381 sqmS$450,000
Sept 20213-Room01 TO 0367 sqmS$370,000
Nov 20203-Room01 TO 0367 sqmS$322,000
Oct 20204-Room01 TO 0391 sqmS$470,000
4

What flat types are in Block 427 Clementi Ave 3?

Key Takeaway

Block 427 Clementi Ave 3 has 154 units, mostly 3-Room flats.

Unit stock by flat type, from the HDB property information dataset.

3-Room: 1324-Room: 22
5

How far is Block 427 Clementi Ave 3 from MRT and schools?

Key Takeaway

The nearest MRT/LRT to Block 427 Clementi Ave 3 is Clementi MRT, about 382 m away (~6 min walk). 7 schools are within 1 km, including 4 primary schools.

Getting around

Schools nearby

Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

  • Clementi Primary SchoolPrimary schoolwithin 1 km · P1 priority352 m
  • Clementi Town Secondary SchoolSecondary schoolwithin 1 km444 m
  • Pei Tong Primary SchoolPrimary schoolwithin 1 km · P1 priority632 m
  • Nan Hua High SchoolSecondary schoolwithin 1 km682 m
  • Qifa Primary SchoolPrimary schoolwithin 1 km · P1 priority798 m
  • Nan Hua Primary SchoolPrimary schoolwithin 1 km · P1 priority859 m
  • Nus High School Of Mathematics And ScienceMixed-level schoolwithin 1 km969 m
  • New Town Secondary SchoolSecondary school1.1 km

Shops, food & parks

Mall: The Clementi Mall · 333 mSupermarket: NTUC Fairprice Co-operative Ltd · 195 mHawker centre: Blk 448 Clementi Ave 3 · 170 mPark: Taman Mas Merah Playground · 378 m

Straight-line distances from the block. Source: PropKaki amenities data.

6

What does it cost to buy a flat at Block 427 Clementi Ave 3?

Key Takeaway

Buying a flat at Block 427 Clementi Ave 3 (~S$450k) needs about S$3,587/mo in income and S$1,690/mo in repayments, after S$8,100 stamp duty and a S$113k downpayment.

Illustrative, for a buyer at the recent median resale price (S$450k) — 25% downpayment (bank-loan basis), 25-year loan at 3.5% p.a. Rates as of May 2026. Run it for your own profile →

Buyer's Stamp Duty

S$8,100

BSD, tiered

Downpayment (25%)

S$113k

cash + CPF

Monthly instalment

S$1,690/mo

25y @ 3.5%

Income required

S$3,587/mo

MSR/TDSR @ stress rate

First-time HDB buyers pay no Additional Buyer’s Stamp Duty (ABSD) and may qualify for CPF Housing Grants of up to S$80,000+, which lower the cash required — these are not included above. An HDB concessionary loan also allows a smaller downpayment.

7

Frequently asked questions about Block 427 Clementi Ave 3

What is the resale price at Block 427 Clementi Ave 3?

3-Room flats at Block 427 Clementi Ave 3 have recently resold around S$450k (67 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.

How much are flats at Block 427 Clementi Ave 3 by flat type?

3-Room ≈ S$420k; 4-Room ≈ S$500k. Figures are median resale prices from HDB caveats.

How many years are left on the lease at Block 427 Clementi Ave 3?

Block 427 Clementi Ave 3 has approximately 52 years left on its 99-year lease (completed 1977). This figure is taken from the most recent transacted flat.

How many units are in Block 427 Clementi Ave 3?

Block 427 Clementi Ave 3 has 154 dwelling units across up to 12 storeys, mostly 3 room flats.

What is the nearest MRT to Block 427 Clementi Ave 3?

The nearest MRT/LRT station to Block 427 Clementi Ave 3 is Clementi MRT, about 382 m away (~6 min walk).

Which primary schools are within 1 km of Block 427 Clementi Ave 3?

Clementi Primary School, Pei Tong Primary School, Qifa Primary School, Nan Hua Primary School are within 1 km of Block 427 Clementi Ave 3 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

Is Block 427 Clementi Ave 3 a good place to buy an HDB resale flat?

Block 427 Clementi Ave 3 sits in Clementi, in the Clementi planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈52 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.

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