PropKaki
HDBOCRChoa Chu Kang

Block 643 Choa Chu Kang St 64

643 Choa Chu Kang St 64, Singapore 680643

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

Block 643 Choa Chu Kang St 64 is an HDB block in Choa Chu Kang, completed in 1996, with 80 dwelling units. 5-Room flats have recently resold around S$660k (123 sqm), from 91 resales on record. The lease has approximately 71 years remaining.

1

What are the key facts about Block 643 Choa Chu Kang St 64?

Key Takeaway

Block 643 Choa Chu Kang St 64 is an HDB block in Choa Chu Kang, completed in 1996, with 80 dwelling units.

Town
Choa Chu Kang
Planning area
Choa Chu Kang
Completed
1996
Storeys
12
Total units
80
Market segment
OCR
Median resale
S$660k
Last transacted
Mar 2026
Remaining lease
≈ 71 years
2

What are resale prices at Block 643 Choa Chu Kang St 64?

Key Takeaway

5-Room flats have recently resold around S$660k (S$517 psf), from 91 resales on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
4-Room36S$428,000recent100 sqmS$398 psf
5-Room50S$660,000recent123 sqmS$499 psf
Executive5S$535,000recent182 sqmS$270 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 Mar 2026.

3

What has recently sold at Block 643 Choa Chu Kang St 64?

Key Takeaway

Block 643 Choa Chu Kang St 64 has 91 recorded resales; the most recent transacted at S$783,000 in Mar 2026 (HDB caveat data).

DateFlat typeStoreySizePrice
Mar 20265-Room04 TO 06123 sqmS$783,000
Jul 20244-Room01 TO 03100 sqmS$580,000
Apr 20244-Room07 TO 09100 sqmS$573,888
Mar 20244-Room10 TO 12100 sqmS$588,888
Dec 20235-Room01 TO 03123 sqmS$665,588
Aug 20235-Room07 TO 09123 sqmS$695,000
Apr 20235-Room07 TO 09123 sqmS$660,000
Jan 20235-Room10 TO 12123 sqmS$690,000
Apr 20225-Room07 TO 09123 sqmS$680,000
Mar 20224-Room10 TO 12100 sqmS$535,000
Nov 20215-Room07 TO 09123 sqmS$683,888
Aug 20215-Room04 TO 06123 sqmS$600,000
4

What flat types are in Block 643 Choa Chu Kang St 64?

Key Takeaway

Block 643 Choa Chu Kang St 64 has 80 units, mostly 5-Room flats.

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

5-Room: 404-Room: 32Executive: 8
5

How far is Block 643 Choa Chu Kang St 64 from MRT and schools?

Key Takeaway

The nearest MRT/LRT to Block 643 Choa Chu Kang St 64 is Yew Tee MRT, about 176 m away (~3 min walk). 6 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.

  • Unity Secondary SchoolSecondary schoolwithin 1 km330 m
  • Yew Tee Primary SchoolPrimary schoolwithin 1 km · P1 priority332 m
  • Unity Primary SchoolPrimary schoolwithin 1 km · P1 priority517 m
  • Kranji Primary SchoolPrimary schoolwithin 1 km · P1 priority573 m
  • Regent Secondary SchoolSecondary schoolwithin 1 km647 m
  • De La Salle SchoolPrimary schoolwithin 1 km · P1 priority738 m
  • Kranji Secondary SchoolSecondary school1.3 km
  • Jurong Pioneer Junior CollegeJunior college1.7 km

Shops, food & parks

Mall: YewTee Point · 298 mSupermarket: NTUC Fairprice Co-operative Ltd · 298 mPark: Choa Chu Kang Way Park (Pd Worksite) · 757 m

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

6

What does it cost to buy a flat at Block 643 Choa Chu Kang St 64?

Key Takeaway

Buying a flat at Block 643 Choa Chu Kang St 64 (~S$660k) needs about S$5,261/mo in income and S$2,478/mo in repayments, after S$14,400 stamp duty and a S$165k downpayment.

Illustrative, for a buyer at the recent median resale price (S$660k) — 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$14,400

BSD, tiered

Downpayment (25%)

S$165k

cash + CPF

Monthly instalment

S$2,478/mo

25y @ 3.5%

Income required

S$5,261/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 643 Choa Chu Kang St 64

What is the resale price at Block 643 Choa Chu Kang St 64?

5-Room flats at Block 643 Choa Chu Kang St 64 have recently resold around S$660k (123 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.

How much are flats at Block 643 Choa Chu Kang St 64 by flat type?

4-Room ≈ S$428k; 5-Room ≈ S$660k; Executive ≈ S$535k. Figures are median resale prices from HDB caveats.

How many years are left on the lease at Block 643 Choa Chu Kang St 64?

Block 643 Choa Chu Kang St 64 has approximately 71 years left on its 99-year lease (completed 1996). This figure is taken from the most recent transacted flat.

How many units are in Block 643 Choa Chu Kang St 64?

Block 643 Choa Chu Kang St 64 has 80 dwelling units across up to 12 storeys, mostly 5 room flats.

What is the nearest MRT to Block 643 Choa Chu Kang St 64?

The nearest MRT/LRT station to Block 643 Choa Chu Kang St 64 is Yew Tee MRT, about 176 m away (~3 min walk).

Which primary schools are within 1 km of Block 643 Choa Chu Kang St 64?

Yew Tee Primary School, Unity Primary School, Kranji Primary School, De La Salle School are within 1 km of Block 643 Choa Chu Kang St 64 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

Is Block 643 Choa Chu Kang St 64 a good place to buy an HDB resale flat?

Block 643 Choa Chu Kang St 64 sits in Choa Chu Kang, in the Choa Chu Kang planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈71 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.

Chat on WhatsApp
Try Now on WhatsApp