HDBOCRChoa Chu Kang

Block 640 Choa Chu Kang St 64

640 Choa Chu Kang St 64, Singapore 680640

Reviewed by Nathan TangUpdated 10 August 2026Data through Apr 2026 (HDB)
Quick Summary

Block 640 Choa Chu Kang St 64 is an HDB block in Choa Chu Kang, completed in 1996, with 136 dwelling units. Across 127 resales on record, 4-Room flats have recently resold around S$650k (S$564 psf, 100 sqm). The lease has approximately 71 years remaining.

1

What are the key facts about Block 640 Choa Chu Kang St 64?

Key Takeaway

Block 640 Choa Chu Kang St 64 is an HDB block in Choa Chu Kang, completed in 1996, with 136 dwelling units.

Town
Choa Chu Kang
Planning area
Choa Chu Kang
Completed
1996
Storeys
19
Total units
136
Flat model
Premium Apartment
Market segment
OCR
Median resale
S$650k
Last transacted
Apr 2026
Remaining lease
≈ 71 years
2

What are resale prices at Block 640 Choa Chu Kang St 64?

Key Takeaway

4-Room flats have recently resold around S$650k (S$564 psf), from 127 resales on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
4-Room70S$565,000recent100 sqmS$525 psf
Executive57S$726,000recent145 sqmS$465 psf

Live now: 5 flats listed for sale at this block (median asking S$980k) and 4 for rent (median S$1,000/mo) search all listings.

“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 Apr 2026.

3

What rent and yield does Block 640 Choa Chu Kang St 64 get?

Key Takeaway

Flats at Block 640 Choa Chu Kang St 64 have recently sublet for a median of S$3,100/mo, an indicative gross rental yield of about 5.7% (from 24 recent rental contracts).

Median rent

S$3,100/mo

24 recent contracts

Gross rental yield

5.7%

indicative, gross

Annual rent

S$37,200

median × 12 months

Flat typeContractsMedian rent
Executive6S$3,500/mo
4-Room23S$3,000/mo

HDB subletting requires the flat owner to have met the 5-year Minimum Occupation Period (MOP), so the rental sample per block is small — treat the yield as indicative. Latest contract Jun 2026. Source: HDB rental (subletting) data.

4

What has recently sold at Block 640 Choa Chu Kang St 64?

Key Takeaway

Block 640 Choa Chu Kang St 64 has 127 recorded resales; the most recent transacted at S$950,000 in Apr 2026 (HDB caveat data).

DateFlat typeStoreySizePrice
Apr 2026Executive13 TO 15145 sqmS$950,000
Mar 20264-Room07 TO 09100 sqmS$642,000
May 20254-Room10 TO 12100 sqmS$690,000
May 20254-Room13 TO 15100 sqmS$650,000
Apr 2025Executive16 TO 18145 sqmS$980,000
May 2024Executive16 TO 18145 sqmS$885,000
Apr 20244-Room10 TO 12100 sqmS$565,000
Apr 20244-Room16 TO 18100 sqmS$600,000
Mar 2023Executive10 TO 12145 sqmS$845,000
Feb 20234-Room01 TO 03100 sqmS$538,000
Aug 20224-Room16 TO 18100 sqmS$570,000
Jul 2022Executive16 TO 18145 sqmS$880,000
5

What flat types are in Block 640 Choa Chu Kang St 64?

Key Takeaway

Block 640 Choa Chu Kang St 64 has 136 units, mostly Executive flats of the Premium Apartment model.

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

Executive: 724-Room: 64
6

Where is Block 640 Choa Chu Kang St 64?

Key Takeaway

Block 640 Choa Chu Kang St 64 is an HDB block in Choa Chu Kang.

Block 640 Choa Chu Kang St 64 is an HDB block located along Choa Chu Kang St 64. The block is recorded as completed around 1996, with up to 19 storeys. It has an estimated 136 residential units based on the HDB property information dataset. Flat types in the block include 4-room and executive units.

The address is Block 640 Choa Chu Kang St 64, Singapore 680640. It is part of District 23, Hillview / Dairy Farm / Bukit Panjang / Choa Chu Kang, the Choa Chu Kang planning area. The block falls within the West Region and the OCR market segment.

The nearest rail connection is Yew Tee MRT, approximately 248m away, around 4 minutes on foot. Nearby amenities include YewTee Point for shopping, NTUC Fairprice Co-operative Ltd for groceries, Rail Corridor for greenery and recreation, and Yew Tee Community Club for community facilities.

7

How far is Block 640 Choa Chu Kang St 64 from MRT and schools?

Key Takeaway

The nearest MRT/LRT to Block 640 Choa Chu Kang St 64 is Yew Tee MRT, about 248 m away (~4 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.

  • Yew Tee Primary SchoolPrimary schoolwithin 1 km · P1 priority190 m
  • Unity Secondary SchoolSecondary schoolwithin 1 km470 m
  • Regent Secondary SchoolSecondary schoolwithin 1 km527 m
  • Kranji Primary SchoolPrimary schoolwithin 1 km · P1 priority535 m
  • Unity Primary SchoolPrimary schoolwithin 1 km · P1 priority642 m
  • De La Salle SchoolPrimary schoolwithin 1 km · P1 priority792 m
  • Kranji Secondary SchoolSecondary school1.3 km
  • Jurong Pioneer Junior CollegeJunior college1.6 km

Shops, food & parks

Mall: YewTee Point · 365 mSupermarket: NTUC Fairprice Co-operative Ltd · 365 mPark: Rail Corridor · 761 m

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

8

What does it cost to buy a flat at Block 640 Choa Chu Kang St 64?

Key Takeaway

Buying a flat at Block 640 Choa Chu Kang St 64 (~S$650k) needs about S$5,182/mo in income and S$2,441/mo in repayments, after S$14,100 stamp duty and a S$163k downpayment.

Illustrative, for a buyer at the recent median resale price (S$650k) — 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$14,100

BSD, tiered

Downpayment (25%)

S$163k

cash + CPF

Monthly instalment

S$2,441/mo

25y @ 3.5%

Income required

S$5,182/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.

Wondering whether it will hold its value? See do HDB flats actually make money? →

Keep going in the PropKaki app

Eyeing Block 640 Choa Chu Kang St 64? Ask what it's worth.

Recent transacted prices, what's nearby, and whether an asking price is fair.

PropKaki
What have flats at Block 640 Choa Chu Kang St 64 sold for recently?

Recent sales at Block 640 Choa Chu Kang St 64 land close to the town median — fair value, no big premium.

Ask anything about Singapore property…
9

Frequently asked questions about Block 640 Choa Chu Kang St 64

How much does a 4-Room flat at Block 640 Choa Chu Kang St 64 cost?

4-Room flats at Block 640 Choa Chu Kang St 64 have recently resold for a median of about S$650k (S$564 psf), from 127 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.

What are resale prices at Block 640 Choa Chu Kang St 64 by flat type?

4-Room ≈ S$565k; Executive ≈ S$726k (median resale, HDB caveats).

Is Block 640 Choa Chu Kang St 64 worth buying given its remaining lease?

Block 640 Choa Chu Kang St 64 has about 71 years left on its 99-year lease (completed 1996). That's a long runway, so CPF usage and bank financing are generally unrestricted. The figure is taken from the most recent transacted flat.

What is the rental yield at Block 640 Choa Chu Kang St 64?

Gross rental yield at Block 640 Choa Chu Kang St 64 is about 5.7%, based on a median subletting rent of about S$3,100/mo against a resale price of about S$650k. HDB subletting requires the owner to have met the 5-year MOP, so the per-block sample is small — treat this as indicative.

How much do I need to earn to buy a flat at Block 640 Choa Chu Kang St 64?

For a flat at about S$650k on a 25-year HDB-style loan, you'd need roughly S$5,182/mo in household income, with repayments around S$2,441/mo after a S$163k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.

What is the nearest MRT to Block 640 Choa Chu Kang St 64?

The nearest MRT/LRT station to Block 640 Choa Chu Kang St 64 is Yew Tee MRT, about 248 m away (~4 min walk).

Which primary schools are within 1 km of Block 640 Choa Chu Kang St 64?

Yew Tee Primary School, Kranji Primary School, Unity Primary School, De La Salle School are within 1 km of Block 640 Choa Chu Kang St 64 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

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