Block 643 Choa Chu Kang St 64
643 Choa Chu Kang St 64, Singapore 680643
Block 643 Choa Chu Kang St 64 is an HDB block in Choa Chu Kang, completed in 1996, with 80 dwelling units. Across 91 resales on record, 5-Room flats have recently resold around S$660k (S$517 psf, 123 sqm). The lease has approximately 71 years remaining.
What are the key facts about Block 643 Choa Chu Kang St 64?
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
- Flat model
- Premium Apartment · Premium Maisonette
- Market segment
- OCR
- Median resale
- S$660k
- Last transacted
- Mar 2026
- Remaining lease
- ≈ 71 years
What are resale prices at Block 643 Choa Chu Kang St 64?
5-Room flats have recently resold around S$660k (S$517 psf), from 91 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 36 | S$428,000recent | 100 sqm | S$398 psf |
| 5-Room | 50 | S$660,000recent | 123 sqm | S$499 psf |
| Executive | 5 | S$535,000recent | 182 sqm | S$270 psf |
Live now: 3 flats listed for sale at this block (median asking S$628k) and 1 for rent — 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 Mar 2026.
What rent and yield does Block 643 Choa Chu Kang St 64 get?
Flats at Block 643 Choa Chu Kang St 64 have recently sublet for a median of S$3,000/mo, an indicative gross rental yield of about 5.5% (from 15 recent rental contracts).
Median rent
S$3,000/mo
15 recent contracts
Gross rental yield
5.5%
indicative, gross
Annual rent
S$36,000
median × 12 months
| Flat type | Contracts | Median rent |
|---|---|---|
| 4-Room | 6 | S$3,000/mo |
| 5-Room | 9 | S$3,500/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 Apr 2026. Source: HDB rental (subletting) data.
What has recently sold at Block 643 Choa Chu Kang St 64?
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).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Mar 2026 | 5-Room | 04 TO 06 | 123 sqm | S$783,000 |
| Jul 2024 | 4-Room | 01 TO 03 | 100 sqm | S$580,000 |
| Apr 2024 | 4-Room | 07 TO 09 | 100 sqm | S$573,888 |
| Mar 2024 | 4-Room | 10 TO 12 | 100 sqm | S$588,888 |
| Dec 2023 | 5-Room | 01 TO 03 | 123 sqm | S$665,588 |
| Aug 2023 | 5-Room | 07 TO 09 | 123 sqm | S$695,000 |
| Apr 2023 | 5-Room | 07 TO 09 | 123 sqm | S$660,000 |
| Jan 2023 | 5-Room | 10 TO 12 | 123 sqm | S$690,000 |
| Apr 2022 | 5-Room | 07 TO 09 | 123 sqm | S$680,000 |
| Mar 2022 | 4-Room | 10 TO 12 | 100 sqm | S$535,000 |
| Nov 2021 | 5-Room | 07 TO 09 | 123 sqm | S$683,888 |
| Aug 2021 | 5-Room | 04 TO 06 | 123 sqm | S$600,000 |
What flat types are in Block 643 Choa Chu Kang St 64?
Block 643 Choa Chu Kang St 64 has 80 units, mostly 5-Room flats of the Premium Apartment / Premium Maisonette model.
Unit stock by flat type, from the HDB property information dataset.
Where is Block 643 Choa Chu Kang St 64?
Block 643 Choa Chu Kang St 64 is an HDB block in Choa Chu Kang.
Block 643 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 12 storeys. It has an estimated 80 residential units based on the HDB property information dataset. Flat types in the block include 4-room, 5-room, and executive units.
The address is Block 643 Choa Chu Kang St 64, Singapore 680643. 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 176m away, around 3 minutes on foot. Nearby amenities include YewTee Point for shopping, NTUC Fairprice Co-operative Ltd for groceries, Choa Chu Kang Way Park (Pd Worksite) for greenery and recreation, and Yew Tee Community Club for community facilities.
How far is Block 643 Choa Chu Kang St 64 from MRT and schools?
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
- Yew Tee MRT176 m · ~3 min
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
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 643 Choa Chu Kang St 64?
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.
Wondering whether it will hold its value? See do HDB flats actually make money? →
Eyeing Block 643 Choa Chu Kang St 64? Ask what it's worth.
Recent transacted prices, what's nearby, and whether an asking price is fair.
PropKakiRecent sales at Block 643 Choa Chu Kang St 64 land close to the town median — fair value, no big premium.
Frequently asked questions about Block 643 Choa Chu Kang St 64
How much does a 5-Room flat at Block 643 Choa Chu Kang St 64 cost?⌄
5-Room flats at Block 643 Choa Chu Kang St 64 have recently resold for a median of about S$660k (S$517 psf), from 91 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.
What are resale prices at Block 643 Choa Chu Kang St 64 by flat type?⌄
4-Room ≈ S$428k; 5-Room ≈ S$660k; Executive ≈ S$535k (median resale, HDB caveats).
Is Block 643 Choa Chu Kang St 64 worth buying given its remaining lease?⌄
Block 643 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 643 Choa Chu Kang St 64?⌄
Gross rental yield at Block 643 Choa Chu Kang St 64 is about 5.5%, based on a median subletting rent of about S$3,000/mo against a resale price of about S$660k. 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 643 Choa Chu Kang St 64?⌄
For a flat at about S$660k on a 25-year HDB-style loan, you'd need roughly S$5,261/mo in household income, with repayments around S$2,478/mo after a S$165k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.
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.