Block 637 Choa Chu Kang Nth 6
637 Choa Chu Kang Nth 6, Singapore 680637
Block 637 Choa Chu Kang Nth 6 is an HDB block in Choa Chu Kang, completed in 1996, with 85 dwelling units. Across 77 resales on record, 4-Room flats have recently resold around S$525k (S$432 psf, 113 sqm). The lease has approximately 71 years remaining.
What are the key facts about Block 637 Choa Chu Kang Nth 6?
Block 637 Choa Chu Kang Nth 6 is an HDB block in Choa Chu Kang, completed in 1996, with 85 dwelling units.
- Town
- Choa Chu Kang
- Planning area
- Choa Chu Kang
- Completed
- 1996
- Storeys
- 14
- Total units
- 85
- Flat model
- Premium Apartment · Premium Maisonette
- Market segment
- OCR
- Median resale
- S$525k
- Last transacted
- Feb 2026
- Remaining lease
- ≈ 71 years
What are resale prices at Block 637 Choa Chu Kang Nth 6?
4-Room flats have recently resold around S$525k (S$432 psf), from 77 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 66 | S$460,000recent | 113 sqm | S$378 psf |
| Executive | 11 | S$485,000recent | 142 sqm | S$317 psf |
Live now: 0 flats listed for sale at this block and 7 for rent (median S$4,000/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 Feb 2026.
What rent and yield does Block 637 Choa Chu Kang Nth 6 get?
Flats at Block 637 Choa Chu Kang Nth 6 have recently sublet for a median of S$3,000/mo, an indicative gross rental yield of about 6.9% (from 20 recent rental contracts).
Median rent
S$3,000/mo
20 recent contracts
Gross rental yield
6.9%
indicative, gross
Annual rent
S$36,000
median × 12 months
| Flat type | Contracts | Median rent |
|---|---|---|
| Executive | 7 | S$3,300/mo |
| 4-Room | 13 | S$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 Mar 2026. Source: HDB rental (subletting) data.
What has recently sold at Block 637 Choa Chu Kang Nth 6?
Block 637 Choa Chu Kang Nth 6 has 77 recorded resales; the most recent transacted at S$635,000 in Feb 2026 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Feb 2026 | 4-Room | 07 TO 09 | 113 sqm | S$635,000 |
| Sept 2025 | Executive | 13 TO 15 | 143 sqm | S$858,000 |
| Jun 2025 | 4-Room | 07 TO 09 | 113 sqm | S$650,000 |
| Dec 2024 | Executive | 07 TO 09 | 142 sqm | S$830,888 |
| Dec 2023 | Executive | 04 TO 06 | 142 sqm | S$740,000 |
| Aug 2023 | 4-Room | 13 TO 15 | 113 sqm | S$638,000 |
| Jan 2023 | 4-Room | 01 TO 03 | 113 sqm | S$525,000 |
| Jul 2022 | 4-Room | 01 TO 03 | 113 sqm | S$505,000 |
| Jul 2021 | 4-Room | 07 TO 09 | 113 sqm | S$490,000 |
| Aug 2020 | 4-Room | 04 TO 06 | 113 sqm | S$450,000 |
| Jun 2020 | 4-Room | 10 TO 12 | 113 sqm | S$458,000 |
| Aug 2019 | 4-Room | 10 TO 12 | 113 sqm | S$455,000 |
What flat types are in Block 637 Choa Chu Kang Nth 6?
Block 637 Choa Chu Kang Nth 6 has 85 units, mostly 4-Room flats of the Premium Apartment / Premium Maisonette model.
Unit stock by flat type, from the HDB property information dataset.
Where is Block 637 Choa Chu Kang Nth 6?
Block 637 Choa Chu Kang Nth 6 is an HDB block in Choa Chu Kang.
Block 637 Choa Chu Kang Nth 6 is an HDB block located along Choa Chu Kang Nth 6. The block is recorded as completed around 1996, with up to 14 storeys. It has an estimated 85 residential units based on the HDB property information dataset. Flat types in the block include 4-room and executive units.
The address is Block 637 Choa Chu Kang Nth 6, Singapore 680637. 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 83m away, around 1 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 637 Choa Chu Kang Nth 6 from MRT and schools?
The nearest MRT/LRT to Block 637 Choa Chu Kang Nth 6 is Yew Tee MRT, about 83 m away (~1 min walk). 6 schools are within 1 km, including 4 primary schools.
Getting around
- Yew Tee MRT83 m · ~1 min
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 priority324 m
- Unity Secondary SchoolSecondary schoolwithin 1 km376 m
- Kranji Primary SchoolPrimary schoolwithin 1 km · P1 priority433 m
- Regent Secondary SchoolSecondary schoolwithin 1 km558 m
- De La Salle SchoolPrimary schoolwithin 1 km · P1 priority624 m
- Unity Primary SchoolPrimary schoolwithin 1 km · P1 priority626 m
- Kranji Secondary SchoolSecondary school1.1 km
- Jurong Pioneer Junior CollegeJunior college1.6 km
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 637 Choa Chu Kang Nth 6?
Buying a flat at Block 637 Choa Chu Kang Nth 6 (~S$525k) needs about S$4,185/mo in income and S$1,971/mo in repayments, after S$10,350 stamp duty and a S$131k downpayment.
Illustrative, for a buyer at the recent median resale price (S$525k) — 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$10,350
BSD, tiered
Downpayment (25%)
S$131k
cash + CPF
Monthly instalment
S$1,971/mo
25y @ 3.5%
Income required
S$4,185/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 637 Choa Chu Kang Nth 6? Ask what it's worth.
Recent transacted prices, what's nearby, and whether an asking price is fair.
PropKakiRecent sales at Block 637 Choa Chu Kang Nth 6 land close to the town median — fair value, no big premium.
Frequently asked questions about Block 637 Choa Chu Kang Nth 6
How much does a 4-Room flat at Block 637 Choa Chu Kang Nth 6 cost?⌄
4-Room flats at Block 637 Choa Chu Kang Nth 6 have recently resold for a median of about S$525k (S$432 psf), from 77 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.
What are resale prices at Block 637 Choa Chu Kang Nth 6 by flat type?⌄
4-Room ≈ S$460k; Executive ≈ S$485k (median resale, HDB caveats).
Is Block 637 Choa Chu Kang Nth 6 worth buying given its remaining lease?⌄
Block 637 Choa Chu Kang Nth 6 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 637 Choa Chu Kang Nth 6?⌄
Gross rental yield at Block 637 Choa Chu Kang Nth 6 is about 6.9%, based on a median subletting rent of about S$3,000/mo against a resale price of about S$525k. 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 637 Choa Chu Kang Nth 6?⌄
For a flat at about S$525k on a 25-year HDB-style loan, you'd need roughly S$4,185/mo in household income, with repayments around S$1,971/mo after a S$131k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.
What is the nearest MRT to Block 637 Choa Chu Kang Nth 6?⌄
The nearest MRT/LRT station to Block 637 Choa Chu Kang Nth 6 is Yew Tee MRT, about 83 m away (~1 min walk).
Which primary schools are within 1 km of Block 637 Choa Chu Kang Nth 6?⌄
Yew Tee Primary School, Kranji Primary School, De La Salle School, Unity Primary School are within 1 km of Block 637 Choa Chu Kang Nth 6 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.