Block 665 Hougang Ave 4
665 Hougang Ave 4, Singapore 530665
Block 665 Hougang Ave 4 is an HDB block in Hougang, completed in 1986, with 132 dwelling units. Across 133 resales on record, 3-Room flats have recently resold around S$415k (S$460 psf, 74 sqm). The lease has approximately 62 years remaining.
What are the key facts about Block 665 Hougang Ave 4?
Block 665 Hougang Ave 4 is an HDB block in Hougang, completed in 1986, with 132 dwelling units.
- Town
- Hougang
- Planning area
- Hougang
- Completed
- 1986
- Storeys
- 12
- Total units
- 132
- Flat model
- Model A
- Market segment
- OCR
- Median resale
- S$415k
- Last transacted
- Apr 2026
- Remaining lease
- ≈ 62 years
What are resale prices at Block 665 Hougang Ave 4?
3-Room flats have recently resold around S$415k (S$460 psf), from 133 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 3-Room | 76 | S$355,000recent | 74 sqm | S$446 psf |
| 4-Room | 57 | S$420,000recent | 104 sqm | S$379 psf |
Live now: 6 flats listed for sale at this block (median asking S$564k) and 2 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 Apr 2026.
What rent and yield does Block 665 Hougang Ave 4 get?
Flats at Block 665 Hougang Ave 4 have recently sublet for a median of S$2,700/mo, an indicative gross rental yield of about 7.8% (from 24 recent rental contracts).
Median rent
S$2,700/mo
24 recent contracts
Gross rental yield
7.8%
indicative, gross
Annual rent
S$32,400
median × 12 months
| Flat type | Contracts | Median rent |
|---|---|---|
| 3-Room | 14 | S$2,400/mo |
| 4-Room | 11 | S$2,900/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 May 2026. Source: HDB rental (subletting) data.
What has recently sold at Block 665 Hougang Ave 4?
Block 665 Hougang Ave 4 has 133 recorded resales; the most recent transacted at S$450,000 in Apr 2026 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Apr 2026 | 3-Room | 01 TO 03 | 74 sqm | S$450,000 |
| Apr 2025 | 4-Room | 10 TO 12 | 107 sqm | S$655,000 |
| Nov 2024 | 4-Room | 10 TO 12 | 104 sqm | S$630,000 |
| Dec 2023 | 3-Room | 07 TO 09 | 74 sqm | S$415,000 |
| Aug 2023 | 3-Room | 04 TO 06 | 74 sqm | S$390,000 |
| Feb 2023 | 3-Room | 01 TO 03 | 74 sqm | S$380,000 |
| Sept 2022 | 4-Room | 04 TO 06 | 104 sqm | S$515,000 |
| Aug 2022 | 4-Room | 01 TO 03 | 107 sqm | S$468,888 |
| Aug 2021 | 3-Room | 10 TO 12 | 74 sqm | S$360,000 |
| Aug 2021 | 3-Room | 10 TO 12 | 74 sqm | S$348,000 |
| Jun 2021 | 4-Room | 01 TO 03 | 104 sqm | S$408,000 |
| Apr 2021 | 4-Room | 07 TO 09 | 103 sqm | S$420,000 |
What flat types are in Block 665 Hougang Ave 4?
Block 665 Hougang Ave 4 has 132 units, mostly 3-Room flats of the Model A model.
Unit stock by flat type, from the HDB property information dataset.
Where is Block 665 Hougang Ave 4?
Block 665 Hougang Ave 4 is an HDB block in Hougang.
Block 665 Hougang Ave 4 is an HDB block located along Hougang Ave 4. The block is recorded as completed around 1986, with up to 12 storeys. It has an estimated 132 residential units based on the HDB property information dataset. Flat types in the block include 3-room and 4-room units.
The address is Block 665 Hougang Ave 4, Singapore 530665. It is part of District 19, Serangoon Garden / Hougang / Punggol, the Hougang planning area. The block falls within the North-East Region and the OCR market segment.
The nearest rail connection is Hougang MRT, approximately 939m away, around 15 minutes on foot. Nearby amenities include Hougang 1 for shopping, NTUC Fairprice Co-operative Ltd for groceries, Ci Yuan Hawker Centre for food options, Pk Villas Terrace Pg for greenery and recreation, Hougang Polyclinic for polyclinic services, and Ci Yuan Community Club for community facilities.
How far is Block 665 Hougang Ave 4 from MRT and schools?
The nearest MRT/LRT to Block 665 Hougang Ave 4 is Hougang MRT, about 939 m away (~15 min walk). 8 schools are within 1 km, including 4 primary schools.
Getting around
- Hougang MRT939 m · ~15 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Xinmin Secondary SchoolSecondary schoolwithin 1 km222 m
- Xinmin Primary SchoolPrimary schoolwithin 1 km · P1 priority328 m
- Hougang Secondary SchoolSecondary schoolwithin 1 km449 m
- Yio Chu Kang Primary SchoolPrimary schoolwithin 1 km · P1 priority455 m
- Montfort Secondary SchoolSecondary schoolwithin 1 km504 m
- Hougang Primary SchoolPrimary schoolwithin 1 km · P1 priority545 m
- Montfort Junior SchoolPrimary schoolwithin 1 km · P1 priority547 m
- Bowen Secondary SchoolSecondary schoolwithin 1 km853 m
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 665 Hougang Ave 4?
Buying a flat at Block 665 Hougang Ave 4 (~S$415k) needs about S$3,308/mo in income and S$1,558/mo in repayments, after S$7,050 stamp duty and a S$104k downpayment.
Illustrative, for a buyer at the recent median resale price (S$415k) — 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$7,050
BSD, tiered
Downpayment (25%)
S$104k
cash + CPF
Monthly instalment
S$1,558/mo
25y @ 3.5%
Income required
S$3,308/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 665 Hougang Ave 4? Ask what it's worth.
Recent transacted prices, what's nearby, and whether an asking price is fair.
PropKakiRecent sales at Block 665 Hougang Ave 4 land close to the town median — fair value, no big premium.
Frequently asked questions about Block 665 Hougang Ave 4
How much does a 3-Room flat at Block 665 Hougang Ave 4 cost?⌄
3-Room flats at Block 665 Hougang Ave 4 have recently resold for a median of about S$415k (S$460 psf), from 133 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.
What are resale prices at Block 665 Hougang Ave 4 by flat type?⌄
3-Room ≈ S$355k; 4-Room ≈ S$420k (median resale, HDB caveats).
Is Block 665 Hougang Ave 4 worth buying given its remaining lease?⌄
Block 665 Hougang Ave 4 has about 62 years left on its 99-year lease (completed 1986). 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 665 Hougang Ave 4?⌄
Gross rental yield at Block 665 Hougang Ave 4 is about 7.8%, based on a median subletting rent of about S$2,700/mo against a resale price of about S$415k. 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 665 Hougang Ave 4?⌄
For a flat at about S$415k on a 25-year HDB-style loan, you'd need roughly S$3,308/mo in household income, with repayments around S$1,558/mo after a S$104k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.
What is the nearest MRT to Block 665 Hougang Ave 4?⌄
The nearest MRT/LRT station to Block 665 Hougang Ave 4 is Hougang MRT, about 939 m away (~15 min walk).
Which primary schools are within 1 km of Block 665 Hougang Ave 4?⌄
Xinmin Primary School, Yio Chu Kang Primary School, Hougang Primary School, Montfort Junior School are within 1 km of Block 665 Hougang Ave 4 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.