PropKaki
HDBOCRHougang

Block 646 Hougang Ave 8

646 Hougang Ave 8, Singapore 530646

Reviewed by Nathan TangUpdated 21 June 2026Data through Jul 2025 (HDB)
Quick Summary

Block 646 Hougang Ave 8 is an HDB block in Hougang, completed in 1986, with 8 dwelling units. Executive flats have recently resold around S$510k (151 sqm), from 14 resales on record. The lease has approximately 61 years remaining.

1

What are the key facts about Block 646 Hougang Ave 8?

Key Takeaway

Block 646 Hougang Ave 8 is an HDB block in Hougang, completed in 1986, with 8 dwelling units.

Town
Hougang
Planning area
Hougang
Completed
1986
Storeys
4
Total units
8
Market segment
OCR
Median resale
S$510k
Last transacted
Jul 2025
Remaining lease
≈ 61 years
2

What are resale prices at Block 646 Hougang Ave 8?

Key Takeaway

Executive flats have recently resold around S$510k (S$323 psf), from 14 resales on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
Executive14S$510,000recent151 sqmS$323 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 Jul 2025.

3

What has recently sold at Block 646 Hougang Ave 8?

Key Takeaway

Block 646 Hougang Ave 8 has 14 recorded resales; the most recent transacted at S$990,000 in Jul 2025 (HDB caveat data).

DateFlat typeStoreySizePrice
Jul 2025Executive01 TO 03151 sqmS$990,000
Nov 2020Executive01 TO 03152 sqmS$632,000
Sept 2020Executive01 TO 03146 sqmS$620,000
Sept 2016Executive01 TO 03151 sqmS$608,000
Aug 2015Executive01 TO 03151 sqmS$618,000
Jul 2011Executive01 TO 03146 sqmS$510,000
Nov 2007Executive01 TO 03146 sqmS$385,000
Aug 2000Executive01 TO 03152 sqmS$468,000
Sept 1998Executive01 TO 03146 sqmS$435,000
Jul 1998Executive01 TO 03151 sqmS$492,000
Jun 1998Executive01 TO 03146 sqmS$465,000
Oct 1997Executive01 TO 03151 sqmS$525,000
4

What flat types are in Block 646 Hougang Ave 8?

Key Takeaway

Block 646 Hougang Ave 8 has 8 units, mostly Executive flats.

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

Executive: 8
5

How far is Block 646 Hougang Ave 8 from MRT and schools?

Key Takeaway

9 schools are within 1 km, including 5 primary schools.

Schools nearby

Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

  • Xinmin Primary SchoolPrimary schoolwithin 1 km · P1 priority265 m
  • Xinmin Secondary SchoolSecondary schoolwithin 1 km269 m
  • Bowen Secondary SchoolSecondary schoolwithin 1 km380 m
  • Hougang Primary SchoolPrimary schoolwithin 1 km · P1 priority616 m
  • Rosyth SchoolPrimary schoolwithin 1 km · P1 priority649 m
  • Hougang Secondary SchoolSecondary schoolwithin 1 km674 m
  • Yio Chu Kang Primary SchoolPrimary schoolwithin 1 km · P1 priority870 m
  • Montfort Secondary SchoolSecondary schoolwithin 1 km940 m

Shops, food & parks

Mall: Hougang 1 · 453 mSupermarket: Ang Mo Supermarket Pte Ltd · 89 mHawker centre: Ci Yuan Hawker Centre · 458 mPark: Pk Villas Terrace Pg · 328 m

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

6

What does it cost to buy a flat at Block 646 Hougang Ave 8?

Key Takeaway

Buying a flat at Block 646 Hougang Ave 8 (~S$510k) needs about S$4,066/mo in income and S$1,915/mo in repayments, after S$9,900 stamp duty and a S$128k downpayment.

Illustrative, for a buyer at the recent median resale price (S$510k) — 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$9,900

BSD, tiered

Downpayment (25%)

S$128k

cash + CPF

Monthly instalment

S$1,915/mo

25y @ 3.5%

Income required

S$4,066/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 646 Hougang Ave 8

What is the resale price at Block 646 Hougang Ave 8?

Executive flats at Block 646 Hougang Ave 8 have recently resold around S$510k (151 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.

How many years are left on the lease at Block 646 Hougang Ave 8?

Block 646 Hougang Ave 8 has approximately 61 years left on its 99-year lease (completed 1986). This figure is taken from the most recent transacted flat.

How many units are in Block 646 Hougang Ave 8?

Block 646 Hougang Ave 8 has 8 dwelling units across up to 4 storeys, mostly executive flats.

Which primary schools are within 1 km of Block 646 Hougang Ave 8?

Xinmin Primary School, Hougang Primary School, Rosyth School, Yio Chu Kang Primary School are within 1 km of Block 646 Hougang Ave 8 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

Is Block 646 Hougang Ave 8 a good place to buy an HDB resale flat?

Block 646 Hougang Ave 8 sits in Hougang, in the Hougang planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈61 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.

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