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Block 665 Hougang Avenue 4

3 Room · 4 Room · Built 1988 · 61 years remaining lease · Updated Apr 2026 MOP Cleared

Block 665 Hougang Avenue 4 has 17 recorded HDB resale transactions since 2017. Latest sale: $450,000 (Apr 2026, 3 room, floors 01–03). Median $4,703/sqm. Prices up 42.7% over the past five years. Built 1988, 61 years lease remaining.

Latest Sale
$450,000
Apr 2026 · 3 ROOM · Floor 01-03
Median $/sqm
$4,703
Based on 17 transactions
Total Transactions
17
Since Jan 2017
5-Year Trend
▲ +42.7%
Median price change
Median Price ?
Top 81%
#471 / 580 Top 81%
Latest Sale ?
Top 86%
#498 / 580 Top 86%
Value ($/sqm) ?
Top 58%
#336 / 580 Top 58%
5-Year Growth ?
Top 31%
#122 / 395 Top 31%
Price Trend
Source: HDB Resale Flat Prices, data.gov.sg. Updated monthly.
What's Your Unit Worth?
HDB records transactions in 3-storey bands (e.g. 01 TO 03). Pick the band closest to your floor.
Estimated Market Value
--
How we estimate this →
Future Value Projection
Market Appreciation
+7.4%/yr
vs
Lease Decay
−0.48%/yr
Growth assumption
Based on this block’s +42.7% growth over 5 years
Estimated value in --
--
Market appreciation --
Lease decay --
Net effect --
Projection uses Bala's Table (SLA leasehold model) for lease decay and your selected growth rate for appreciation. Lease decay is non-linear and accelerates as remaining lease shortens. Past growth does not guarantee future performance. Not financial advice.
Lease Decay Projection
0 years 61 years remaining 99 years
61 years 9 months
Remaining lease
↓ 0.48%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 61 years remaining, decay is gradual (~0.48%/yr). It accelerates significantly below 40 years. Market appreciation (historically 2-4%/yr) currently outpaces lease decay for this block.
Rental & Yield

What this block rents for, and the gross rental yield (annual rent ÷ resale price). Figures are from rentals at this block where available.

Flat type Median rent /mo Gross yield Based on
3-Room $2,700 typically $2,400–$2,800 7.2% 5 rentals here
4-Room $3,200 typically $3,000–$3,450 6.2% Hougang avg · block too thin
Gross yield is annual rent before maintenance, property tax, and vacancy, so net return is lower. Renting out a whole HDB flat requires meeting the 5-year Minimum Occupation Period and HDB approval. Rents are owner-declared to HDB and unverified.
Source: HDB Renting Out of Flats, data.gov.sg (Singapore Open Data Licence).
Primary schools nearby

This block is inside the 1 km Primary 1 priority zone for 4 popular schools. When a school is oversubscribed, MOE ballots by home–school distance, and homes within 1 km are drawn first.

Compare homes near all 50 popular schools
Distances are straight-line estimates from this block, indicative only. MOE measures from its own school reference point, so confirm the exact distance before relying on it.
Where this home sits, and its schools
4 schools in the 1 km top-priority zone
  • This home
  • School within 1 km
  • School 1–2 km
  • 1km ring, top priority
  • 2km ring, next tier

Straight-line distances, the basis MOE uses for Home–School Distance priority. Tap a school to open it. Map © OneMap, SLA.

Nearby comparable homes

Other HDB blocks closest to Block 665 Hougang Avenue 4 in Hougang, with their median resale price. Useful for comparing what a flat here costs against its immediate neighbours.

See all HDB blocks in Hougang
Distances are straight-line estimates from this home, indicative only. Prices are medians of recorded resale transactions, not asking prices.
All Transactions
Date Floor Type Area Price $/sqm
Apr 2026 01 TO 03 3 ROOM 74 sqm $450,000 $6,081
Apr 2025 10 TO 12 4 ROOM 107 sqm $655,000 $6,121
Nov 2024 10 TO 12 4 ROOM 104 sqm $630,000 $6,058
Dec 2023 07 TO 09 3 ROOM 74 sqm $415,000 $5,608
Aug 2023 04 TO 06 3 ROOM 74 sqm $390,000 $5,270
Feb 2023 01 TO 03 3 ROOM 74 sqm $380,000 $5,135
Sep 2022 04 TO 06 4 ROOM 104 sqm $515,000 $4,952
Aug 2022 01 TO 03 4 ROOM 107 sqm $468,888 $4,382
Aug 2021 10 TO 12 3 ROOM 74 sqm $348,000 $4,703
Aug 2021 10 TO 12 3 ROOM 74 sqm $360,000 $4,865
Jun 2021 01 TO 03 4 ROOM 104 sqm $408,000 $3,923
Apr 2021 07 TO 09 4 ROOM 103 sqm $420,000 $4,078
Jun 2020 10 TO 12 3 ROOM 74 sqm $290,000 $3,919
May 2020 04 TO 06 3 ROOM 74 sqm $268,000 $3,622
Mar 2020 07 TO 09 4 ROOM 103 sqm $375,000 $3,641
Aug 2018 01 TO 03 3 ROOM 74 sqm $288,000 $3,892
Jan 2018 04 TO 06 3 ROOM 74 sqm $290,000 $3,919
Showing 17 of 17 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 665 Hougang Avenue 4

Resale prices at Block 665 Hougang Avenue 4 in Hougang have risen sharply, up about 42.7% over the past five years. Its median sits about 20% below the Hougang median, cheaper than about 81% of the town's blocks. It has a relatively light resale record, with 17 transactions since 2017 across 3 room, 4 room flats priced from $268,000 to $655,000. The most recent transaction was a 3 room flat on storeys 01 TO 03 at $450,000 in Apr 2026, and the median works out to $4,703/sqm. On Bala's Table, the SLA's leasehold valuation model, its relativity ratio works out to 0.8805, equivalent to roughly 0.48% of lease-value decay a year. All transaction data is sourced from data.gov.sg and updated monthly.

Frequently Asked Questions

How much is an HDB flat at Block 665 Hougang Avenue 4 worth?

The most recent resale transaction at Block 665 Hougang Avenue 4 was $450,000 for a 3 room flat in 2026-04. The median price per square metre across all flat types is $4,703, based on 17 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 665 Hougang Avenue 4?

Block 665 Hougang Avenue 4 was built in 1988 and has approximately 61 years and 9 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.48%, meaning the leasehold value decreases by approximately 0.48% per year at the current remaining lease.

What flat types are available at Block 665 Hougang Avenue 4?

Block 665 Hougang Avenue 4 in Hougang contains 3 room, 4 room flats. Resale prices range from $268,000 to $655,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 665 Hougang Avenue 4 gone up or down?

Resale prices at Block 665 Hougang Avenue 4 have increased by approximately 42.7% over the past five years. The current median price is $390,000, with the most recent sale at $450,000 in 2026-04.

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