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Block 666 Hougang Avenue 4

4 Room · 5 Room · Built 1988 · 61 years remaining lease MOP Cleared
Latest Sale
$660,000
Mar 2026 · 5 ROOM · #01-03
Median $/sqm
$4,120
Based on 5 transactions
Total Transactions
5
Since Jan 2017
5-Year Trend
▲ +55.8%
Median price change
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
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Future Value Projection
Estimated value in --
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Based on Bala's Table (SLA leasehold valuation model) with 3% annual market appreciation. Lease decay is non-linear and accelerates as remaining lease shortens. Not financial advice.
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Lease Decay Projection
0 years 61 years remaining 99 years
61 years 2 months
Remaining lease
↓ 0.49%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 61 years remaining, decay is gradual (~0.49%/yr). It accelerates significantly below 40 years. Market appreciation (historically 2-4%/yr) currently outpaces lease decay for this block.
All Transactions
Date Floor Type Area Price $/sqm
Mar 2026 01 TO 03 5 ROOM 122 sqm $660,000 $5,410
Sep 2025 01 TO 03 4 ROOM 111 sqm $633,000 $5,703
Jan 2022 01 TO 03 4 ROOM 108 sqm $445,000 $4,120
Feb 2021 01 TO 03 4 ROOM 103 sqm $415,000 $4,029
Feb 2018 04 TO 06 4 ROOM 103 sqm $345,000 $3,350
Showing 5 of 5 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 666 Hougang Avenue 4

Block 666 at Hougang Avenue 4 is a residential HDB block in Hougang, Singapore, built in 1988 with approximately 61 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $345,000 to $660,000 based on 5 recorded transactions since January 2017. The most recent transaction was a 5 room flat on storeys 01 TO 03 sold for $660,000 in 2026-03. The current median price per square metre is $4,120. Over the past five years, resale prices at this block have increased by approximately 55.8%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8781, with an annual lease decay rate of approximately 0.49%. All transaction data is sourced from Singapore's data.gov.sg open data platform and is updated monthly.

Frequently Asked Questions

How much is an HDB flat at Block 666 Hougang Avenue 4 worth?

The most recent resale transaction at Block 666 Hougang Avenue 4 was $660,000 for a 5 room flat in 2026-03. The median price per square metre across all flat types is $4,120, based on 5 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 666 Hougang Avenue 4?

Block 666 Hougang Avenue 4 was built in 1988 and has approximately 61 years and 2 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.49%, meaning the leasehold value decreases by approximately 0.49% per year at the current remaining lease.

What flat types are available at Block 666 Hougang Avenue 4?

Block 666 Hougang Avenue 4 in Hougang contains 4 room, 5 room flats. Resale prices range from $345,000 to $660,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 666 Hougang Avenue 4 gone up or down?

Resale prices at Block 666 Hougang Avenue 4 have increased by approximately 55.8% over the past five years. The current median price is $445,000, with the most recent sale at $660,000 in 2026-03.

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