Block 605 Hougang Avenue 4

4 Room · Built 1985 · 59 years remaining lease MOP Cleared
Latest Sale
$555,000
Oct 2025 · 4 ROOM · #07-09
Median $/sqm
$4,279
Based on 27 transactions
Total Transactions
27
Since Jan 2017
5-Year Trend
▲ +50.7%
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 59 years remaining 99 years
59 years 1 months
Remaining lease
↓ 0.53%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 59 years remaining, decay is gradual (~0.53%/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
Oct 2025 07 TO 09 4 ROOM 84 sqm $555,000 $6,607
Oct 2025 04 TO 06 4 ROOM 84 sqm $543,888 $6,475
Feb 2025 04 TO 06 4 ROOM 84 sqm $550,000 $6,548
Nov 2024 04 TO 06 4 ROOM 84 sqm $518,000 $6,167
Aug 2024 10 TO 12 4 ROOM 104 sqm $660,000 $6,346
May 2024 04 TO 06 4 ROOM 84 sqm $505,000 $6,012
Dec 2023 04 TO 06 4 ROOM 104 sqm $525,000 $5,048
Nov 2023 10 TO 12 4 ROOM 104 sqm $575,000 $5,529
Aug 2023 04 TO 06 4 ROOM 84 sqm $460,000 $5,476
Nov 2022 04 TO 06 4 ROOM 84 sqm $455,000 $5,417
Jun 2022 04 TO 06 4 ROOM 104 sqm $500,000 $4,808
Mar 2022 01 TO 03 4 ROOM 84 sqm $380,000 $4,524
Jun 2021 04 TO 06 4 ROOM 84 sqm $365,000 $4,345
Nov 2020 04 TO 06 4 ROOM 104 sqm $420,000 $4,038
Aug 2020 01 TO 03 4 ROOM 104 sqm $358,000 $3,442
Aug 2020 04 TO 06 4 ROOM 84 sqm $338,000 $4,024
Feb 2020 07 TO 09 4 ROOM 84 sqm $335,000 $3,988
Nov 2019 01 TO 03 4 ROOM 104 sqm $363,000 $3,490
Jan 2019 10 TO 12 4 ROOM 84 sqm $325,000 $3,869
Dec 2018 04 TO 06 4 ROOM 84 sqm $310,000 $3,690
Showing 20 of 27 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 605 Hougang Avenue 4

Block 605 at Hougang Avenue 4 is a residential HDB block in Hougang, Singapore, built in 1985 with approximately 59 years remaining on its 99-year lease. The block contains 4 room flats, with resale prices ranging from $309,000 to $660,000 based on 27 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 07 TO 09 sold for $555,000 in 2025-10. The current median price per square metre is $4,279. Over the past five years, resale prices at this block have increased by approximately 50.7%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8690, with an annual lease decay rate of approximately 0.53%. 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 605 Hougang Avenue 4 worth?

The most recent resale transaction at Block 605 Hougang Avenue 4 was $555,000 for a 4 room flat in 2025-10. The median price per square metre across all flat types is $4,279, based on 27 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 605 Hougang Avenue 4?

Block 605 Hougang Avenue 4 was built in 1985 and has approximately 59 years and 1 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.53%, meaning the leasehold value decreases by approximately 0.53% per year at the current remaining lease.

What flat types are available at Block 605 Hougang Avenue 4?

Block 605 Hougang Avenue 4 in Hougang contains 4 room flats. Resale prices range from $309,000 to $660,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 605 Hougang Avenue 4 gone up or down?

Resale prices at Block 605 Hougang Avenue 4 have increased by approximately 50.7% over the past five years. The current median price is $420,000, with the most recent sale at $555,000 in 2025-10.

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