Block 185 Boon Lay Avenue

3 Room · 5 Room · Built 1975 · 48 years remaining lease MOP Cleared
Latest Sale
$323,000
Mar 2026 · 3 ROOM · #01-03
Median $/sqm
$4,322
Based on 117 transactions
Total Transactions
117
Since Jan 2017
5-Year Trend
▲ +26.6%
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 48 years remaining 99 years
48 years 8 months
Remaining lease
↓ 0.81%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 48 years remaining, decay is gradual (~0.81%/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 3 ROOM 68 sqm $323,000 $4,750
Mar 2026 19 TO 21 3 ROOM 59 sqm $350,000 $5,932
Feb 2026 01 TO 03 3 ROOM 59 sqm $310,000 $5,254
Jan 2026 13 TO 15 3 ROOM 59 sqm $360,000 $6,102
Dec 2025 13 TO 15 3 ROOM 68 sqm $342,500 $5,037
Nov 2025 07 TO 09 3 ROOM 59 sqm $300,000 $5,085
Aug 2025 01 TO 03 3 ROOM 59 sqm $320,000 $5,424
Aug 2025 13 TO 15 3 ROOM 59 sqm $312,000 $5,288
Jul 2025 01 TO 03 3 ROOM 59 sqm $310,000 $5,254
Jul 2025 10 TO 12 3 ROOM 59 sqm $330,000 $5,593
Jul 2025 10 TO 12 3 ROOM 59 sqm $340,000 $5,763
Jun 2025 04 TO 06 3 ROOM 59 sqm $310,000 $5,254
May 2025 13 TO 15 3 ROOM 59 sqm $338,000 $5,729
Apr 2025 16 TO 18 3 ROOM 59 sqm $330,000 $5,593
Feb 2025 19 TO 21 3 ROOM 59 sqm $320,000 $5,424
Feb 2025 16 TO 18 3 ROOM 59 sqm $338,000 $5,729
Oct 2024 13 TO 15 3 ROOM 59 sqm $336,000 $5,695
Sep 2024 01 TO 03 3 ROOM 59 sqm $290,000 $4,915
Aug 2024 19 TO 21 3 ROOM 59 sqm $313,000 $5,305
Aug 2024 10 TO 12 3 ROOM 59 sqm $330,000 $5,593
Showing 20 of 117 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 185 Boon Lay Avenue

Block 185 at Boon Lay Avenue is a residential HDB block in Jurong West, Singapore, built in 1975 with approximately 48 years remaining on its 99-year lease. The block contains 3 room, 5 room flats, with resale prices ranging from $175,000 to $462,000 based on 117 recorded transactions since January 2017. The most recent transaction was a 3 room flat on storeys 01 TO 03 sold for $323,000 in 2026-03. The current median price per square metre is $4,322. Over the past five years, resale prices at this block have increased by approximately 26.6%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8125, with an annual lease decay rate of approximately 0.81%. 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 185 Boon Lay Avenue worth?

The most recent resale transaction at Block 185 Boon Lay Avenue was $323,000 for a 3 room flat in 2026-03. The median price per square metre across all flat types is $4,322, based on 117 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 185 Boon Lay Avenue?

Block 185 Boon Lay Avenue was built in 1975 and has approximately 48 years and 8 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.81%, meaning the leasehold value decreases by approximately 0.81% per year at the current remaining lease.

What flat types are available at Block 185 Boon Lay Avenue?

Block 185 Boon Lay Avenue in Jurong West contains 3 room, 5 room flats. Resale prices range from $175,000 to $462,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 185 Boon Lay Avenue gone up or down?

Resale prices at Block 185 Boon Lay Avenue have increased by approximately 26.6% over the past five years. The current median price is $260,000, with the most recent sale at $323,000 in 2026-03.

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