Block 485 Jurong West Avenue 1

3 Room · 4 Room · Built 1984 · 58 years remaining lease MOP Cleared
Latest Sale
$535,000
Jul 2025 · 4 ROOM · #10-12
Median $/sqm
$4,272
Based on 19 transactions
Total Transactions
19
Since Jan 2017
5-Year Trend
▲ +38.8%
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 58 years remaining 99 years
58 years 2 months
Remaining lease
↓ 0.55%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 58 years remaining, decay is gradual (~0.55%/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
Jul 2025 10 TO 12 4 ROOM 103 sqm $535,000 $5,194
Mar 2025 10 TO 12 3 ROOM 73 sqm $410,000 $5,616
Sep 2024 04 TO 06 3 ROOM 73 sqm $400,000 $5,479
Aug 2024 04 TO 06 4 ROOM 103 sqm $498,000 $4,835
Jul 2024 10 TO 12 3 ROOM 73 sqm $395,000 $5,411
Mar 2024 10 TO 12 4 ROOM 103 sqm $508,888 $4,941
Jul 2023 04 TO 06 3 ROOM 73 sqm $380,000 $5,205
Dec 2022 04 TO 06 4 ROOM 103 sqm $440,000 $4,272
Jan 2022 10 TO 12 4 ROOM 103 sqm $440,000 $4,272
Dec 2021 04 TO 06 3 ROOM 73 sqm $343,000 $4,699
Jul 2021 07 TO 09 3 ROOM 73 sqm $338,000 $4,630
Oct 2020 01 TO 03 3 ROOM 73 sqm $275,000 $3,767
Jun 2019 04 TO 06 4 ROOM 103 sqm $339,000 $3,291
Mar 2019 10 TO 12 3 ROOM 73 sqm $255,000 $3,493
Feb 2019 04 TO 06 3 ROOM 73 sqm $265,000 $3,630
Feb 2019 10 TO 12 3 ROOM 73 sqm $270,000 $3,699
Dec 2017 07 TO 09 3 ROOM 73 sqm $270,000 $3,699
Sep 2017 10 TO 12 4 ROOM 103 sqm $365,000 $3,544
May 2017 04 TO 06 3 ROOM 73 sqm $281,000 $3,849
Showing 19 of 19 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 485 Jurong West Avenue 1

Block 485 at Jurong West Avenue 1 is a residential HDB block in Jurong West, Singapore, built in 1984 with approximately 58 years remaining on its 99-year lease. The block contains 3 room, 4 room flats, with resale prices ranging from $255,000 to $535,000 based on 19 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 10 TO 12 sold for $535,000 in 2025-07. The current median price per square metre is $4,272. Over the past five years, resale prices at this block have increased by approximately 38.8%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8648, with an annual lease decay rate of approximately 0.55%. 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 485 Jurong West Avenue 1 worth?

The most recent resale transaction at Block 485 Jurong West Avenue 1 was $535,000 for a 4 room flat in 2025-07. The median price per square metre across all flat types is $4,272, based on 19 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 485 Jurong West Avenue 1?

Block 485 Jurong West Avenue 1 was built in 1984 and has approximately 58 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 0.55%, meaning the leasehold value decreases by approximately 0.55% per year at the current remaining lease.

What flat types are available at Block 485 Jurong West Avenue 1?

Block 485 Jurong West Avenue 1 in Jurong West contains 3 room, 4 room flats. Resale prices range from $255,000 to $535,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 485 Jurong West Avenue 1 gone up or down?

Resale prices at Block 485 Jurong West Avenue 1 have increased by approximately 38.8% over the past five years. The current median price is $365,000, with the most recent sale at $535,000 in 2025-07.

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