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Block 491 Jurong West Avenue 1

3 Room · 4 Room · Built 1985 · 58 years remaining lease MOP Cleared
Latest Sale
$415,000
Apr 2026 · 3 ROOM · Floor 07-09
Median $/sqm
$4,625
Based on 19 transactions
Total Transactions
19
Since Jan 2017
5-Year Trend
▲ +28.2%
Median price change
Median Price ?
Top 92%
#655 / 715 Top 92%
Latest Sale ?
Top 90%
#644 / 715 Top 90%
Value ($/sqm) ?
Top 34%
#241 / 715 Top 34%
5-Year Growth ?
Top 56%
#269 / 480 Top 56%
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
--
Future Value Projection
Market Appreciation
+5.1%/yr
vs
Lease Decay
−0.54%/yr
Growth assumption
Based on this block’s +28.2% 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 58 years remaining 99 years
58 years 6 months
Remaining lease
↓ 0.54%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 58 years remaining, decay is gradual (~0.54%/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
Apr 2026 07 TO 09 3 ROOM 67 sqm $415,000 $6,194
Jul 2025 07 TO 09 4 ROOM 94 sqm $478,000 $5,085
Jun 2025 04 TO 06 4 ROOM 93 sqm $488,000 $5,247
Jan 2025 07 TO 09 3 ROOM 67 sqm $380,000 $5,672
Oct 2024 07 TO 09 3 ROOM 67 sqm $420,000 $6,269
Aug 2024 04 TO 06 4 ROOM 93 sqm $451,000 $4,849
Dec 2022 07 TO 09 3 ROOM 67 sqm $330,000 $4,925
Mar 2022 10 TO 12 4 ROOM 93 sqm $430,088 $4,625
Jan 2022 10 TO 12 3 ROOM 67 sqm $342,000 $5,104
Jul 2021 07 TO 09 3 ROOM 67 sqm $330,000 $4,925
Jan 2021 07 TO 09 3 ROOM 67 sqm $290,000 $4,328
Nov 2020 04 TO 06 3 ROOM 67 sqm $260,000 $3,881
Oct 2020 07 TO 09 4 ROOM 94 sqm $345,000 $3,670
Aug 2020 07 TO 09 4 ROOM 100 sqm $327,000 $3,270
Dec 2019 01 TO 03 4 ROOM 93 sqm $310,000 $3,333
Mar 2019 01 TO 03 3 ROOM 67 sqm $263,000 $3,925
Oct 2018 10 TO 12 4 ROOM 100 sqm $340,000 $3,400
Dec 2017 07 TO 09 3 ROOM 67 sqm $260,000 $3,881
Sep 2017 07 TO 09 3 ROOM 67 sqm $273,000 $4,075
Showing 19 of 19 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 491 Jurong West Avenue 1

Block 491 at Jurong West Avenue 1 is a residential HDB block in Jurong West, Singapore, built in 1985 with approximately 58 years remaining on its 99-year lease. The block contains 3 room, 4 room flats, with resale prices ranging from $260,000 to $488,000 based on 19 recorded transactions since January 2017. The most recent transaction was a 3 room flat on storeys 07 TO 09 sold for $415,000 in 2026-04. The current median price per square metre is $4,625. Over the past five years, resale prices at this block have increased by approximately 28.2%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8663, with an annual lease decay rate of approximately 0.54%. 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 491 Jurong West Avenue 1 worth?

The most recent resale transaction at Block 491 Jurong West Avenue 1 was $415,000 for a 3 room flat in 2026-04. The median price per square metre across all flat types is $4,625, based on 19 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 491 Jurong West Avenue 1?

Block 491 Jurong West Avenue 1 was built in 1985 and has approximately 58 years and 6 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.54%, meaning the leasehold value decreases by approximately 0.54% per year at the current remaining lease.

What flat types are available at Block 491 Jurong West Avenue 1?

Block 491 Jurong West Avenue 1 in Jurong West contains 3 room, 4 room flats. Resale prices range from $260,000 to $488,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 491 Jurong West Avenue 1 gone up or down?

Resale prices at Block 491 Jurong West Avenue 1 have increased by approximately 28.2% over the past five years. The current median price is $340,000, with the most recent sale at $415,000 in 2026-04.

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