Block 331 Ang Mo Kio Avenue 1

3 Room · 4 Room · Built 1981 · 54 years remaining lease MOP Cleared
Latest Sale
$420,888
Sep 2025 · 3 ROOM · #04-06
Median $/sqm
$4,591
Based on 42 transactions
Total Transactions
42
Since Jan 2017
5-Year Trend
▲ +31.2%
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 54 years remaining 99 years
54 years 5 months
Remaining lease
↓ 0.64%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 54 years remaining, decay is gradual (~0.64%/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
Sep 2025 04 TO 06 3 ROOM 68 sqm $420,888 $6,190
Aug 2025 04 TO 06 3 ROOM 68 sqm $415,000 $6,103
Mar 2025 10 TO 12 3 ROOM 68 sqm $475,000 $6,985
Feb 2025 07 TO 09 3 ROOM 68 sqm $440,000 $6,471
Sep 2024 01 TO 03 3 ROOM 68 sqm $393,000 $5,779
Aug 2024 07 TO 09 3 ROOM 68 sqm $419,000 $6,162
Aug 2024 04 TO 06 3 ROOM 68 sqm $446,000 $6,559
Nov 2023 04 TO 06 4 ROOM 93 sqm $500,000 $5,376
Jul 2023 04 TO 06 3 ROOM 68 sqm $365,000 $5,368
Jul 2023 04 TO 06 3 ROOM 68 sqm $375,000 $5,515
Nov 2022 10 TO 12 3 ROOM 68 sqm $370,000 $5,441
Aug 2022 07 TO 09 3 ROOM 68 sqm $350,000 $5,147
Jul 2022 10 TO 12 3 ROOM 68 sqm $365,000 $5,368
Jul 2022 10 TO 12 3 ROOM 68 sqm $368,000 $5,412
Jan 2022 07 TO 09 3 ROOM 68 sqm $338,000 $4,971
Sep 2021 10 TO 12 4 ROOM 93 sqm $400,000 $4,301
May 2021 01 TO 03 3 ROOM 68 sqm $295,000 $4,338
May 2021 07 TO 09 3 ROOM 82 sqm $368,800 $4,498
Mar 2021 07 TO 09 3 ROOM 68 sqm $328,000 $4,824
Jan 2021 04 TO 06 3 ROOM 68 sqm $260,000 $3,824
Showing 20 of 42 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 331 Ang Mo Kio Avenue 1

Block 331 at Ang Mo Kio Avenue 1 is a residential HDB block in Ang Mo Kio, Singapore, built in 1981 with approximately 54 years remaining on its 99-year lease. The block contains 3 room, 4 room flats, with resale prices ranging from $243,000 to $500,000 based on 42 recorded transactions since January 2017. The most recent transaction was a 3 room flat on storeys 04 TO 06 sold for $420,888 in 2025-09. The current median price per square metre is $4,591. Over the past five years, resale prices at this block have increased by approximately 31.2%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8462, with an annual lease decay rate of approximately 0.64%. 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 331 Ang Mo Kio Avenue 1 worth?

The most recent resale transaction at Block 331 Ang Mo Kio Avenue 1 was $420,888 for a 3 room flat in 2025-09. The median price per square metre across all flat types is $4,591, based on 42 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 331 Ang Mo Kio Avenue 1?

Block 331 Ang Mo Kio Avenue 1 was built in 1981 and has approximately 54 years and 5 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.64%, meaning the leasehold value decreases by approximately 0.64% per year at the current remaining lease.

What flat types are available at Block 331 Ang Mo Kio Avenue 1?

Block 331 Ang Mo Kio Avenue 1 in Ang Mo Kio contains 3 room, 4 room flats. Resale prices range from $243,000 to $500,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 331 Ang Mo Kio Avenue 1 gone up or down?

Resale prices at Block 331 Ang Mo Kio Avenue 1 have increased by approximately 31.2% over the past five years. The current median price is $326,500, with the most recent sale at $420,888 in 2025-09.

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