Block 421 Ang Mo Kio Avenue 10

3 Room · 4 Room · Built 1979 · 52 years remaining lease MOP Cleared
Latest Sale
$458,000
Feb 2026 · 3 ROOM · #13-15
Median $/sqm
$4,703
Based on 25 transactions
Total Transactions
25
Since Jan 2017
5-Year Trend
▲ +28.2%
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 52 years remaining 99 years
52 years 6 months
Remaining lease
↓ 0.69%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 52 years remaining, decay is gradual (~0.69%/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
Feb 2026 13 TO 15 3 ROOM 74 sqm $458,000 $6,189
Jul 2025 07 TO 09 3 ROOM 74 sqm $445,000 $6,014
Jun 2025 04 TO 06 3 ROOM 74 sqm $450,000 $6,081
Nov 2024 10 TO 12 3 ROOM 74 sqm $475,000 $6,419
Oct 2024 07 TO 09 3 ROOM 74 sqm $430,000 $5,811
Jun 2024 04 TO 06 4 ROOM 99 sqm $490,000 $4,949
Nov 2023 10 TO 12 3 ROOM 74 sqm $375,000 $5,068
Feb 2023 10 TO 12 3 ROOM 74 sqm $420,000 $5,676
Feb 2023 10 TO 12 3 ROOM 74 sqm $440,000 $5,946
Nov 2021 10 TO 12 3 ROOM 74 sqm $352,000 $4,757
Aug 2021 04 TO 06 3 ROOM 74 sqm $330,000 $4,459
Aug 2021 10 TO 12 3 ROOM 74 sqm $335,000 $4,527
Jun 2021 07 TO 09 3 ROOM 74 sqm $353,888 $4,782
Jun 2021 07 TO 09 4 ROOM 99 sqm $428,000 $4,323
Feb 2021 04 TO 06 3 ROOM 89 sqm $350,000 $3,933
Nov 2020 01 TO 03 3 ROOM 74 sqm $325,000 $4,392
Nov 2020 13 TO 15 4 ROOM 99 sqm $375,000 $3,788
Aug 2020 04 TO 06 4 ROOM 99 sqm $390,000 $3,939
Aug 2019 13 TO 15 3 ROOM 74 sqm $310,000 $4,189
Aug 2019 10 TO 12 4 ROOM 99 sqm $400,000 $4,040
Showing 20 of 25 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 421 Ang Mo Kio Avenue 10

Block 421 at Ang Mo Kio Avenue 10 is a residential HDB block in Ang Mo Kio, Singapore, built in 1979 with approximately 52 years remaining on its 99-year lease. The block contains 3 room, 4 room flats, with resale prices ranging from $285,000 to $490,000 based on 25 recorded transactions since January 2017. The most recent transaction was a 3 room flat on storeys 13 TO 15 sold for $458,000 in 2026-02. The current median price per square metre is $4,703. 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 0.8357, with an annual lease decay rate of approximately 0.69%. 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 421 Ang Mo Kio Avenue 10 worth?

The most recent resale transaction at Block 421 Ang Mo Kio Avenue 10 was $458,000 for a 3 room flat in 2026-02. The median price per square metre across all flat types is $4,703, based on 25 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 421 Ang Mo Kio Avenue 10?

Block 421 Ang Mo Kio Avenue 10 was built in 1979 and has approximately 52 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 0.69%, meaning the leasehold value decreases by approximately 0.69% per year at the current remaining lease.

What flat types are available at Block 421 Ang Mo Kio Avenue 10?

Block 421 Ang Mo Kio Avenue 10 in Ang Mo Kio contains 3 room, 4 room flats. Resale prices range from $285,000 to $490,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 421 Ang Mo Kio Avenue 10 gone up or down?

Resale prices at Block 421 Ang Mo Kio Avenue 10 have increased by approximately 28.2% over the past five years. The current median price is $375,000, with the most recent sale at $458,000 in 2026-02.

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