Block 173 Ang Mo Kio Avenue 4

4 Room · Built 1982 · 55 years remaining lease MOP Cleared
Latest Sale
$540,000
Jan 2026 · 4 ROOM · #01-03
Median $/sqm
$4,896
Based on 22 transactions
Total Transactions
22
Since Jan 2017
5-Year Trend
▲ +18.9%
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 55 years remaining 99 years
55 years
Remaining lease
↓ 0.62%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 55 years remaining, decay is gradual (~0.62%/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
Jan 2026 01 TO 03 4 ROOM 92 sqm $540,000 $5,870
Aug 2025 04 TO 06 4 ROOM 92 sqm $525,000 $5,707
Jan 2025 04 TO 06 4 ROOM 91 sqm $555,880 $6,109
Jan 2025 01 TO 03 4 ROOM 91 sqm $510,000 $5,604
Nov 2024 07 TO 09 4 ROOM 92 sqm $561,000 $6,098
Jun 2024 01 TO 03 4 ROOM 91 sqm $492,888 $5,416
Dec 2023 10 TO 12 4 ROOM 92 sqm $566,000 $6,152
Apr 2023 07 TO 09 4 ROOM 91 sqm $478,000 $5,253
Aug 2022 01 TO 03 4 ROOM 92 sqm $440,000 $4,783
Mar 2022 01 TO 03 4 ROOM 91 sqm $447,888 $4,922
Jan 2022 13 TO 15 4 ROOM 92 sqm $475,000 $5,163
Nov 2021 10 TO 12 4 ROOM 91 sqm $500,000 $5,495
Jul 2021 01 TO 03 4 ROOM 92 sqm $448,000 $4,870
Apr 2021 01 TO 03 4 ROOM 91 sqm $365,000 $4,011
Mar 2020 01 TO 03 4 ROOM 91 sqm $353,000 $3,879
Jan 2020 10 TO 12 4 ROOM 91 sqm $385,000 $4,231
May 2019 07 TO 09 4 ROOM 92 sqm $370,000 $4,022
Feb 2019 04 TO 06 4 ROOM 91 sqm $375,000 $4,121
Jan 2019 04 TO 06 4 ROOM 92 sqm $395,000 $4,293
Apr 2018 13 TO 15 4 ROOM 92 sqm $389,000 $4,228
Showing 20 of 22 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 173 Ang Mo Kio Avenue 4

Block 173 at Ang Mo Kio Avenue 4 is a residential HDB block in Ang Mo Kio, Singapore, built in 1982 with approximately 55 years remaining on its 99-year lease. The block contains 4 room flats, with resale prices ranging from $353,000 to $566,000 based on 22 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 01 TO 03 sold for $540,000 in 2026-01. The current median price per square metre is $4,896. Over the past five years, resale prices at this block have increased by approximately 18.9%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8492, with an annual lease decay rate of approximately 0.62%. 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 173 Ang Mo Kio Avenue 4 worth?

The most recent resale transaction at Block 173 Ang Mo Kio Avenue 4 was $540,000 for a 4 room flat in 2026-01. The median price per square metre across all flat types is $4,896, based on 22 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 173 Ang Mo Kio Avenue 4?

Block 173 Ang Mo Kio Avenue 4 was built in 1982 and has approximately 55 years remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.62%, meaning the leasehold value decreases by approximately 0.62% per year at the current remaining lease.

What flat types are available at Block 173 Ang Mo Kio Avenue 4?

Block 173 Ang Mo Kio Avenue 4 in Ang Mo Kio contains 4 room flats. Resale prices range from $353,000 to $566,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 173 Ang Mo Kio Avenue 4 gone up or down?

Resale prices at Block 173 Ang Mo Kio Avenue 4 have increased by approximately 18.9% over the past five years. The current median price is $447,944, with the most recent sale at $540,000 in 2026-01.

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