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Block 121 Ang Mo Kio Avenue 3

3 Room · 4 Room · Executive · Built 1978 · 51 years remaining lease MOP Cleared
Latest Sale
$378,888
May 2026 · 3 ROOM · Floor 10-12
Median $/sqm
$4,652
Based on 56 transactions
Total Transactions
56
Since Jan 2017
5-Year Trend
▲ +30.6%
Median price change
Median Price ?
Top 76%
#275 / 363 Top 76%
Latest Sale ?
Top 93%
#337 / 363 Top 93%
Value ($/sqm) ?
Top 76%
#276 / 363 Top 76%
5-Year Growth ?
Top 59%
#162 / 274 Top 59%
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
+5.5%/yr
vs
Lease Decay
−0.72%/yr
Growth assumption
Based on this block’s +30.6% 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 51 years remaining 99 years
51 years 6 months
Remaining lease
↓ 0.72%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 51 years remaining, decay is gradual (~0.72%/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
May 2026 10 TO 12 3 ROOM 67 sqm $378,888 $5,655
Apr 2026 01 TO 03 3 ROOM 67 sqm $360,000 $5,373
Mar 2026 04 TO 06 3 ROOM 67 sqm $405,000 $6,045
Sep 2025 04 TO 06 3 ROOM 67 sqm $432,000 $6,448
Sep 2025 04 TO 06 3 ROOM 67 sqm $418,888 $6,252
Jul 2025 04 TO 06 3 ROOM 67 sqm $420,000 $6,269
Dec 2024 01 TO 03 3 ROOM 67 sqm $400,000 $5,970
Aug 2024 01 TO 03 3 ROOM 67 sqm $355,000 $5,299
Jul 2024 01 TO 03 3 ROOM 67 sqm $378,000 $5,642
Jul 2024 10 TO 12 3 ROOM 67 sqm $395,000 $5,896
Jul 2024 04 TO 06 3 ROOM 67 sqm $420,000 $6,269
Apr 2024 07 TO 09 4 ROOM 92 sqm $500,000 $5,435
Mar 2024 07 TO 09 3 ROOM 67 sqm $375,000 $5,597
Nov 2023 04 TO 06 3 ROOM 67 sqm $368,000 $5,493
May 2023 10 TO 12 3 ROOM 67 sqm $388,000 $5,791
Jan 2023 01 TO 03 3 ROOM 67 sqm $346,000 $5,164
Nov 2022 07 TO 09 3 ROOM 67 sqm $395,000 $5,896
Oct 2022 04 TO 06 3 ROOM 67 sqm $391,800 $5,848
Sep 2022 07 TO 09 3 ROOM 67 sqm $375,000 $5,597
Sep 2022 10 TO 12 3 ROOM 67 sqm $380,000 $5,672
Showing 20 of 56 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 121 Ang Mo Kio Avenue 3

Block 121 at Ang Mo Kio Avenue 3 is a residential HDB block in Ang Mo Kio, Singapore, built in 1978 with approximately 51 years remaining on its 99-year lease. The block contains 3 room, 4 room, executive flats, with resale prices ranging from $211,000 to $800,000 based on 56 recorded transactions since January 2017. The most recent transaction was a 3 room flat on storeys 10 TO 12 sold for $378,888 in 2026-05. The current median price per square metre is $4,652. Over the past five years, resale prices at this block have increased by approximately 30.6%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8300, with an annual lease decay rate of approximately 0.72%. 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 121 Ang Mo Kio Avenue 3 worth?

The most recent resale transaction at Block 121 Ang Mo Kio Avenue 3 was $378,888 for a 3 room flat in 2026-05. The median price per square metre across all flat types is $4,652, based on 56 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 121 Ang Mo Kio Avenue 3?

Block 121 Ang Mo Kio Avenue 3 was built in 1978 and has approximately 51 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 0.72%, meaning the leasehold value decreases by approximately 0.72% per year at the current remaining lease.

What flat types are available at Block 121 Ang Mo Kio Avenue 3?

Block 121 Ang Mo Kio Avenue 3 in Ang Mo Kio contains 3 room, 4 room, executive flats. Resale prices range from $211,000 to $800,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 121 Ang Mo Kio Avenue 3 gone up or down?

Resale prices at Block 121 Ang Mo Kio Avenue 3 have increased by approximately 30.6% over the past five years. The current median price is $345,500, with the most recent sale at $378,888 in 2026-05.

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