Block 321 Hougang Avenue 5

3 Room · 4 Room · Built 1983 · 56 years remaining lease MOP Cleared
Latest Sale
$538,000
Dec 2025 · 4 ROOM · #10-12
Median $/sqm
$4,806
Based on 31 transactions
Total Transactions
31
Since Jan 2017
5-Year Trend
▲ +58.9%
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 56 years remaining 99 years
56 years 3 months
Remaining lease
↓ 0.59%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 56 years remaining, decay is gradual (~0.59%/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
Dec 2025 10 TO 12 4 ROOM 93 sqm $538,000 $5,785
Sep 2025 07 TO 09 4 ROOM 93 sqm $548,000 $5,892
May 2025 04 TO 06 3 ROOM 67 sqm $422,000 $6,299
Apr 2025 10 TO 12 4 ROOM 95 sqm $550,000 $5,789
Feb 2025 10 TO 12 3 ROOM 67 sqm $441,000 $6,582
Apr 2024 07 TO 09 4 ROOM 96 sqm $520,000 $5,417
Mar 2024 04 TO 06 3 ROOM 67 sqm $395,000 $5,896
Mar 2024 04 TO 06 3 ROOM 67 sqm $403,000 $6,015
Jan 2024 07 TO 09 3 ROOM 67 sqm $382,000 $5,701
Dec 2023 07 TO 09 3 ROOM 67 sqm $370,000 $5,522
Aug 2023 01 TO 03 3 ROOM 67 sqm $365,000 $5,448
Mar 2023 01 TO 03 3 ROOM 67 sqm $360,000 $5,373
Aug 2022 04 TO 06 4 ROOM 93 sqm $430,000 $4,624
Jul 2022 04 TO 06 4 ROOM 93 sqm $430,000 $4,624
Aug 2021 07 TO 09 3 ROOM 67 sqm $342,000 $5,104
Jun 2021 10 TO 12 3 ROOM 67 sqm $335,000 $5,000
Apr 2021 10 TO 12 4 ROOM 93 sqm $388,000 $4,172
Mar 2021 01 TO 03 3 ROOM 67 sqm $290,000 $4,328
Aug 2020 07 TO 09 3 ROOM 67 sqm $325,000 $4,851
Jun 2020 01 TO 03 3 ROOM 67 sqm $270,000 $4,030
Showing 20 of 31 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 321 Hougang Avenue 5

Block 321 at Hougang Avenue 5 is a residential HDB block in Hougang, Singapore, built in 1983 with approximately 56 years remaining on its 99-year lease. The block contains 3 room, 4 room flats, with resale prices ranging from $260,000 to $550,000 based on 31 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 10 TO 12 sold for $538,000 in 2025-12. The current median price per square metre is $4,806. Over the past five years, resale prices at this block have increased by approximately 58.9%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8556, with an annual lease decay rate of approximately 0.59%. 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 321 Hougang Avenue 5 worth?

The most recent resale transaction at Block 321 Hougang Avenue 5 was $538,000 for a 4 room flat in 2025-12. The median price per square metre across all flat types is $4,806, based on 31 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 321 Hougang Avenue 5?

Block 321 Hougang Avenue 5 was built in 1983 and has approximately 56 years and 3 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.59%, meaning the leasehold value decreases by approximately 0.59% per year at the current remaining lease.

What flat types are available at Block 321 Hougang Avenue 5?

Block 321 Hougang Avenue 5 in Hougang contains 3 room, 4 room flats. Resale prices range from $260,000 to $550,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 321 Hougang Avenue 5 gone up or down?

Resale prices at Block 321 Hougang Avenue 5 have increased by approximately 58.9% over the past five years. The current median price is $353,000, with the most recent sale at $538,000 in 2025-12.

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