Block 523 Serangoon North Avenue 4

4 Room · 5 Room · Built 1992 · 65 years remaining lease MOP Cleared
Latest Sale
$825,000
Dec 2025 · 5 ROOM · #04-06
Median $/sqm
$4,723
Based on 20 transactions
Total Transactions
20
Since Jan 2017
5-Year Trend
▲ +64.2%
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 65 years remaining 99 years
65 years 11 months
Remaining lease
↓ 0.40%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 65 years remaining, decay is gradual (~0.40%/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 04 TO 06 5 ROOM 122 sqm $825,000 $6,762
Aug 2025 10 TO 12 4 ROOM 104 sqm $670,000 $6,442
Jun 2025 04 TO 06 5 ROOM 122 sqm $830,000 $6,803
Apr 2025 07 TO 09 5 ROOM 122 sqm $830,888 $6,811
Nov 2023 01 TO 03 5 ROOM 122 sqm $667,000 $5,467
Mar 2023 07 TO 09 4 ROOM 104 sqm $520,000 $5,000
Mar 2023 01 TO 03 5 ROOM 122 sqm $650,000 $5,328
Jul 2022 07 TO 09 4 ROOM 104 sqm $500,000 $4,808
Nov 2021 10 TO 12 4 ROOM 104 sqm $488,000 $4,692
Nov 2021 01 TO 03 4 ROOM 104 sqm $520,000 $5,000
Jun 2021 07 TO 09 5 ROOM 122 sqm $580,000 $4,754
Apr 2021 04 TO 06 4 ROOM 104 sqm $475,000 $4,567
Dec 2020 01 TO 03 5 ROOM 122 sqm $468,888 $3,843
Jun 2020 01 TO 03 5 ROOM 122 sqm $458,000 $3,754
Dec 2019 04 TO 06 5 ROOM 122 sqm $465,000 $3,811
Jul 2019 07 TO 09 5 ROOM 122 sqm $520,000 $4,262
Aug 2018 07 TO 09 5 ROOM 122 sqm $528,000 $4,328
Apr 2018 04 TO 06 5 ROOM 122 sqm $485,000 $3,975
Mar 2018 04 TO 06 5 ROOM 122 sqm $510,000 $4,180
Aug 2017 04 TO 06 5 ROOM 122 sqm $480,000 $3,934
Showing 20 of 20 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 523 Serangoon North Avenue 4

Block 523 at Serangoon North Avenue 4 is a residential HDB block in Serangoon, Singapore, built in 1992 with approximately 65 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $458,000 to $830,888 based on 20 recorded transactions since January 2017. The most recent transaction was a 5 room flat on storeys 04 TO 06 sold for $825,000 in 2025-12. The current median price per square metre is $4,723. Over the past five years, resale prices at this block have increased by approximately 64.2%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8964, with an annual lease decay rate of approximately 0.40%. 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 523 Serangoon North Avenue 4 worth?

The most recent resale transaction at Block 523 Serangoon North Avenue 4 was $825,000 for a 5 room flat in 2025-12. The median price per square metre across all flat types is $4,723, based on 20 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 523 Serangoon North Avenue 4?

Block 523 Serangoon North Avenue 4 was built in 1992 and has approximately 65 years and 11 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.40%, meaning the leasehold value decreases by approximately 0.40% per year at the current remaining lease.

What flat types are available at Block 523 Serangoon North Avenue 4?

Block 523 Serangoon North Avenue 4 in Serangoon contains 4 room, 5 room flats. Resale prices range from $458,000 to $830,888 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 523 Serangoon North Avenue 4 gone up or down?

Resale prices at Block 523 Serangoon North Avenue 4 have increased by approximately 64.2% over the past five years. The current median price is $520,000, with the most recent sale at $825,000 in 2025-12.

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