Block 507 Serangoon North Avenue 4

4 Room · 5 Room · Built 1997 · 70 years remaining lease MOP Cleared
Latest Sale
$840,000
Sep 2025 · 5 ROOM · #04-06
Median $/sqm
$4,750
Based on 21 transactions
Total Transactions
21
Since Jan 2017
5-Year Trend
▲ +40%
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 70 years remaining 99 years
70 years 9 months
Remaining lease
↓ 0.34%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 70 years remaining, decay is gradual (~0.34%/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
Sep 2025 04 TO 06 5 ROOM 121 sqm $840,000 $6,942
May 2025 07 TO 09 5 ROOM 120 sqm $853,888 $7,116
May 2025 07 TO 09 5 ROOM 120 sqm $828,000 $6,900
Jul 2024 07 TO 09 5 ROOM 121 sqm $760,000 $6,281
Mar 2024 01 TO 03 5 ROOM 121 sqm $673,000 $5,562
Mar 2024 07 TO 09 5 ROOM 120 sqm $780,000 $6,500
Jul 2023 10 TO 12 4 ROOM 100 sqm $560,000 $5,600
May 2023 01 TO 03 5 ROOM 120 sqm $650,000 $5,417
Dec 2022 10 TO 12 5 ROOM 120 sqm $720,888 $6,007
Mar 2022 04 TO 06 4 ROOM 100 sqm $475,000 $4,750
Jul 2021 07 TO 09 5 ROOM 120 sqm $600,000 $5,000
Jun 2020 07 TO 09 4 ROOM 100 sqm $400,000 $4,000
May 2019 04 TO 06 4 ROOM 100 sqm $418,888 $4,189
Apr 2019 01 TO 03 5 ROOM 121 sqm $478,888 $3,958
Nov 2018 01 TO 03 5 ROOM 121 sqm $475,000 $3,926
Jun 2018 10 TO 12 4 ROOM 100 sqm $408,388 $4,084
Sep 2017 04 TO 06 4 ROOM 100 sqm $425,000 $4,250
Sep 2017 01 TO 03 5 ROOM 120 sqm $520,000 $4,333
Apr 2017 04 TO 06 4 ROOM 100 sqm $411,500 $4,115
Mar 2017 01 TO 03 4 ROOM 100 sqm $390,000 $3,900
Showing 20 of 21 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 507 Serangoon North Avenue 4

Block 507 at Serangoon North Avenue 4 is a residential HDB block in Serangoon, Singapore, built in 1997 with approximately 70 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $390,000 to $853,888 based on 21 recorded transactions since January 2017. The most recent transaction was a 5 room flat on storeys 04 TO 06 sold for $840,000 in 2025-09. The current median price per square metre is $4,750. Over the past five years, resale prices at this block have increased by approximately 40%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.9123, with an annual lease decay rate of approximately 0.34%. 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 507 Serangoon North Avenue 4 worth?

The most recent resale transaction at Block 507 Serangoon North Avenue 4 was $840,000 for a 5 room flat in 2025-09. The median price per square metre across all flat types is $4,750, based on 21 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 507 Serangoon North Avenue 4?

Block 507 Serangoon North Avenue 4 was built in 1997 and has approximately 70 years and 9 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.34%, meaning the leasehold value decreases by approximately 0.34% per year at the current remaining lease.

What flat types are available at Block 507 Serangoon North Avenue 4?

Block 507 Serangoon North Avenue 4 in Serangoon contains 4 room, 5 room flats. Resale prices range from $390,000 to $853,888 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 507 Serangoon North Avenue 4 gone up or down?

Resale prices at Block 507 Serangoon North Avenue 4 have increased by approximately 40% over the past five years. The current median price is $520,000, with the most recent sale at $840,000 in 2025-09.

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