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Block 508 Serangoon North Avenue 4

4 Room · 5 Room · Built 1997 · 70 years remaining lease · Updated May 2026 MOP Cleared

Block 508 Serangoon North Avenue 4 has 22 recorded HDB resale transactions since 2017. Latest sale: $858,000 (May 2026, 5 room, floors 07–09). Median $4,763/sqm. Prices up 32.4% over the past five years. Built 1997, 70 years lease remaining.

Latest Sale
$858,000
May 2026 · 5 ROOM · Floor 07-09
Median $/sqm
$4,763
Based on 22 transactions
Total Transactions
22
Since Jan 2017
5-Year Trend
▲ +32.4%
Median price change
Median Price ?
Top 47%
#106 / 227 Top 47%
Latest Sale ?
Top 25%
#56 / 227 Top 25%
Value ($/sqm) ?
Top 74%
#168 / 227 Top 74%
5-Year Growth ?
Top 66%
#102 / 155 Top 66%
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
+5.8%/yr
vs
Lease Decay
−0.35%/yr
Growth assumption
Based on this block’s +32.4% 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 70 years remaining 99 years
70 years
Remaining lease
↓ 0.35%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 70 years remaining, decay is gradual (~0.35%/yr). It accelerates significantly below 40 years. Market appreciation (historically 2-4%/yr) currently outpaces lease decay for this block.
Rental & Yield

What this block rents for, and the gross rental yield (annual rent ÷ resale price). This block has too few rentals on record, so figures shown are the Serangoon average.

Flat type Median rent /mo Gross yield Based on
4-Room $3,400 typically $3,100–$3,700 6.2% Serangoon avg · block too thin
5-Room $3,600 typically $3,400–$3,900 5.3% Serangoon avg · block too thin
Gross yield is annual rent before maintenance, property tax, and vacancy, so net return is lower. Renting out a whole HDB flat requires meeting the 5-year Minimum Occupation Period and HDB approval. Rents are owner-declared to HDB and unverified.
Source: HDB Renting Out of Flats, data.gov.sg (Singapore Open Data Licence).
Primary schools nearby

This block is inside the 1 km Primary 1 priority zone for 1 popular school. When a school is oversubscribed, MOE ballots by home–school distance, and homes within 1 km are drawn first.

Compare homes near all 50 popular schools
Distances are straight-line estimates from this block, indicative only. MOE measures from its own school reference point, so confirm the exact distance before relying on it.
All Transactions
Date Floor Type Area Price $/sqm
May 2026 07 TO 09 5 ROOM 121 sqm $858,000 $7,091
Dec 2025 04 TO 06 4 ROOM 100 sqm $610,000 $6,100
Jan 2025 01 TO 03 5 ROOM 121 sqm $760,000 $6,281
Aug 2024 10 TO 12 5 ROOM 120 sqm $790,000 $6,583
May 2023 04 TO 06 4 ROOM 101 sqm $525,000 $5,198
May 2023 10 TO 12 4 ROOM 100 sqm $533,500 $5,335
May 2023 07 TO 09 4 ROOM 101 sqm $550,000 $5,446
Apr 2023 04 TO 06 5 ROOM 120 sqm $660,000 $5,500
Mar 2023 04 TO 06 5 ROOM 121 sqm $603,000 $4,983
Feb 2023 04 TO 06 5 ROOM 121 sqm $645,000 $5,331
Nov 2021 07 TO 09 5 ROOM 121 sqm $677,000 $5,595
Feb 2021 01 TO 03 5 ROOM 120 sqm $545,000 $4,542
Oct 2019 04 TO 06 4 ROOM 100 sqm $398,000 $3,980
Oct 2019 04 TO 06 5 ROOM 120 sqm $510,000 $4,250
Jul 2019 01 TO 03 4 ROOM 101 sqm $385,000 $3,812
Jul 2019 01 TO 03 5 ROOM 120 sqm $505,000 $4,208
May 2018 01 TO 03 5 ROOM 121 sqm $450,000 $3,719
May 2018 01 TO 03 5 ROOM 121 sqm $480,000 $3,967
Apr 2018 07 TO 09 4 ROOM 100 sqm $425,000 $4,250
Jul 2017 01 TO 03 4 ROOM 100 sqm $370,000 $3,700
Showing 20 of 22 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 508 Serangoon North Avenue 4

Block 508 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 $370,000 to $858,000 based on 22 recorded transactions since January 2017. The most recent transaction was a 5 room flat on storeys 07 TO 09 sold for $858,000 in 2026-05. The current median price per square metre is $4,763. Over the past five years, resale prices at this block have increased by approximately 32.4%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.9100, with an annual lease decay rate of approximately 0.35%. 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 508 Serangoon North Avenue 4 worth?

The most recent resale transaction at Block 508 Serangoon North Avenue 4 was $858,000 for a 5 room flat in 2026-05. The median price per square metre across all flat types is $4,763, based on 22 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 508 Serangoon North Avenue 4?

Block 508 Serangoon North Avenue 4 was built in 1997 and has approximately 70 years remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.35%, meaning the leasehold value decreases by approximately 0.35% per year at the current remaining lease.

What flat types are available at Block 508 Serangoon North Avenue 4?

Block 508 Serangoon North Avenue 4 in Serangoon contains 4 room, 5 room flats. Resale prices range from $370,000 to $858,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 508 Serangoon North Avenue 4 gone up or down?

Resale prices at Block 508 Serangoon North Avenue 4 have increased by approximately 32.4% over the past five years. The current median price is $536,750, with the most recent sale at $858,000 in 2026-05.

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