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Block 228 Serangoon Avenue 4

4 Room · Built 1984 · 57 years remaining lease MOP Cleared
Latest Sale
$650,000
Mar 2026 · 4 ROOM · Floor 13-15
Median $/sqm
$5,244
Based on 20 transactions
Total Transactions
20
Since Jan 2017
5-Year Trend
▲ +35.7%
Median price change
Median Price ?
Top 65%
#147 / 227 Top 65%
Latest Sale ?
Top 56%
#127 / 227 Top 56%
Value ($/sqm) ?
Top 56%
#127 / 227 Top 56%
5-Year Growth ?
Top 55%
#83 / 150 Top 55%
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
+6.3%/yr
vs
Lease Decay
−0.56%/yr
Growth assumption
Based on this block’s +35.7% 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 57 years remaining 99 years
57 years 5 months
Remaining lease
↓ 0.56%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 57 years remaining, decay is gradual (~0.56%/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
Mar 2026 13 TO 15 4 ROOM 91 sqm $650,000 $7,143
May 2025 10 TO 12 4 ROOM 93 sqm $676,000 $7,269
May 2025 04 TO 06 4 ROOM 91 sqm $665,000 $7,308
May 2024 10 TO 12 4 ROOM 91 sqm $570,000 $6,264
Feb 2024 10 TO 12 4 ROOM 91 sqm $610,000 $6,703
Feb 2024 10 TO 12 4 ROOM 93 sqm $655,000 $7,043
Nov 2022 07 TO 09 4 ROOM 91 sqm $570,000 $6,264
Aug 2022 04 TO 06 4 ROOM 91 sqm $510,000 $5,604
Oct 2021 10 TO 12 4 ROOM 91 sqm $558,000 $6,132
Jul 2021 10 TO 12 4 ROOM 93 sqm $490,000 $5,269
Jan 2021 01 TO 03 4 ROOM 91 sqm $415,000 $4,560
Nov 2020 04 TO 06 4 ROOM 93 sqm $442,000 $4,753
Sep 2020 04 TO 06 4 ROOM 91 sqm $465,000 $5,110
May 2019 04 TO 06 4 ROOM 91 sqm $450,000 $4,945
May 2019 10 TO 12 4 ROOM 91 sqm $452,000 $4,967
Feb 2019 10 TO 12 4 ROOM 91 sqm $475,000 $5,220
Nov 2018 07 TO 09 4 ROOM 91 sqm $465,000 $5,110
Jul 2018 10 TO 12 4 ROOM 91 sqm $470,000 $5,165
Mar 2018 04 TO 06 4 ROOM 91 sqm $450,008 $4,945
Nov 2017 10 TO 12 4 ROOM 93 sqm $460,000 $4,946
Showing 20 of 20 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 228 Serangoon Avenue 4

Block 228 at Serangoon Avenue 4 is a residential HDB block in Serangoon, Singapore, built in 1984 with approximately 57 years remaining on its 99-year lease. The block contains 4 room flats, with resale prices ranging from $415,000 to $676,000 based on 20 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 13 TO 15 sold for $650,000 in 2026-03. The current median price per square metre is $5,244. Over the past five years, resale prices at this block have increased by approximately 35.7%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8613, with an annual lease decay rate of approximately 0.56%. 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 228 Serangoon Avenue 4 worth?

The most recent resale transaction at Block 228 Serangoon Avenue 4 was $650,000 for a 4 room flat in 2026-03. The median price per square metre across all flat types is $5,244, based on 20 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 228 Serangoon Avenue 4?

Block 228 Serangoon Avenue 4 was built in 1984 and has approximately 57 years and 5 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.56%, meaning the leasehold value decreases by approximately 0.56% per year at the current remaining lease.

What flat types are available at Block 228 Serangoon Avenue 4?

Block 228 Serangoon Avenue 4 in Serangoon contains 4 room flats. Resale prices range from $415,000 to $676,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 228 Serangoon Avenue 4 gone up or down?

Resale prices at Block 228 Serangoon Avenue 4 have increased by approximately 35.7% over the past five years. The current median price is $482,500, with the most recent sale at $650,000 in 2026-03.

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