Block 231A Sumang Lane

4 Room · 5 Room · Built 2018 · 91 years remaining lease MOP Cleared
Latest Sale
$660,000
Jan 2026 · 4 ROOM · #16-18
Median $/sqm
$6,372
Based on 26 transactions
Total Transactions
26
Since Jan 2017
5-Year Trend
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Insufficient data
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 91 years remaining 99 years
91 years 11 months
Remaining lease
↓ 0.15%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 91 years remaining, decay is gradual (~0.15%/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
Jan 2026 16 TO 18 4 ROOM 93 sqm $660,000 $7,097
Jan 2026 10 TO 12 4 ROOM 93 sqm $660,888 $7,106
Oct 2025 13 TO 15 5 ROOM 113 sqm $788,000 $6,973
Aug 2025 04 TO 06 4 ROOM 93 sqm $618,000 $6,645
Jun 2025 13 TO 15 4 ROOM 93 sqm $653,000 $7,022
May 2025 16 TO 18 4 ROOM 93 sqm $665,000 $7,151
Apr 2025 10 TO 12 5 ROOM 113 sqm $725,000 $6,416
Nov 2024 04 TO 06 5 ROOM 113 sqm $710,000 $6,283
Sep 2024 04 TO 06 5 ROOM 113 sqm $738,000 $6,531
Aug 2024 13 TO 15 4 ROOM 93 sqm $632,000 $6,796
Jul 2024 13 TO 15 5 ROOM 113 sqm $720,000 $6,372
May 2024 07 TO 09 4 ROOM 93 sqm $605,000 $6,505
Apr 2024 16 TO 18 4 ROOM 93 sqm $596,000 $6,409
Mar 2024 07 TO 09 4 ROOM 93 sqm $590,000 $6,344
Dec 2023 07 TO 09 5 ROOM 113 sqm $678,000 $6,000
Nov 2023 07 TO 09 4 ROOM 93 sqm $560,000 $6,022
Oct 2023 04 TO 06 4 ROOM 93 sqm $555,000 $5,968
Jul 2023 07 TO 09 5 ROOM 113 sqm $720,000 $6,372
May 2023 16 TO 18 5 ROOM 113 sqm $728,888 $6,450
Apr 2023 07 TO 09 4 ROOM 93 sqm $580,000 $6,237
Showing 20 of 26 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 231A Sumang Lane

Block 231A at Sumang Lane is a residential HDB block in Punggol, Singapore, built in 2018 with approximately 91 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $530,000 to $788,000 based on 26 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 16 TO 18 sold for $660,000 in 2026-01. The current median price per square metre is $6,372. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.9577, with an annual lease decay rate of approximately 0.15%. 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 231A Sumang Lane worth?

The most recent resale transaction at Block 231A Sumang Lane was $660,000 for a 4 room flat in 2026-01. The median price per square metre across all flat types is $6,372, based on 26 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 231A Sumang Lane?

Block 231A Sumang Lane was built in 2018 and has approximately 91 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 0.15%, meaning the leasehold value decreases by approximately 0.15% per year at the current remaining lease.

What flat types are available at Block 231A Sumang Lane?

Block 231A Sumang Lane in Punggol contains 4 room, 5 room flats. Resale prices range from $530,000 to $788,000 based on historical transaction records from data.gov.sg.

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