Block 231B Sumang Lane

4 Room · 5 Room · Built 2018 · 92 years remaining lease MOP Cleared
Latest Sale
$760,000
Aug 2025 · 5 ROOM · #01-03
Median $/sqm
$6,354
Based on 29 transactions
Total Transactions
29
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 92 years remaining 99 years
92 years 4 months
Remaining lease
↓ 0.15%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 92 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
Aug 2025 01 TO 03 5 ROOM 113 sqm $760,000 $6,726
Jul 2025 16 TO 18 4 ROOM 93 sqm $680,000 $7,312
Feb 2025 07 TO 09 5 ROOM 113 sqm $805,000 $7,124
Dec 2024 10 TO 12 5 ROOM 113 sqm $775,000 $6,858
Sep 2024 16 TO 18 4 ROOM 93 sqm $645,000 $6,935
Jul 2024 01 TO 03 5 ROOM 113 sqm $710,000 $6,283
Jul 2024 13 TO 15 5 ROOM 113 sqm $745,000 $6,593
Jun 2024 04 TO 06 5 ROOM 113 sqm $680,000 $6,018
May 2024 13 TO 15 4 ROOM 93 sqm $618,888 $6,655
May 2024 10 TO 12 5 ROOM 113 sqm $758,000 $6,708
Jan 2024 04 TO 06 5 ROOM 113 sqm $685,000 $6,062
Jan 2024 10 TO 12 5 ROOM 113 sqm $740,000 $6,549
Oct 2023 10 TO 12 4 ROOM 93 sqm $578,888 $6,225
Oct 2023 16 TO 18 5 ROOM 113 sqm $745,000 $6,593
Sep 2023 04 TO 06 4 ROOM 93 sqm $555,000 $5,968
Sep 2023 01 TO 03 5 ROOM 113 sqm $710,000 $6,283
Sep 2023 16 TO 18 5 ROOM 113 sqm $742,000 $6,566
Jul 2023 13 TO 15 4 ROOM 93 sqm $592,000 $6,366
Jun 2023 07 TO 09 4 ROOM 93 sqm $550,000 $5,914
May 2023 16 TO 18 4 ROOM 93 sqm $565,000 $6,075
Showing 20 of 29 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 231B Sumang Lane

Block 231B at Sumang Lane is a residential HDB block in Punggol, Singapore, built in 2018 with approximately 92 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $550,000 to $805,000 based on 29 recorded transactions since January 2017. The most recent transaction was a 5 room flat on storeys 01 TO 03 sold for $760,000 in 2025-08. The current median price per square metre is $6,354. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.9583, 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 231B Sumang Lane worth?

The most recent resale transaction at Block 231B Sumang Lane was $760,000 for a 5 room flat in 2025-08. The median price per square metre across all flat types is $6,354, based on 29 transactions since January 2017. Data sourced from data.gov.sg.

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

Block 231B Sumang Lane was built in 2018 and has approximately 92 years and 4 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 231B Sumang Lane?

Block 231B Sumang Lane in Punggol contains 4 room, 5 room flats. Resale prices range from $550,000 to $805,000 based on historical transaction records from data.gov.sg.

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