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Block 230J Tampines Street 21

Executive · Built 1993 · 66 years remaining lease MOP Cleared
Latest Sale
$910,000
Apr 2026 · EXECUTIVE · Floor 01-03
Median $/sqm
$4,535
Based on 12 transactions
Total Transactions
12
Since Jan 2017
5-Year Trend
▲ +30%
Median price change
Median Price ?
Top 18%
#144 / 787 Top 18%
Latest Sale ?
Top 13%
#99 / 787 Top 13%
Value ($/sqm) ?
Top 81%
#640 / 787 Top 81%
5-Year Growth ?
Top 77%
#422 / 547 Top 77%
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
+5.4%/yr
vs
Lease Decay
−0.40%/yr
Growth assumption
Based on this block’s +30% 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 66 years remaining 99 years
66 years 3 months
Remaining lease
↓ 0.40%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 66 years remaining, decay is gradual (~0.40%/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
Apr 2026 01 TO 03 EXECUTIVE 151 sqm $910,000 $6,026
Jan 2022 04 TO 06 EXECUTIVE 149 sqm $740,000 $4,966
Jan 2022 07 TO 09 EXECUTIVE 155 sqm $740,000 $4,774
Sep 2021 07 TO 09 EXECUTIVE 150 sqm $730,000 $4,867
Aug 2021 01 TO 03 EXECUTIVE 150 sqm $658,000 $4,387
Jul 2021 04 TO 06 EXECUTIVE 155 sqm $700,000 $4,516
Dec 2020 04 TO 06 EXECUTIVE 149 sqm $680,000 $4,564
Sep 2020 10 TO 12 EXECUTIVE 150 sqm $683,000 $4,553
Mar 2019 07 TO 09 EXECUTIVE 155 sqm $650,000 $4,194
Sep 2017 10 TO 12 EXECUTIVE 149 sqm $645,000 $4,329
Aug 2017 04 TO 06 EXECUTIVE 155 sqm $635,000 $4,097
May 2017 01 TO 03 EXECUTIVE 149 sqm $545,000 $3,658
Showing 12 of 12 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 230J Tampines Street 21

Block 230J at Tampines Street 21 is a residential HDB block in Tampines, Singapore, built in 1993 with approximately 66 years remaining on its 99-year lease. The block contains executive flats, with resale prices ranging from $545,000 to $910,000 based on 12 recorded transactions since January 2017. The most recent transaction was a executive flat on storeys 01 TO 03 sold for $910,000 in 2026-04. The current median price per square metre is $4,535. Over the past five years, resale prices at this block have increased by approximately 30%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8976, with an annual lease decay rate of approximately 0.40%. 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 230J Tampines Street 21 worth?

The most recent resale transaction at Block 230J Tampines Street 21 was $910,000 for a executive flat in 2026-04. The median price per square metre across all flat types is $4,535, based on 12 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 230J Tampines Street 21?

Block 230J Tampines Street 21 was built in 1993 and has approximately 66 years and 3 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.40%, meaning the leasehold value decreases by approximately 0.40% per year at the current remaining lease.

What flat types are available at Block 230J Tampines Street 21?

Block 230J Tampines Street 21 in Tampines contains executive flats. Resale prices range from $545,000 to $910,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 230J Tampines Street 21 gone up or down?

Resale prices at Block 230J Tampines Street 21 have increased by approximately 30% over the past five years. The current median price is $681,500, with the most recent sale at $910,000 in 2026-04.

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