Block 123 Simei Street 1

4 Room · 5 Room · Built 1988 · 62 years remaining lease MOP Cleared
Latest Sale
$678,000
Nov 2025 · 4 ROOM · #04-06
Median $/sqm
$4,806
Based on 36 transactions
Total Transactions
36
Since Jan 2017
5-Year Trend
▲ +32.7%
Median price change
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 62 years remaining 99 years
62 years 1 months
Remaining lease
↓ 0.47%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 62 years remaining, decay is gradual (~0.47%/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
Nov 2025 04 TO 06 4 ROOM 104 sqm $678,000 $6,519
Nov 2025 01 TO 03 5 ROOM 121 sqm $768,000 $6,347
Aug 2025 01 TO 03 4 ROOM 104 sqm $645,000 $6,202
Jul 2025 01 TO 03 4 ROOM 104 sqm $660,000 $6,346
Jun 2025 07 TO 09 4 ROOM 104 sqm $670,000 $6,442
May 2025 10 TO 12 4 ROOM 104 sqm $675,000 $6,490
Feb 2025 01 TO 03 4 ROOM 104 sqm $620,000 $5,962
Dec 2024 04 TO 06 4 ROOM 104 sqm $640,000 $6,154
Oct 2024 04 TO 06 4 ROOM 104 sqm $680,000 $6,538
Aug 2024 01 TO 03 4 ROOM 104 sqm $610,000 $5,865
Jun 2024 04 TO 06 5 ROOM 121 sqm $750,000 $6,198
May 2024 01 TO 03 4 ROOM 108 sqm $610,000 $5,648
Dec 2023 04 TO 06 4 ROOM 104 sqm $645,888 $6,210
Dec 2022 10 TO 12 4 ROOM 104 sqm $635,000 $6,106
Jan 2022 07 TO 09 4 ROOM 104 sqm $540,000 $5,192
Nov 2021 07 TO 09 4 ROOM 104 sqm $510,000 $4,904
Sep 2021 04 TO 06 4 ROOM 104 sqm $525,000 $5,048
Jul 2021 01 TO 03 5 ROOM 122 sqm $580,000 $4,754
May 2021 04 TO 06 4 ROOM 104 sqm $456,000 $4,385
Apr 2021 07 TO 09 4 ROOM 104 sqm $500,000 $4,808
Showing 20 of 36 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 123 Simei Street 1

Block 123 at Simei Street 1 is a residential HDB block in Tampines, Singapore, built in 1988 with approximately 62 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $408,000 to $768,000 based on 36 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 04 TO 06 sold for $678,000 in 2025-11. The current median price per square metre is $4,806. Over the past five years, resale prices at this block have increased by approximately 32.7%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8818, with an annual lease decay rate of approximately 0.47%. 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 123 Simei Street 1 worth?

The most recent resale transaction at Block 123 Simei Street 1 was $678,000 for a 4 room flat in 2025-11. The median price per square metre across all flat types is $4,806, based on 36 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 123 Simei Street 1?

Block 123 Simei Street 1 was built in 1988 and has approximately 62 years and 1 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.47%, meaning the leasehold value decreases by approximately 0.47% per year at the current remaining lease.

What flat types are available at Block 123 Simei Street 1?

Block 123 Simei Street 1 in Tampines contains 4 room, 5 room flats. Resale prices range from $408,000 to $768,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 123 Simei Street 1 gone up or down?

Resale prices at Block 123 Simei Street 1 have increased by approximately 32.7% over the past five years. The current median price is $558,000, with the most recent sale at $678,000 in 2025-11.

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