Block 221 Bishan Street 23

4 Room · 5 Room · Built 1992 · 65 years remaining lease MOP Cleared
Latest Sale
$828,000
Aug 2025 · 4 ROOM · #04-06
Median $/sqm
$6,748
Based on 16 transactions
Total Transactions
16
Since Jan 2017
5-Year Trend
▲ +23.9%
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 65 years remaining 99 years
65 years 11 months
Remaining lease
↓ 0.40%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 65 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
Aug 2025 04 TO 06 4 ROOM 113 sqm $828,000 $7,327
Jul 2025 01 TO 03 4 ROOM 113 sqm $838,000 $7,416
May 2025 16 TO 18 4 ROOM 106 sqm $900,000 $8,491
Sep 2024 16 TO 18 4 ROOM 114 sqm $888,000 $7,789
Dec 2023 10 TO 12 4 ROOM 103 sqm $780,000 $7,573
Mar 2023 01 TO 03 4 ROOM 108 sqm $738,000 $6,833
Dec 2022 04 TO 06 5 ROOM 138 sqm $988,888 $7,166
Jan 2022 01 TO 03 4 ROOM 108 sqm $650,000 $6,019
Jun 2021 13 TO 15 4 ROOM 102 sqm $635,000 $6,225
Jun 2021 07 TO 09 4 ROOM 114 sqm $718,000 $6,298
Mar 2020 07 TO 09 5 ROOM 128 sqm $860,000 $6,719
Nov 2019 04 TO 06 5 ROOM 121 sqm $820,000 $6,777
Jan 2019 13 TO 15 4 ROOM 102 sqm $610,000 $5,980
Jul 2018 16 TO 18 5 ROOM 138 sqm $895,000 $6,486
Mar 2018 04 TO 06 4 ROOM 102 sqm $598,000 $5,863
Dec 2017 13 TO 15 5 ROOM 138 sqm $868,000 $6,290
Showing 16 of 16 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 221 Bishan Street 23

Block 221 at Bishan Street 23 is a residential HDB block in Bishan, Singapore, built in 1992 with approximately 65 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $598,000 to $988,888 based on 16 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 04 TO 06 sold for $828,000 in 2025-08. The current median price per square metre is $6,748. Over the past five years, resale prices at this block have increased by approximately 23.9%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.8964, 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 221 Bishan Street 23 worth?

The most recent resale transaction at Block 221 Bishan Street 23 was $828,000 for a 4 room flat in 2025-08. The median price per square metre across all flat types is $6,748, based on 16 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 221 Bishan Street 23?

Block 221 Bishan Street 23 was built in 1992 and has approximately 65 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 0.40%, meaning the leasehold value decreases by approximately 0.40% per year at the current remaining lease.

What flat types are available at Block 221 Bishan Street 23?

Block 221 Bishan Street 23 in Bishan contains 4 room, 5 room flats. Resale prices range from $598,000 to $988,888 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 221 Bishan Street 23 gone up or down?

Resale prices at Block 221 Bishan Street 23 have increased by approximately 23.9% over the past five years. The current median price is $824,000, with the most recent sale at $828,000 in 2025-08.

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