Block 631 Choa Chu Kang North 6

4 Room · Executive · Built 1998 · 71 years remaining lease MOP Cleared
Latest Sale
$690,000
Sep 2025 · 4 ROOM · #04-06
Median $/sqm
$4,942
Based on 18 transactions
Total Transactions
18
Since Jan 2017
5-Year Trend
▼ -0.6%
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 71 years remaining 99 years
71 years 5 months
Remaining lease
↓ 0.33%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 71 years remaining, decay is gradual (~0.33%/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
Sep 2025 04 TO 06 4 ROOM 113 sqm $690,000 $6,106
Sep 2025 10 TO 12 4 ROOM 113 sqm $670,000 $5,929
Sep 2025 01 TO 03 4 ROOM 113 sqm $590,000 $5,221
Dec 2024 07 TO 09 4 ROOM 113 sqm $612,888 $5,424
Dec 2024 07 TO 09 4 ROOM 113 sqm $628,000 $5,558
May 2024 04 TO 06 4 ROOM 113 sqm $600,000 $5,310
May 2024 07 TO 09 EXECUTIVE 142 sqm $808,000 $5,690
Dec 2022 10 TO 12 4 ROOM 113 sqm $550,000 $4,867
Dec 2022 10 TO 12 4 ROOM 113 sqm $582,000 $5,150
Jul 2022 07 TO 09 4 ROOM 113 sqm $567,000 $5,018
Aug 2021 01 TO 03 EXECUTIVE 142 sqm $668,000 $4,704
Jan 2021 10 TO 12 EXECUTIVE 142 sqm $680,000 $4,789
Aug 2020 04 TO 06 4 ROOM 113 sqm $460,000 $4,071
Jul 2019 07 TO 09 4 ROOM 113 sqm $470,000 $4,159
Jun 2019 01 TO 03 4 ROOM 113 sqm $410,000 $3,628
Jun 2019 01 TO 03 4 ROOM 113 sqm $460,000 $4,071
Apr 2019 04 TO 06 4 ROOM 113 sqm $392,000 $3,469
Mar 2019 10 TO 12 EXECUTIVE 142 sqm $560,000 $3,944
Showing 18 of 18 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 631 Choa Chu Kang North 6

Block 631 at Choa Chu Kang North 6 is a residential HDB block in Choa Chu Kang, Singapore, built in 1998 with approximately 71 years remaining on its 99-year lease. The block contains 4 room, executive flats, with resale prices ranging from $392,000 to $808,000 based on 18 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 04 TO 06 sold for $690,000 in 2025-09. The current median price per square metre is $4,942. Over the past five years, resale prices at this block have decreased by approximately 0.6%. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.9143, with an annual lease decay rate of approximately 0.33%. 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 631 Choa Chu Kang North 6 worth?

The most recent resale transaction at Block 631 Choa Chu Kang North 6 was $690,000 for a 4 room flat in 2025-09. The median price per square metre across all flat types is $4,942, based on 18 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 631 Choa Chu Kang North 6?

Block 631 Choa Chu Kang North 6 was built in 1998 and has approximately 71 years and 5 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.33%, meaning the leasehold value decreases by approximately 0.33% per year at the current remaining lease.

What flat types are available at Block 631 Choa Chu Kang North 6?

Block 631 Choa Chu Kang North 6 in Choa Chu Kang contains 4 room, executive flats. Resale prices range from $392,000 to $808,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 631 Choa Chu Kang North 6 gone up or down?

Resale prices at Block 631 Choa Chu Kang North 6 have decreased by approximately 0.6% over the past five years. The current median price is $586,000, with the most recent sale at $690,000 in 2025-09.

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