Blk 631 Choa Chu Kang Nth 6 is an HDB block in Choa Chu Kang (completed in 1996, 14 storeys, 73 units). As of Jul 2026, its median resale price over the last 24 months is $628,000, about 12% above the Choa Chu Kang median, from 5 sales. 76 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Choa Chu Kang |
|---|---|
| Completed | 1996 |
| Lease from | 1998 |
| Storeys | 14 |
| Dwelling units | 73 |
| Unit mix (sold) | 4-room ×60 · exec ×13 |
| Recorded resales | 76 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $628,000 | $5,558/m² | 5 |
Median monthly rent at this block: $3,075/mo (4 rental contracts, last 12 months).
Estimated gross rental yield: ~5.9% (Choa Chu Kang average: ~6.4%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 34% of Choa Chu Kang blocks with recent sales.
For a typical 4-room flat here, our price model estimates $630,395–$705,188 (central estimate $667,792). Recent sales — median $618,422 — sit below that range. The model explains 94% of resale prices with a typical error of ±6%. Indicative only — not an official valuation.
| Year | Median (nominal) | Median (today's $) | Sales |
|---|---|---|---|
| 2001 | $272,500 | $425,702 | 10 |
| 2002 | $274,500 | $430,512 | 8 |
| 2003 | $284,500 | $444,029 | 5 |
| 2004 | $284,500 | $436,726 | 2 |
| 2005 | $335,000 | $511,826 | 6 |
| 2006 | $294,000 | $444,887 | 4 |
| 2007 | $290,500 | $430,506 | 2 |
| 2008 | $407,500 | $566,316 | 2 |
| 2009 | $388,500 | $536,755 | 7 |
| 2010 | $465,000 | $624,774 | 3 |
| 2011 | $482,000 | $615,301 | 3 |
| 2012 | $505,000 | $616,423 | 3 |
| 2013 | $541,444 | $645,647 | 2 |
| 2015 | $510,000 | $605,091 | 1 |
| 2019 | $460,000 | $540,078 | 5 |
| 2020 | $460,000 | $541,010 | 1 |
| 2021 | $674,000 | $774,753 | 2 |
| 2022 | $567,000 | $614,106 | 3 |
| 2024 | $620,444 | $626,047 | 4 |
| 2025 | $670,000 | $670,000 | 3 |
| Record sale | $808,000 (Executive, 2024-05) |
|---|---|
| First recorded sale | $268,800 (2001-09) |
| Busiest year | 2001 · 10 sales |
| 10-year change (real) | +11% (+1.0%/yr, 2015→2025) |
| Total transacted | $31.8M across 76 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-09 | 4-Room | 04 TO 06 | 113 | $690,000 |
| 2025-09 | 4-Room | 10 TO 12 | 113 | $670,000 |
| 2025-09 | 4-Room | 01 TO 03 | 113 | $590,000 |
| 2024-12 | 4-Room | 07 TO 09 | 113 | $612,888 |
| 2024-12 | 4-Room | 07 TO 09 | 113 | $628,000 |
| 2024-05 | 4-Room | 04 TO 06 | 113 | $600,000 |
| 2024-05 | Executive | 07 TO 09 | 142 | $808,000 |
| 2022-12 | 4-Room | 10 TO 12 | 113 | $550,000 |
| 2022-12 | 4-Room | 10 TO 12 | 113 | $582,000 |
| 2022-07 | 4-Room | 07 TO 09 | 113 | $567,000 |
| 2021-08 | Executive | 01 TO 03 | 142 | $668,000 |
| 2021-01 | Executive | 10 TO 12 | 142 | $680,000 |
| 2020-08 | 4-Room | 04 TO 06 | 113 | $460,000 |
| 2019-07 | 4-Room | 07 TO 09 | 113 | $470,000 |
| 2019-06 | 4-Room | 01 TO 03 | 113 | $410,000 |
| 2019-06 | 4-Room | 01 TO 03 | 113 | $460,000 |
| 2019-04 | 4-Room | 04 TO 06 | 113 | $392,000 |
| 2019-03 | Executive | 10 TO 12 | 142 | $560,000 |
| 2015-01 | 4-Room | 04 TO 06 | 113 | $510,000 |
| 2013-03 | 4-Room | 04 TO 06 | 113 | $560,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 557 | $888,000 | $6,041/m² |
| 2. Blk 559 | $840,000 | $5,753/m² |
| 3. Blk 561 | $830,000 | $5,685/m² |
| 4. Blk 556 | $828,000 | $5,557/m² |
| 5. Blk 553 | $815,000 | $5,582/m² |
| 6. Blk 632 | $752,000 | $5,921/m² |
| 7. Blk 633 | $745,888 | $5,873/m² |
| 8. Blk 637 | $740,444 | $5,802/m² |
| 9. Blk 791 | $705,000 | $5,508/m² |
| 10. Blk 790 | $652,500 | $5,518/m² |
| 11. Blk 789 | $650,000 | $5,431/m² |
| 12. Blk 631 | $628,000 | $5,558/m² |
| 13. Blk 634 | $620,000 | $5,487/m² |
| 14. Blk 635 | $620,000 | $5,487/m² |
| 15. Blk 788 | $618,000 | $5,568/m² |
Showing the top 15 of 16 blocks.
The median resale price over the last 24 months is $628,000 (5 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical 4-room flat here, our price model estimates $630,395–$705,188 (central estimate $667,792). Recent sales — median $618,422 — sit below that range.
The median monthly rent is $3,075/mo over the last 12 months (4 contracts).
The block was completed in 1996 and its 99-year lease runs from 1998.