Blk 427 Choa Chu Kang Ave 4 is an HDB block in Choa Chu Kang (completed in 1990, 12 storeys, 88 units). As of Jul 2026, its median resale price over the last 24 months is $550,000, about 2% below the Choa Chu Kang median, from 6 sales. 101 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Choa Chu Kang |
|---|---|
| Completed | 1990 |
| Lease from | 1992 |
| Storeys | 12 |
| Dwelling units | 88 |
| Unit mix (sold) | 4-room ×66 · 5-room ×22 |
| Recorded resales | 101 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $526,944 | $5,067/m² | 4 |
| 5-Room | $662,500 | $5,019/m² | 2 |
Median monthly rent at this block: $3,250/mo (2 rental contracts, last 12 months).
Estimated gross rental yield: ~7.1% (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 88% of Choa Chu Kang blocks with recent sales.
For a typical 4-room flat here, our price model estimates $496,905–$555,860 (central estimate $526,382). Recent sales — median $510,000 — sit within 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 |
|---|---|---|---|
| 1996 | $350,000 | $569,669 | 5 |
| 1997 | $325,000 | $518,490 | 9 |
| 1998 | $280,000 | $447,917 | 6 |
| 1999 | $258,000 | $412,626 | 11 |
| 2000 | $272,000 | $429,227 | 6 |
| 2001 | $222,500 | $347,591 | 4 |
| 2002 | $216,900 | $340,175 | 4 |
| 2003 | $230,000 | $358,969 | 5 |
| 2004 | $282,000 | $432,889 | 3 |
| 2005 | $220,250 | $336,506 | 4 |
| 2006 | $211,000 | $319,289 | 4 |
| 2007 | $248,000 | $367,524 | 3 |
| 2008 | $300,000 | $416,920 | 2 |
| 2010 | $367,000 | $493,101 | 5 |
| 2011 | $424,944 | $542,466 | 4 |
| 2012 | $385,000 | $469,946 | 1 |
| 2015 | $379,500 | $450,259 | 2 |
| 2016 | $366,000 | $436,551 | 1 |
| 2017 | $330,500 | $391,947 | 4 |
| 2018 | $435,000 | $513,624 | 1 |
| 2019 | $330,000 | $387,447 | 3 |
| 2020 | $440,000 | $517,487 | 3 |
| 2021 | $530,000 | $609,227 | 1 |
| 2022 | $558,000 | $604,359 | 1 |
| 2023 | $493,000 | $509,340 | 1 |
| 2024 | $507,944 | $512,531 | 4 |
| 2025 | $612,500 | $612,500 | 4 |
| Record sale | $665,000 (5-Room, 2025-05) |
|---|---|
| First recorded sale | $280,000 (1996-05) |
| Busiest year | 1999 · 11 sales |
| 10-year change (real) | +36% (+3.1%/yr, 2015→2025) |
| Total transacted | $33.7M across 101 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-08 | 5-Room | 07 TO 09 | 132 | $660,000 |
| 2025-05 | 4-Room | 07 TO 09 | 104 | $565,000 |
| 2025-05 | 5-Room | 07 TO 09 | 132 | $665,000 |
| 2025-01 | 4-Room | 01 TO 03 | 104 | $510,000 |
| 2024-09 | 4-Room | 07 TO 09 | 104 | $518,888 |
| 2024-09 | 4-Room | 10 TO 12 | 104 | $535,000 |
| 2024-07 | 4-Room | 01 TO 03 | 104 | $497,000 |
| 2024-03 | 4-Room | 01 TO 03 | 104 | $480,000 |
| 2023-03 | 4-Room | 10 TO 12 | 104 | $493,000 |
| 2022-01 | 5-Room | 10 TO 12 | 132 | $558,000 |
| 2021-10 | 5-Room | 01 TO 03 | 132 | $530,000 |
| 2020-09 | 4-Room | 07 TO 09 | 104 | $370,000 |
| 2020-06 | 5-Room | 07 TO 09 | 132 | $455,000 |
| 2020-03 | 5-Room | 10 TO 12 | 132 | $440,000 |
| 2019-07 | 4-Room | 04 TO 06 | 104 | $333,000 |
| 2019-02 | 4-Room | 10 TO 12 | 104 | $330,000 |
| 2019-01 | 4-Room | 01 TO 03 | 104 | $310,000 |
| 2018-04 | 5-Room | 04 TO 06 | 132 | $435,000 |
| 2017-12 | 4-Room | 04 TO 06 | 104 | $315,000 |
| 2017-09 | 4-Room | 07 TO 09 | 104 | $331,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 420 | $865,000 | $5,845/m² |
| 2. Blk 419 | $861,500 | $5,821/m² |
| 3. Blk 448 | $815,000 | $5,791/m² |
| 4. Blk 437 | $815,000 | $5,660/m² |
| 5. Blk 454 | $750,000 | $5,282/m² |
| 6. Blk 461 | $741,000 | $5,218/m² |
| 7. Blk 436 | $735,000 | $4,966/m² |
| 8. Blk 305 | $715,000 | $5,543/m² |
| 9. Blk 438 | $698,000 | $5,248/m² |
| 10. Blk 458 | $682,500 | $5,123/m² |
| 11. Blk 417 | $666,944 | $5,312/m² |
| 12. Blk 429 | $663,944 | $5,197/m² |
| 13. Blk 457 | $648,000 | $5,268/m² |
| 14. Blk 431 | $644,000 | $5,537/m² |
| 15. Blk 441 | $635,000 | $5,241/m² |
Showing the top 15 of 52 blocks.
The median resale price over the last 24 months is $550,000 (6 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 $496,905–$555,860 (central estimate $526,382). Recent sales — median $510,000 — sit within that range.
The median monthly rent is $3,250/mo over the last 12 months (2 contracts).
The block was completed in 1990 and its 99-year lease runs from 1992.