Blk 447 Choa Chu Kang Avenue 4 — HDB resale prices
HDB resale prices, Choa Chu Kang · 4-Room · built 1996
median resale price, last 24 months
3 sales in that window · as of Sep 2026
How it compares
Blk 447 Choa Chu Kang Avenue 4 is an HDB block in Choa Chu Kang (completed in 1996, 15 storeys, 108 units). As of Sep 2026, its median resale price over the last 24 months is $560,000, about 5% below the Choa Chu Kang median, from 3 sales. 94 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 4-room ×56 · 5-room ×52
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $3,550/mo (1 rental contracts, last 12 months).
Estimated gross rental yield: ~7.6% (Choa Chu Kang average: ~6.5%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 37% of Choa Chu Kang blocks with recent sales.
What the price model says
For a typical 4-room flat here, our price model estimates $481,053–$537,803 (central estimate $509,428). Recent sales — median $509,560 — sit within that range. The model explains 94% of resale prices with a typical error of ±6%. Indicative only — not an official valuation.
Median resale price by year
| Year | Median (nominal) | Median (today's $) | Sales |
|---|---|---|---|
| 2002 | $310,000 | $486,189 | 29 |
| 2003 | $267,000 | $416,716 | 8 |
| 2004 | $280,000 | $429,819 | 1 |
| 2005 | $223,500 | $341,472 | 5 |
| 2006 | $229,350 | $347,057 | 4 |
| 2007 | $255,000 | $377,897 | 3 |
| 2008 | $318,250 | $442,283 | 2 |
| 2009 | $301,000 | $415,864 | 4 |
| 2010 | $343,500 | $461,527 | 2 |
| 2011 | $380,000 | $485,092 | 2 |
| 2012 | $469,000 | $572,480 | 5 |
| 2013 | $420,000 | $500,830 | 1 |
| 2015 | $383,000 | $454,411 | 1 |
| 2016 | $349,888 | $417,334 | 4 |
| 2017 | $332,500 | $394,319 | 4 |
| 2018 | $345,000 | $407,357 | 3 |
| 2019 | $425,000 | $498,985 | 1 |
| 2020 | $430,000 | $505,726 | 3 |
| 2021 | $462,500 | $531,637 | 2 |
| 2022 | $495,000 | $536,125 | 2 |
| 2023 | $491,888 | $508,191 | 3 |
| 2024 | $532,500 | $537,308 | 2 |
| 2025 | $560,000 | $560,000 | 2 |
| 2026 | $550,000 | $550,000 | 1 |
Records
| Record sale | $572,000 (5-Room, 2023-03) |
|---|---|
| First recorded sale | $221,000 (2002-03) |
| Busiest year | 2002 · 29 sales |
| 10-year change (real) | +32% (+2.8%/yr, 2016→2026) |
| Total transacted | $31.5M across 94 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-09 | 4-Room | 13–15 | 100 m² | $550,000 |
| 2025-05 | 4-Room | 10–12 | 100 m² | $560,000 |
| 2025-02 | 4-Room | 10–12 | 101 m² | $560,000 |
| 2024-07 | 4-Room | 10–12 | 100 m² | $505,000 |
| 2024-03 | 5-Room | 01–03 | 122 m² | $560,000 |
| 2023-05 | 4-Room | 04–06 | 100 m² | $491,888 |
| 2023-03 | 5-Room | 04–06 | 121 m² | $572,000 |
| 2023-03 | 4-Room | 07–09 | 100 m² | $458,000 |
| 2022-10 | 4-Room | 13–15 | 101 m² | $470,000 |
| 2022-08 | 5-Room | 01–03 | 122 m² | $520,000 |
| 2021-10 | 5-Room | 10–12 | 118 m² | $530,000 |
| 2021-04 | 4-Room | 07–09 | 100 m² | $395,000 |
| 2020-12 | 5-Room | 04–06 | 118 m² | $441,288 |
| 2020-12 | 5-Room | 04–06 | 119 m² | $430,000 |
| 2020-01 | 5-Room | 07–09 | 119 m² | $390,000 |
| 2019-12 | 5-Room | 07–09 | 119 m² | $425,000 |
| 2018-09 | 5-Room | 01–03 | 120 m² | $380,000 |
| 2018-06 | 4-Room | 10–12 | 100 m² | $345,000 |
| 2018-05 | 4-Room | 10–12 | 100 m² | $327,000 |
| 2017-10 | 4-Room | 04–06 | 101 m² | $320,000 |
Choa Chu Kang Avenue 4 blocks ranked by price
Showing the top 15 of 53 priced blocks.
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Quick answers
How much does a flat at Blk 447 Choa Chu Kang Avenue 4 cost?
The median resale price over the last 24 months is $560,000 (3 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 447 Choa Chu Kang Avenue 4 fairly priced?
For a typical 4-room flat here, our price model estimates $481,053–$537,803 (central estimate $509,428). Recent sales — median $509,560 — sit within that range.
What is the rent at Blk 447 Choa Chu Kang Avenue 4?
The median monthly rent is $3,550/mo over the last 12 months (1 contracts).
How old is Blk 447 Choa Chu Kang Avenue 4?
The block was completed in 1996 and its 99-year lease runs from 1997.