Blk 421 Hougang Ave 10 is an HDB block in Hougang (completed in 1988, 13 storeys, 84 units). As of Jul 2026, its median resale price over the last 24 months is $745,000, about 32% above the Hougang median, from 3 sales. 75 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Hougang |
|---|---|
| Completed | 1988 |
| Lease from | 1989 |
| Storeys | 13 |
| Dwelling units | 84 |
| Unit mix (sold) | 4-room ×60 · 5-room ×24 |
| Recorded resales | 75 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $722,500 | $6,394/m² | 2 |
| 5-Room | $780,000 | $6,393/m² | 1 |
Median monthly rent at this block: $3,625/mo (6 rental contracts, last 12 months).
Estimated gross rental yield: ~5.8% (Hougang 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 41% of Hougang blocks with recent sales.
For a typical 4-room flat here, our price model estimates $555,657–$621,582 (central estimate $588,619). Recent sales — median $625,599 — sit above 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 |
|---|---|---|---|
| 1994 | $246,000 | $412,925 | 2 |
| 1995 | $244,000 | $402,622 | 6 |
| 1996 | $371,000 | $603,849 | 2 |
| 1997 | $318,000 | $507,323 | 4 |
| 1998 | $286,500 | $458,316 | 12 |
| 1999 | $361,000 | $577,356 | 3 |
| 2000 | $360,000 | $568,094 | 3 |
| 2001 | $278,000 | $434,294 | 3 |
| 2002 | $253,000 | $396,793 | 3 |
| 2003 | $250,000 | $390,183 | 3 |
| 2004 | $227,500 | $349,228 | 3 |
| 2005 | $244,000 | $372,792 | 4 |
| 2007 | $293,000 | $434,211 | 3 |
| 2008 | $335,000 | $465,561 | 1 |
| 2009 | $328,000 | $453,168 | 1 |
| 2010 | $435,000 | $584,466 | 3 |
| 2011 | $426,000 | $543,814 | 2 |
| 2013 | $472,000 | $562,838 | 1 |
| 2014 | $550,000 | $649,137 | 1 |
| 2015 | $420,000 | $498,310 | 3 |
| 2017 | $582,000 | $690,207 | 1 |
| 2020 | $430,000 | $505,726 | 3 |
| 2021 | $450,000 | $517,269 | 1 |
| 2022 | $522,500 | $565,909 | 2 |
| 2024 | $706,000 | $712,375 | 3 |
| 2025 | $722,500 | $722,500 | 2 |
| Record sale | $780,000 (5-Room, 2024-11) |
|---|---|
| First recorded sale | $170,000 (1994-03) |
| Busiest year | 1998 · 12 sales |
| 10-year change (real) | +45% (+3.8%/yr, 2015→2025) |
| Total transacted | $27.0M across 75 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-07 | 4-Room | 13 TO 15 | 113 | $745,000 |
| 2025-01 | 4-Room | 04 TO 06 | 113 | $700,000 |
| 2024-11 | 5-Room | 13 TO 15 | 122 | $780,000 |
| 2024-05 | 5-Room | 04 TO 06 | 122 | $706,000 |
| 2024-02 | 4-Room | 07 TO 09 | 105 | $620,000 |
| 2022-09 | 4-Room | 10 TO 12 | 103 | $530,000 |
| 2022-04 | 4-Room | 07 TO 09 | 108 | $515,000 |
| 2021-06 | 4-Room | 07 TO 09 | 103 | $450,000 |
| 2020-06 | 4-Room | 13 TO 15 | 105 | $430,000 |
| 2020-05 | 4-Room | 04 TO 06 | 113 | $450,000 |
| 2020-03 | 4-Room | 07 TO 09 | 108 | $425,000 |
| 2017-05 | 5-Room | 10 TO 12 | 131 | $582,000 |
| 2015-09 | 4-Room | 04 TO 06 | 105 | $408,888 |
| 2015-09 | 4-Room | 01 TO 03 | 105 | $420,000 |
| 2015-03 | 4-Room | 10 TO 12 | 113 | $470,000 |
| 2014-09 | 5-Room | 10 TO 12 | 122 | $550,000 |
| 2013-04 | 4-Room | 07 TO 09 | 103 | $472,000 |
| 2011-03 | 4-Room | 10 TO 12 | 103 | $422,000 |
| 2011-03 | 4-Room | 10 TO 12 | 103 | $430,000 |
| 2010-06 | 5-Room | 07 TO 09 | 131 | $455,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 407 | $1,052,500 | $6,895/m² |
| 2. Blk 455 | $1,050,000 | $7,192/m² |
| 3. Blk 508 | $994,000 | $6,702/m² |
| 4. Blk 449 | $985,000 | $6,655/m² |
| 5. Blk 454 | $964,888 | $6,609/m² |
| 6. Blk 462 | $931,944 | $7,205/m² |
| 7. Blk 461 | $918,888 | $7,410/m² |
| 8. Blk 460 | $797,500 | $6,484/m² |
| 9. Blk 463 | $789,888 | $6,933/m² |
| 10. Blk 409 | $757,500 | $6,260/m² |
| 11. Blk 421 | $745,000 | $6,393/m² |
| 12. Blk 408 | $726,500 | $6,314/m² |
| 13. Blk 450 | $725,000 | $6,304/m² |
| 14. Blk 457 | $724,000 | $6,930/m² |
| 15. Blk 451 | $694,944 | $6,385/m² |
Showing the top 15 of 42 blocks.
The median resale price over the last 24 months is $745,000 (3 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 $555,657–$621,582 (central estimate $588,619). Recent sales — median $625,599 — sit above that range.
The median monthly rent is $3,625/mo over the last 12 months (6 contracts).
The block was completed in 1988 and its 99-year lease runs from 1989.