Blk 21 Hougang Ave 3 is an HDB block in Hougang (completed in 1977, 12 storeys, 130 units). As of Jul 2026, its median resale price over the last 24 months is $502,944, about 11% below the Hougang median, from 4 sales. 142 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Hougang |
|---|---|
| Completed | 1977 |
| Lease from | 1978 |
| Storeys | 12 |
| Dwelling units | 130 |
| Unit mix (sold) | 3-room ×106 · 4-room ×22 · 5-room ×1 · exec ×1 |
| Recorded resales | 142 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 3-Room | $425,000 | $5,822/m² | 1 |
| 4-Room | $505,000 | $5,153/m² | 3 |
Median monthly rent at this block: $2,750/mo (6 rental contracts, last 12 months).
Estimated gross rental yield: ~6.6% (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 100% of Hougang blocks with recent sales.
For a typical 3-room flat here, our price model estimates $349,493–$390,958 (central estimate $370,226). Recent sales — median $377,682 — 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 |
|---|---|---|---|
| 1990 | $50,800 | $95,103 | 3 |
| 1991 | $41,850 | $75,742 | 6 |
| 1992 | $58,000 | $102,668 | 8 |
| 1993 | $60,000 | $103,829 | 2 |
| 1994 | $92,500 | $155,266 | 4 |
| 1996 | $165,000 | $268,558 | 7 |
| 1997 | $186,000 | $296,736 | 5 |
| 1998 | $164,500 | $263,151 | 10 |
| 1999 | $152,000 | $243,097 | 9 |
| 2000 | $160,500 | $253,275 | 9 |
| 2001 | $144,000 | $224,958 | 4 |
| 2002 | $143,000 | $224,274 | 3 |
| 2003 | $170,000 | $265,325 | 3 |
| 2004 | $179,000 | $274,777 | 7 |
| 2005 | $166,500 | $254,385 | 4 |
| 2006 | $175,000 | $264,813 | 5 |
| 2007 | $218,000 | $323,065 | 1 |
| 2008 | $258,000 | $358,551 | 3 |
| 2009 | $240,000 | $331,586 | 3 |
| 2010 | $302,000 | $405,767 | 5 |
| 2011 | $320,000 | $408,499 | 6 |
| 2012 | $341,500 | $416,849 | 2 |
| 2013 | $455,000 | $542,566 | 1 |
| 2014 | $376,000 | $443,774 | 2 |
| 2015 | $335,000 | $397,461 | 1 |
| 2016 | $320,500 | $382,281 | 2 |
| 2017 | $301,500 | $357,556 | 8 |
| 2018 | $276,250 | $326,181 | 2 |
| 2019 | $315,000 | $369,836 | 3 |
| 2020 | $295,000 | $346,952 | 1 |
| 2021 | $318,000 | $365,536 | 1 |
| 2022 | $370,000 | $400,740 | 2 |
| 2023 | $360,000 | $371,932 | 5 |
| 2024 | $380,000 | $383,431 | 1 |
| 2025 | $505,000 | $505,000 | 3 |
| 2026 | $425,000 | $425,000 | 1 |
| Record sale | $519,000 (4-Room, 2025-06) |
|---|---|
| First recorded sale | $50,800 (1990-01) |
| Busiest year | 1998 · 10 sales |
| 10-year change (real) | +11% (+1.1%/yr, 2016→2026) |
| Total transacted | $30.6M across 142 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-06 | 3-Room | 01 TO 03 | 73 | $425,000 |
| 2025-09 | 4-Room | 01 TO 03 | 98 | $505,000 |
| 2025-06 | 4-Room | 04 TO 06 | 98 | $519,000 |
| 2025-02 | 4-Room | 04 TO 06 | 98 | $500,888 |
| 2024-04 | 3-Room | 07 TO 09 | 73 | $380,000 |
| 2023-08 | 3-Room | 04 TO 06 | 88 | $435,228 |
| 2023-06 | 3-Room | 10 TO 12 | 73 | $378,000 |
| 2023-04 | 3-Room | 10 TO 12 | 73 | $358,000 |
| 2023-02 | 3-Room | 01 TO 03 | 73 | $358,888 |
| 2023-02 | 3-Room | 10 TO 12 | 73 | $360,000 |
| 2022-11 | 3-Room | 07 TO 09 | 73 | $400,000 |
| 2022-04 | 3-Room | 04 TO 06 | 73 | $340,000 |
| 2021-12 | 3-Room | 01 TO 03 | 73 | $318,000 |
| 2020-08 | 3-Room | 01 TO 03 | 73 | $295,000 |
| 2019-09 | 3-Room | 07 TO 09 | 88 | $315,000 |
| 2019-04 | 4-Room | 01 TO 03 | 98 | $330,000 |
| 2019-01 | 3-Room | 01 TO 03 | 73 | $290,000 |
| 2018-05 | 3-Room | 10 TO 12 | 73 | $290,000 |
| 2018-01 | 3-Room | 01 TO 03 | 73 | $262,500 |
| 2017-12 | 3-Room | 01 TO 03 | 73 | $267,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 249 | $670,000 | $5,537/m² |
| 2. Blk 251 | $656,444 | $5,425/m² |
| 3. Blk 16 | $645,000 | $5,321/m² |
| 4. Blk 253 | $525,000 | $5,591/m² |
| 5. Blk 21 | $502,944 | $5,224/m² |
| 6. Blk 252 | $500,888 | $6,237/m² |
| 7. Blk 18 | $500,000 | $5,435/m² |
| 8. Blk 19 | $457,500 | $5,386/m² |
| 9. Blk 15 | $455,000 | $5,549/m² |
| 10. Blk 247 | $455,000 | $6,754/m² |
| 11. Blk 250 | $440,000 | $6,567/m² |
| 12. Blk 254 | $432,800 | $6,460/m² |
| 13. Blk 22 | $430,000 | $5,760/m² |
| 14. Blk 20 | $427,500 | $5,651/m² |
| 15. Blk 17 | $425,444 | $5,719/m² |
Showing the top 15 of 22 blocks.
The median resale price over the last 24 months is $502,944 (4 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical 3-room flat here, our price model estimates $349,493–$390,958 (central estimate $370,226). Recent sales — median $377,682 — sit within that range.
The median monthly rent is $2,750/mo over the last 12 months (6 contracts).
The block was completed in 1977 and its 99-year lease runs from 1978.