Blk 423 Hougang Ave 6 is an HDB block in Hougang (completed in 1989, 10 storeys, 90 units). As of Jul 2026, its median resale price over the last 24 months is $656,444, about 16% above the Hougang median, from 2 sales. 105 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Hougang |
|---|---|
| Completed | 1989 |
| Lease from | 1989 |
| Storeys | 10 |
| Dwelling units | 90 |
| Unit mix (sold) | 4-room ×72 · 5-room ×18 |
| Recorded resales | 105 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $656,444 | $6,508/m² | 2 |
Median monthly rent at this block: $3,500/mo (3 rental contracts, last 12 months).
Estimated gross rental yield: ~6.4% (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 33% of Hougang blocks with recent sales.
For a typical 4-room flat here, our price model estimates $548,133–$613,166 (central estimate $580,650). Recent sales — median $595,511 — 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 |
|---|---|---|---|
| 1994 | $179,500 | $301,301 | 4 |
| 1995 | $258,000 | $425,723 | 7 |
| 1996 | $323,000 | $525,723 | 8 |
| 1997 | $346,000 | $551,993 | 4 |
| 1998 | $301,500 | $482,311 | 10 |
| 1999 | $290,000 | $463,804 | 7 |
| 2000 | $340,000 | $536,533 | 5 |
| 2001 | $264,800 | $413,673 | 6 |
| 2002 | $256,500 | $402,282 | 6 |
| 2003 | $280,000 | $437,005 | 3 |
| 2004 | $257,000 | $394,512 | 2 |
| 2005 | $244,000 | $372,792 | 5 |
| 2006 | $258,000 | $390,411 | 3 |
| 2008 | $337,000 | $468,340 | 5 |
| 2009 | $387,000 | $534,682 | 5 |
| 2010 | $402,000 | $540,127 | 3 |
| 2011 | $444,500 | $567,430 | 2 |
| 2012 | $465,000 | $567,598 | 3 |
| 2013 | $500,000 | $596,227 | 1 |
| 2014 | $445,000 | $525,211 | 1 |
| 2016 | $474,500 | $565,966 | 4 |
| 2018 | $465,000 | $549,047 | 3 |
| 2020 | $428,000 | $503,374 | 1 |
| 2021 | $521,500 | $599,457 | 2 |
| 2022 | $540,000 | $584,863 | 2 |
| 2024 | $620,000 | $625,599 | 2 |
| 2025 | $662,888 | $662,888 | 1 |
| Record sale | $662,888 (4-Room, 2025-07) |
|---|---|
| First recorded sale | $177,000 (1994-10) |
| Busiest year | 1998 · 10 sales |
| Total transacted | $35.9M across 105 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-07 | 4-Room | 07 TO 09 | 94 | $662,888 |
| 2024-08 | 4-Room | 04 TO 06 | 109 | $650,000 |
| 2024-02 | 4-Room | 04 TO 06 | 103 | $590,000 |
| 2022-07 | 4-Room | 07 TO 09 | 105 | $550,000 |
| 2022-04 | 4-Room | 04 TO 06 | 113 | $530,000 |
| 2021-12 | 4-Room | 01 TO 03 | 105 | $488,000 |
| 2021-07 | 5-Room | 07 TO 09 | 123 | $555,000 |
| 2020-06 | 4-Room | 04 TO 06 | 105 | $428,000 |
| 2018-07 | 4-Room | 07 TO 09 | 94 | $368,000 |
| 2018-06 | 4-Room | 07 TO 09 | 110 | $465,000 |
| 2018-06 | 4-Room | 07 TO 09 | 110 | $498,000 |
| 2016-07 | 4-Room | 07 TO 09 | 103 | $481,000 |
| 2016-05 | 4-Room | 07 TO 09 | 109 | $468,000 |
| 2016-03 | 4-Room | 04 TO 06 | 105 | $428,000 |
| 2016-01 | 5-Room | 01 TO 03 | 122 | $520,000 |
| 2014-04 | 4-Room | 01 TO 03 | 105 | $445,000 |
| 2013-06 | 4-Room | 10 TO 12 | 109 | $500,000 |
| 2012-03 | 4-Room | 06 TO 10 | 110 | $465,000 |
| 2012-02 | 4-Room | 04 TO 06 | 109 | $476,000 |
| 2012-02 | 4-Room | 07 TO 09 | 105 | $435,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 430 | $1,055,000 | $7,128/m² |
| 2. Blk 429 | $1,030,000 | $7,055/m² |
| 3. Blk 428 | $1,015,000 | $6,876/m² |
| 4. Blk 522 | $998,000 | $6,883/m² |
| 5. Blk 427 | $978,000 | $6,745/m² |
| 6. Blk 533 | $978,000 | $6,745/m² |
| 7. Blk 521 | $740,000 | $6,777/m² |
| 8. Blk 426 | $715,000 | $6,810/m² |
| 9. Blk 432 | $710,000 | $6,011/m² |
| 10. Blk 424 | $691,000 | $6,401/m² |
| 11. Blk 425 | $685,000 | $6,524/m² |
| 12. Blk 423 | $656,444 | $6,508/m² |
| 13. Blk 531 | $648,888 | $5,934/m² |
| 14. Blk 525 | $620,000 | $5,741/m² |
| 15. Blk 524 | $620,000 | $6,139/m² |
Showing the top 15 of 23 blocks.
The median resale price over the last 24 months is $656,444 (2 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 $548,133–$613,166 (central estimate $580,650). Recent sales — median $595,511 — sit within that range.
The median monthly rent is $3,500/mo over the last 12 months (3 contracts).
The block was completed in 1989 and its 99-year lease runs from 1989.