Blk 233 Hougang St 21 is an HDB block in Hougang (completed in 1983, 4 storeys, 28 units). As of Jul 2026, its median resale price over the last 24 months is $1,000,000, about 77% above the Hougang median, from 1 sales. 29 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Hougang |
|---|---|
| Completed | 1983 |
| Lease from | 1984 |
| Storeys | 4 |
| Dwelling units | 28 |
| Unit mix (sold) | 4-room ×8 · 5-room ×20 |
| Recorded resales | 29 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 5-Room | $1,000,000 | $7,194/m² | 1 |
On price per square metre, this block is cheaper than 11% of Hougang blocks with recent sales.
For a typical 5-room flat here, our price model estimates $823,837–$921,580 (central estimate $872,708). Recent sales — median $980,412 — 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 |
|---|---|---|---|
| 1993 | $284,000 | $491,458 | 4 |
| 1994 | $168,000 | $281,997 | 1 |
| 1995 | $390,000 | $643,535 | 1 |
| 1998 | $307,800 | $492,389 | 1 |
| 1999 | $381,000 | $609,343 | 4 |
| 2001 | $228,000 | $356,183 | 1 |
| 2002 | $338,000 | $530,103 | 1 |
| 2005 | $329,444 | $503,337 | 4 |
| 2008 | $452,500 | $628,854 | 2 |
| 2009 | $475,000 | $656,264 | 1 |
| 2010 | $515,000 | $691,954 | 1 |
| 2012 | $655,000 | $799,519 | 1 |
| 2014 | $760,000 | $896,989 | 1 |
| 2015 | $513,000 | $608,650 | 1 |
| 2017 | $670,888 | $795,621 | 1 |
| 2018 | $720,000 | $850,137 | 1 |
| 2023 | $930,000 | $960,824 | 1 |
| 2024 | $621,000 | $626,608 | 1 |
| 2025 | $1,000,000 | $1,000,000 | 1 |
| Record sale | $1,000,000 (5-Room, 2025-09) |
|---|---|
| First recorded sale | $230,000 (1993-06) |
| Busiest year | 1993 · 4 sales |
| 10-year change (real) | +64% (+5.1%/yr, 2015→2025) |
| Total transacted | $13.1M across 29 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-09 | 5-Room | 01 TO 03 | 139 | $1,000,000 |
| 2024-07 | 4-Room | 04 TO 06 | 103 | $621,000 |
| 2023-05 | 5-Room | 01 TO 03 | 139 | $930,000 |
| 2018-07 | 5-Room | 01 TO 03 | 144 | $720,000 |
| 2017-03 | 5-Room | 01 TO 03 | 137 | $670,888 |
| 2015-10 | 4-Room | 01 TO 03 | 110 | $513,000 |
| 2014-01 | 5-Room | 01 TO 03 | 139 | $760,000 |
| 2012-05 | 5-Room | 01 TO 05 | 144 | $655,000 |
| 2010-08 | 5-Room | 01 TO 03 | 139 | $515,000 |
| 2009-08 | 5-Room | 01 TO 03 | 144 | $475,000 |
| 2008-05 | 5-Room | 01 TO 03 | 139 | $485,000 |
| 2008-05 | 5-Room | 01 TO 03 | 139 | $420,000 |
| 2005-12 | 5-Room | 01 TO 03 | 144 | $333,888 |
| 2005-08 | 5-Room | 01 TO 03 | 144 | $338,000 |
| 2005-05 | 5-Room | 01 TO 03 | 144 | $320,000 |
| 2005-04 | 5-Room | 01 TO 03 | 144 | $325,000 |
| 2002-08 | 5-Room | 01 TO 03 | 139 | $338,000 |
| 2001-12 | 4-Room | 01 TO 03 | 103 | $228,000 |
| 1999-12 | 5-Room | 01 TO 03 | 144 | $458,000 |
| 1999-05 | 4-Room | 04 TO 06 | 103 | $245,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 221 | $1,310,000 | $8,799/m² |
| 2. Blk 222 | $1,241,444 | $7,958/m² |
| 3. Blk 237 | $1,100,000 | $7,333/m² |
| 4. Blk 235 | $1,085,000 | $7,000/m² |
| 5. Blk 231 | $1,028,000 | $7,239/m² |
| 6. Blk 233 | $1,000,000 | $7,194/m² |
| 7. Blk 220 | $698,444 | $6,652/m² |
| 8. Blk 211 | $560,000 | $7,563/m² |
The median resale price over the last 24 months is $1,000,000 (1 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical 5-room flat here, our price model estimates $823,837–$921,580 (central estimate $872,708). Recent sales — median $980,412 — sit above that range.
The block was completed in 1983 and its 99-year lease runs from 1984.