Blk 403 Serangoon Ave 1 is an HDB block in Serangoon (completed in 1988, 11 storeys, 80 units). As of Jul 2026, its median resale price over the last 24 months is $885,000, about 13% above the Serangoon median, from 2 sales. 82 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Serangoon |
|---|---|
| Completed | 1988 |
| Lease from | 1988 |
| Storeys | 11 |
| Dwelling units | 80 |
| Unit mix (sold) | 4-room ×60 · 5-room ×20 |
| Recorded resales | 82 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $790,000 | $7,524/m² | 1 |
| 5-Room | $980,000 | $8,099/m² | 1 |
Median monthly rent at this block: $3,600/mo (3 rental contracts, last 12 months).
Estimated gross rental yield: ~4.9% (Serangoon average: ~5.1%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 22% of Serangoon blocks with recent sales.
For a typical 4-room flat here, our price model estimates $657,757–$735,796 (central estimate $696,777). Recent sales — median $751,851 — 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 | $236,500 | $409,260 | 4 |
| 1994 | $249,000 | $417,960 | 2 |
| 1995 | $294,000 | $485,126 | 4 |
| 1996 | $343,750 | $559,496 | 4 |
| 1997 | $450,000 | $717,910 | 9 |
| 1998 | $314,000 | $502,307 | 5 |
| 1999 | $290,000 | $463,804 | 7 |
| 2000 | $331,000 | $522,331 | 6 |
| 2001 | $349,750 | $546,382 | 2 |
| 2002 | $284,000 | $445,412 | 1 |
| 2003 | $275,000 | $429,202 | 5 |
| 2004 | $275,500 | $422,911 | 4 |
| 2005 | $267,500 | $408,697 | 2 |
| 2006 | $291,000 | $440,347 | 4 |
| 2007 | $289,000 | $428,284 | 3 |
| 2008 | $445,000 | $618,431 | 3 |
| 2009 | $423,000 | $584,420 | 1 |
| 2011 | $506,000 | $645,939 | 1 |
| 2012 | $731,000 | $892,288 | 1 |
| 2014 | $579,000 | $683,364 | 2 |
| 2015 | $530,000 | $628,820 | 1 |
| 2016 | $540,000 | $644,092 | 1 |
| 2018 | $668,000 | $788,738 | 1 |
| 2019 | $670,000 | $786,635 | 1 |
| 2020 | $624,000 | $733,891 | 2 |
| 2021 | $685,444 | $787,908 | 2 |
| 2022 | $615,000 | $666,094 | 1 |
| 2023 | $793,000 | $819,283 | 1 |
| 2026 | $885,000 | $885,000 | 2 |
| Record sale | $980,000 (5-Room, 2026-05) |
|---|---|
| First recorded sale | $157,000 (1993-05) |
| Busiest year | 1997 · 9 sales |
| 10-year change (real) | +37% (+3.2%/yr, 2016→2026) |
| Total transacted | $32.0M across 82 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-05 | 4-Room | 04 TO 06 | 105 | $790,000 |
| 2026-05 | 5-Room | 04 TO 06 | 121 | $980,000 |
| 2023-11 | 4-Room | 10 TO 12 | 113 | $793,000 |
| 2022-07 | 4-Room | 01 TO 03 | 105 | $615,000 |
| 2021-12 | 4-Room | 10 TO 12 | 103 | $620,888 |
| 2021-11 | 5-Room | 07 TO 09 | 121 | $750,000 |
| 2020-09 | 5-Room | 04 TO 06 | 121 | $670,000 |
| 2020-08 | 4-Room | 04 TO 06 | 103 | $578,000 |
| 2019-04 | 4-Room | 07 TO 09 | 113 | $670,000 |
| 2018-04 | 4-Room | 04 TO 06 | 105 | $668,000 |
| 2016-07 | 4-Room | 01 TO 03 | 105 | $540,000 |
| 2015-03 | 4-Room | 07 TO 09 | 113 | $530,000 |
| 2014-12 | 4-Room | 07 TO 09 | 105 | $608,000 |
| 2014-10 | 4-Room | 04 TO 06 | 103 | $550,000 |
| 2012-05 | 5-Room | 06 TO 10 | 121 | $731,000 |
| 2011-08 | 4-Room | 01 TO 03 | 105 | $506,000 |
| 2009-10 | 4-Room | 07 TO 09 | 105 | $423,000 |
| 2008-07 | 4-Room | 01 TO 03 | 105 | $380,000 |
| 2008-07 | 4-Room | 07 TO 09 | 113 | $445,000 |
| 2008-05 | 5-Room | 04 TO 06 | 121 | $480,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 405 | $975,000 | $8,049/m² |
| 2. Blk 408 | $947,500 | $8,337/m² |
| 3. Blk 426 | $930,000 | $8,728/m² |
| 4. Blk 407 | $915,000 | $8,325/m² |
| 5. Blk 403 | $885,000 | $7,811/m² |
| 6. Blk 404 | $855,000 | $6,951/m² |
| 7. Blk 425 | $847,500 | $8,012/m² |
| 8. Blk 401 | $838,888 | $7,844/m² |
| 9. Blk 402 | $780,000 | $7,381/m² |
The median resale price over the last 24 months is $885,000 (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 $657,757–$735,796 (central estimate $696,777). Recent sales — median $751,851 — sit above that range.
The median monthly rent is $3,600/mo over the last 12 months (3 contracts).
The block was completed in 1988 and its 99-year lease runs from 1988.