Blk 511 Serangoon Nth Ave 4 is an HDB block in Serangoon (completed in 1995, 11 storeys, 80 units). As of Jul 2026, its median resale price over the last 24 months is $706,500, about 9% below the Serangoon median, from 4 sales. 83 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Serangoon |
|---|---|
| Completed | 1995 |
| Lease from | 1997 |
| Storeys | 11 |
| Dwelling units | 80 |
| Unit mix (sold) | 4-room ×40 · 5-room ×40 |
| Recorded resales | 83 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $639,000 | $6,390/m² | 2 |
| 5-Room | $820,000 | $6,777/m² | 2 |
Median monthly rent at this block: $3,400/mo (4 rental contracts, last 12 months).
Estimated gross rental yield: ~5.8% (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 73% of Serangoon blocks with recent sales.
For a typical 5-room flat here, our price model estimates $675,966–$756,165 (central estimate $716,065). Recent sales — median $728,366 — 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 |
|---|---|---|---|
| 2001 | $275,000 | $429,607 | 22 |
| 2002 | $342,000 | $536,376 | 11 |
| 2003 | $236,000 | $368,333 | 1 |
| 2004 | $232,000 | $356,135 | 3 |
| 2005 | $295,000 | $450,712 | 3 |
| 2006 | $286,000 | $432,781 | 1 |
| 2007 | $278,000 | $411,982 | 3 |
| 2008 | $368,000 | $511,422 | 1 |
| 2009 | $349,000 | $482,181 | 4 |
| 2010 | $418,500 | $562,297 | 2 |
| 2011 | $465,000 | $593,600 | 2 |
| 2012 | $570,000 | $695,765 | 3 |
| 2013 | $445,000 | $530,642 | 1 |
| 2014 | $490,000 | $578,322 | 2 |
| 2017 | $446,000 | $528,921 | 3 |
| 2018 | $479,444 | $566,102 | 2 |
| 2019 | $488,000 | $572,952 | 3 |
| 2020 | $420,000 | $493,965 | 3 |
| 2021 | $459,000 | $527,614 | 4 |
| 2022 | $615,000 | $666,094 | 2 |
| 2023 | $705,000 | $728,366 | 1 |
| 2024 | $635,000 | $640,734 | 3 |
| 2025 | $820,000 | $820,000 | 2 |
| 2026 | $643,000 | $643,000 | 1 |
| Record sale | $870,000 (5-Room, 2025-11) |
|---|---|
| First recorded sale | $270,000 (2001-01) |
| Busiest year | 2001 · 22 sales |
| Total transacted | $32.7M across 83 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-04 | 4-Room | 07 TO 09 | 100 | $643,000 |
| 2025-11 | 5-Room | 07 TO 09 | 121 | $870,000 |
| 2025-07 | 5-Room | 04 TO 06 | 121 | $770,000 |
| 2024-12 | 4-Room | 07 TO 09 | 100 | $635,000 |
| 2024-04 | 4-Room | 07 TO 09 | 100 | $592,388 |
| 2024-04 | 5-Room | 04 TO 06 | 120 | $698,000 |
| 2023-05 | 5-Room | 01 TO 03 | 121 | $705,000 |
| 2022-02 | 5-Room | 07 TO 09 | 121 | $680,000 |
| 2022-01 | 5-Room | 01 TO 03 | 120 | $550,000 |
| 2021-12 | 5-Room | 01 TO 03 | 121 | $575,000 |
| 2021-09 | 4-Room | 04 TO 06 | 100 | $460,000 |
| 2021-06 | 4-Room | 07 TO 09 | 100 | $458,000 |
| 2021-05 | 4-Room | 01 TO 03 | 100 | $418,000 |
| 2020-09 | 4-Room | 04 TO 06 | 100 | $420,000 |
| 2020-06 | 4-Room | 10 TO 12 | 100 | $410,000 |
| 2020-06 | 5-Room | 07 TO 09 | 120 | $548,000 |
| 2019-10 | 4-Room | 07 TO 09 | 100 | $400,000 |
| 2019-09 | 5-Room | 04 TO 06 | 121 | $488,000 |
| 2019-06 | 5-Room | 04 TO 06 | 121 | $510,000 |
| 2018-03 | 4-Room | 10 TO 12 | 100 | $423,888 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 519 | $1,193,084 | $8,033/m² |
| 2. Blk 506A | $1,130,000 | $7,740/m² |
| 3. Blk 527 | $1,092,500 | $7,483/m² |
| 4. Blk 526 | $1,083,000 | $7,318/m² |
| 5. Blk 520 | $1,059,000 | $7,156/m² |
| 6. Blk 537 | $1,059,000 | $7,204/m² |
| 7. Blk 525 | $1,038,888 | $7,000/m² |
| 8. Blk 542 | $1,015,444 | $6,908/m² |
| 9. Blk 506 | $1,010,000 | $6,966/m² |
| 10. Blk 539 | $1,008,944 | $6,864/m² |
| 11. Blk 535 | $983,888 | $6,693/m² |
| 12. Blk 506B | $970,000 | $6,644/m² |
| 13. Blk 507 | $840,000 | $6,942/m² |
| 14. Blk 523 | $827,500 | $6,783/m² |
| 15. Blk 510 | $808,000 | $6,790/m² |
Showing the top 15 of 40 blocks.
The median resale price over the last 24 months is $706,500 (4 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 $675,966–$756,165 (central estimate $716,065). Recent sales — median $728,366 — sit within that range.
The median monthly rent is $3,400/mo over the last 12 months (4 contracts).
The block was completed in 1995 and its 99-year lease runs from 1997.