Blk 521 Serangoon Nth Ave 4 is an HDB block in Serangoon (completed in 1991, 12 storeys, 77 units). 88 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Serangoon |
|---|---|
| Completed | 1991 |
| Lease from | 1992 |
| Storeys | 12 |
| Dwelling units | 77 |
| Unit mix (sold) | 4-room ×55 · 5-room ×22 |
| Recorded resales | 88 since 1990 |
For a typical 4-room flat here, our price model estimates $528,882–$591,630 (central estimate $560,256). Recent sales — median $503,632 — sit below 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 |
|---|---|---|---|
| 1996 | $406,000 | $660,816 | 12 |
| 1997 | $372,500 | $594,270 | 4 |
| 1998 | $308,000 | $492,709 | 5 |
| 1999 | $289,000 | $462,205 | 4 |
| 2000 | $287,500 | $453,686 | 6 |
| 2001 | $298,500 | $466,319 | 6 |
| 2002 | $238,000 | $373,268 | 1 |
| 2003 | $239,500 | $373,796 | 2 |
| 2004 | $230,000 | $353,065 | 1 |
| 2005 | $256,000 | $391,127 | 5 |
| 2006 | $230,000 | $348,041 | 3 |
| 2007 | $256,000 | $379,379 | 3 |
| 2008 | $305,000 | $423,869 | 2 |
| 2009 | $320,500 | $442,805 | 2 |
| 2010 | $380,000 | $510,568 | 4 |
| 2011 | $491,900 | $627,939 | 4 |
| 2012 | $451,000 | $550,509 | 1 |
| 2013 | $451,000 | $537,796 | 4 |
| 2014 | $433,250 | $511,343 | 2 |
| 2015 | $418,000 | $495,937 | 1 |
| 2016 | $530,000 | $632,165 | 1 |
| 2017 | $420,000 | $498,087 | 3 |
| 2018 | $471,500 | $556,722 | 2 |
| 2019 | $384,000 | $450,848 | 2 |
| 2020 | $385,000 | $452,802 | 1 |
| 2021 | $445,000 | $511,521 | 2 |
| 2022 | $463,000 | $501,466 | 3 |
| 2023 | $544,000 | $562,030 | 2 |
| Record sale | $558,000 (4-Room, 2023-08) |
|---|---|
| First recorded sale | $283,000 (1996-04) |
| Busiest year | 1996 · 12 sales |
| 10-year change (real) | +5% (+0.4%/yr, 2013→2023) |
| Total transacted | $31.9M across 88 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2023-08 | 4-Room | 04 TO 06 | 106 | $558,000 |
| 2023-05 | 4-Room | 04 TO 06 | 106 | $530,000 |
| 2022-04 | 4-Room | 01 TO 03 | 106 | $410,000 |
| 2022-04 | 4-Room | 01 TO 03 | 103 | $463,000 |
| 2022-01 | 4-Room | 01 TO 03 | 103 | $465,000 |
| 2021-06 | 4-Room | 10 TO 12 | 106 | $480,000 |
| 2021-04 | 4-Room | 04 TO 06 | 106 | $410,000 |
| 2020-01 | 4-Room | 01 TO 03 | 106 | $385,000 |
| 2019-02 | 4-Room | 01 TO 03 | 106 | $330,000 |
| 2019-02 | 4-Room | 07 TO 09 | 106 | $438,000 |
| 2018-04 | 5-Room | 10 TO 12 | 122 | $500,000 |
| 2018-03 | 5-Room | 01 TO 03 | 123 | $443,000 |
| 2017-09 | 4-Room | 04 TO 06 | 106 | $400,000 |
| 2017-09 | 5-Room | 07 TO 09 | 122 | $485,000 |
| 2017-05 | 4-Room | 07 TO 09 | 106 | $420,000 |
| 2016-08 | 5-Room | 07 TO 09 | 123 | $530,000 |
| 2015-12 | 4-Room | 04 TO 06 | 106 | $418,000 |
| 2014-09 | 4-Room | 10 TO 12 | 106 | $430,000 |
| 2014-03 | 4-Room | 04 TO 06 | 106 | $436,500 |
| 2013-11 | 4-Room | 07 TO 09 | 106 | $442,000 |
| 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.
For a typical 4-room flat here, our price model estimates $528,882–$591,630 (central estimate $560,256). Recent sales — median $503,632 — sit below that range.
The block was completed in 1991 and its 99-year lease runs from 1992.