Blk 109 Serangoon Nth Ave 1 is an HDB block in Serangoon (completed in 1984, 13 storeys, 168 units). As of Jul 2026, its median resale price over the last 24 months is $576,000, about 26% below the Serangoon median, from 4 sales. 171 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Serangoon |
|---|---|
| Completed | 1984 |
| Lease from | 1985 |
| Storeys | 13 |
| Dwelling units | 168 |
| Unit mix (sold) | 4-room ×168 |
| Recorded resales | 171 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $576,000 | $6,330/m² | 4 |
Median monthly rent at this block: $2,800/mo (2 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 76% of Serangoon blocks with recent sales.
For a typical 4-room flat here, our price model estimates $508,032–$568,307 (central estimate $538,170). Recent sales — median $562,879 — 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 |
|---|---|---|---|
| 1990 | $91,300 | $170,924 | 3 |
| 1991 | $91,000 | $164,697 | 6 |
| 1992 | $95,000 | $168,163 | 4 |
| 1993 | $170,000 | $294,183 | 3 |
| 1994 | $178,500 | $299,622 | 9 |
| 1995 | $232,000 | $382,821 | 9 |
| 1996 | $300,000 | $488,288 | 6 |
| 1997 | $308,000 | $491,369 | 9 |
| 1998 | $253,000 | $404,725 | 17 |
| 1999 | $238,250 | $381,039 | 20 |
| 2000 | $238,000 | $375,573 | 9 |
| 2001 | $201,500 | $314,785 | 8 |
| 2002 | $194,500 | $305,044 | 6 |
| 2003 | $194,000 | $302,782 | 2 |
| 2004 | $205,000 | $314,689 | 2 |
| 2005 | $213,000 | $325,429 | 6 |
| 2006 | $199,500 | $301,887 | 6 |
| 2007 | $220,000 | $326,029 | 4 |
| 2008 | $251,000 | $348,823 | 2 |
| 2009 | $270,000 | $373,034 | 1 |
| 2010 | $316,000 | $424,578 | 5 |
| 2011 | $375,000 | $478,709 | 3 |
| 2012 | $399,000 | $487,035 | 4 |
| 2013 | $411,500 | $490,694 | 2 |
| 2014 | $371,000 | $437,872 | 2 |
| 2015 | $376,000 | $446,106 | 4 |
| 2016 | $375,000 | $447,286 | 1 |
| 2017 | $350,000 | $415,073 | 5 |
| 2018 | $359,000 | $423,888 | 2 |
| 2019 | $358,000 | $420,322 | 1 |
| 2020 | $338,000 | $397,524 | 1 |
| 2021 | $429,944 | $494,214 | 2 |
| 2022 | $515,000 | $557,786 | 1 |
| 2023 | $518,000 | $535,168 | 1 |
| 2024 | $564,944 | $570,045 | 4 |
| 2025 | $585,000 | $585,000 | 1 |
| Record sale | $588,000 (4-Room, 2024-12) |
|---|---|
| First recorded sale | $80,000 (1990-01) |
| Busiest year | 1999 · 20 sales |
| 10-year change (real) | +31% (+2.7%/yr, 2015→2025) |
| Total transacted | $44.6M across 171 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-02 | 4-Room | 04 TO 06 | 91 | $585,000 |
| 2024-12 | 4-Room | 04 TO 06 | 91 | $562,888 |
| 2024-12 | 4-Room | 04 TO 06 | 91 | $588,000 |
| 2024-09 | 4-Room | 04 TO 06 | 91 | $567,000 |
| 2024-06 | 4-Room | 07 TO 09 | 91 | $527,000 |
| 2023-04 | 4-Room | 04 TO 06 | 91 | $518,000 |
| 2022-07 | 4-Room | 10 TO 12 | 93 | $515,000 |
| 2021-11 | 4-Room | 07 TO 09 | 91 | $449,888 |
| 2021-05 | 4-Room | 07 TO 09 | 91 | $410,000 |
| 2020-08 | 4-Room | 04 TO 06 | 93 | $338,000 |
| 2019-07 | 4-Room | 07 TO 09 | 91 | $358,000 |
| 2018-06 | 4-Room | 04 TO 06 | 91 | $358,000 |
| 2018-05 | 4-Room | 07 TO 09 | 91 | $360,000 |
| 2017-09 | 4-Room | 01 TO 03 | 91 | $340,000 |
| 2017-06 | 4-Room | 01 TO 03 | 91 | $345,000 |
| 2017-06 | 4-Room | 04 TO 06 | 91 | $380,000 |
| 2017-02 | 4-Room | 07 TO 09 | 91 | $350,000 |
| 2017-01 | 4-Room | 04 TO 06 | 91 | $390,000 |
| 2016-06 | 4-Room | 07 TO 09 | 93 | $375,000 |
| 2015-11 | 4-Room | 10 TO 12 | 93 | $385,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 142 | $1,014,000 | $6,825/m² |
| 2. Blk 123 | $980,000 | $6,533/m² |
| 3. Blk 148 | $965,444 | $6,659/m² |
| 4. Blk 125 | $900,000 | $6,081/m² |
| 5. Blk 114 | $737,500 | $6,095/m² |
| 6. Blk 121 | $724,000 | $5,888/m² |
| 7. Blk 117 | $685,000 | $5,763/m² |
| 8. Blk 116 | $634,000 | $5,763/m² |
| 9. Blk 127 | $588,888 | $6,471/m² |
| 10. Blk 103 | $580,000 | $6,374/m² |
| 11. Blk 109 | $576,000 | $6,330/m² |
| 12. Blk 111 | $571,500 | $6,238/m² |
| 13. Blk 110 | $570,000 | $5,877/m² |
| 14. Blk 144 | $566,500 | $6,106/m² |
| 15. Blk 118 | $560,000 | $6,154/m² |
Showing the top 15 of 35 blocks.
The median resale price over the last 24 months is $576,000 (4 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 $508,032–$568,307 (central estimate $538,170). Recent sales — median $562,879 — sit within that range.
The median monthly rent is $2,800/mo over the last 12 months (2 contracts).
The block was completed in 1984 and its 99-year lease runs from 1985.