Blk 109 Serangoon North Avenue 1 — HDB resale prices
HDB resale prices, Serangoon · 4-Room · built 1984
median resale price, last 24 months
6 sales in that window · as of Sep 2026
How it compares
Blk 109 Serangoon North Avenue 1 is an HDB block in Serangoon (completed in 1984, 13 storeys, 168 units). As of Sep 2026, its median resale price over the last 24 months is $582,500, about 13% below the Serangoon median, from 6 sales. 174 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 4-room ×168
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $3,500/mo (2 rental contracts, last 12 months).
Estimated gross rental yield: ~7.2% (Serangoon average: ~6.3%) — 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.
What the price model says
For a typical 4-room flat here, our price model estimates $542,368–$606,352 (central estimate $574,360). Recent sales — median $570,000 — sit within that range. The model explains 94% of resale prices with a typical error of ±6%. Indicative only — not an official valuation.
Median resale price by year
| 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 |
| 2026 | $580,000 | $580,000 | 3 |
Records
| Record sale | $588,000 (4-Room, 2026-07) |
|---|---|
| First recorded sale | $80,000 (1990-01) |
| Busiest year | 1999 · 20 sales |
| 10-year change (real) | +30% (+2.6%/yr, 2016→2026) |
| Total transacted | $46.4M across 174 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-08 | 4-Room | 07–09 | 91 m² | $580,000 |
| 2026-08 | 4-Room | 07–09 | 91 m² | $570,000 |
| 2026-07 | 4-Room | 10–12 | 91 m² | $588,000 |
| 2025-02 | 4-Room | 04–06 | 91 m² | $585,000 |
| 2024-12 | 4-Room | 04–06 | 91 m² | $588,000 |
| 2024-12 | 4-Room | 04–06 | 91 m² | $562,888 |
| 2024-09 | 4-Room | 04–06 | 91 m² | $567,000 |
| 2024-06 | 4-Room | 07–09 | 91 m² | $527,000 |
| 2023-04 | 4-Room | 04–06 | 91 m² | $518,000 |
| 2022-07 | 4-Room | 10–12 | 93 m² | $515,000 |
| 2021-11 | 4-Room | 07–09 | 91 m² | $449,888 |
| 2021-05 | 4-Room | 07–09 | 91 m² | $410,000 |
| 2020-08 | 4-Room | 04–06 | 93 m² | $338,000 |
| 2019-07 | 4-Room | 07–09 | 91 m² | $358,000 |
| 2018-06 | 4-Room | 04–06 | 91 m² | $358,000 |
| 2018-05 | 4-Room | 07–09 | 91 m² | $360,000 |
| 2017-09 | 4-Room | 01–03 | 91 m² | $340,000 |
| 2017-06 | 4-Room | 04–06 | 91 m² | $380,000 |
| 2017-06 | 4-Room | 01–03 | 91 m² | $345,000 |
| 2017-02 | 4-Room | 07–09 | 91 m² | $350,000 |
Serangoon North Avenue 1 blocks ranked by price
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Quick answers
How much does a flat at Blk 109 Serangoon North Avenue 1 cost?
The median resale price over the last 24 months is $582,500 (6 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 109 Serangoon North Avenue 1 fairly priced?
For a typical 4-room flat here, our price model estimates $542,368–$606,352 (central estimate $574,360). Recent sales — median $570,000 — sit within that range.
What is the rent at Blk 109 Serangoon North Avenue 1?
The median monthly rent is $3,500/mo over the last 12 months (2 contracts).
How old is Blk 109 Serangoon North Avenue 1?
The block was completed in 1984 and its 99-year lease runs from 1985.