Blk 227 Serangoon Avenue 4 — HDB resale prices
HDB resale prices, Serangoon · 3-Room, 4-Room · built 1984
median resale price, last 24 months
4 sales in that window · as of Sep 2026
How it compares
Blk 227 Serangoon Avenue 4 is an HDB block in Serangoon (completed in 1984, 12 storeys, 134 units). As of Sep 2026, its median resale price over the last 24 months is $571,000, about 15% below the Serangoon median, from 4 sales. 167 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 3-room ×77 · 4-room ×57
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $3,150/mo (6 rental contracts, last 12 months).
Estimated gross rental yield: ~6.6% (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 37% of Serangoon blocks with recent sales.
What the price model says
For a typical 3-room flat here, our price model estimates $409,433–$457,735 (central estimate $433,584). Recent sales — median $422,401 — 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 | $87,000 | $162,874 | 4 |
| 1991 | $68,000 | $123,070 | 6 |
| 1992 | $82,000 | $145,151 | 5 |
| 1993 | $77,500 | $134,113 | 2 |
| 1994 | $110,000 | $184,641 | 4 |
| 1995 | $220,000 | $363,020 | 10 |
| 1996 | $202,500 | $329,594 | 8 |
| 1997 | $190,000 | $303,117 | 5 |
| 1998 | $238,140 | $380,954 | 14 |
| 1999 | $166,000 | $265,488 | 14 |
| 2000 | $207,500 | $327,443 | 8 |
| 2001 | $150,000 | $234,331 | 7 |
| 2002 | $158,000 | $247,799 | 3 |
| 2003 | $160,000 | $249,717 | 5 |
| 2004 | $190,000 | $291,663 | 5 |
| 2005 | $175,000 | $267,372 | 7 |
| 2006 | $167,000 | $252,708 | 7 |
| 2007 | $171,000 | $253,413 | 6 |
| 2008 | $283,000 | $393,295 | 2 |
| 2009 | $246,000 | $339,876 | 6 |
| 2010 | $306,000 | $411,142 | 3 |
| 2011 | $331,000 | $422,541 | 4 |
| 2012 | $354,000 | $432,107 | 4 |
| 2014 | $455,000 | $537,013 | 3 |
| 2015 | $335,444 | $397,988 | 2 |
| 2016 | $390,000 | $465,178 | 3 |
| 2017 | $355,000 | $421,002 | 5 |
| 2018 | $407,000 | $480,564 | 3 |
| 2019 | $250,000 | $293,521 | 1 |
| 2020 | $419,000 | $492,789 | 2 |
| 2021 | $365,000 | $419,562 | 1 |
| 2022 | $390,000 | $422,401 | 3 |
| 2023 | $390,000 | $402,926 | 1 |
| 2025 | $646,000 | $646,000 | 2 |
| 2026 | $527,500 | $527,500 | 2 |
Records
| Record sale | $680,000 (4-Room, 2025-08) |
|---|---|
| First recorded sale | $57,000 (1990-01) |
| Busiest year | 1998 · 14 sales |
| 10-year change (real) | +13% (+1.3%/yr, 2016→2026) |
| Total transacted | $38.6M across 167 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-05 | 3-Room | 10–12 | 67 m² | $530,000 |
| 2026-01 | 3-Room | 04–06 | 67 m² | $525,000 |
| 2025-12 | 4-Room | 01–03 | 96 m² | $612,000 |
| 2025-08 | 4-Room | 07–09 | 96 m² | $680,000 |
| 2023-09 | 3-Room | 01–03 | 71 m² | $390,000 |
| 2022-09 | 3-Room | 07–09 | 67 m² | $395,000 |
| 2022-08 | 3-Room | 04–06 | 67 m² | $390,000 |
| 2022-07 | 3-Room | 01–03 | 67 m² | $388,000 |
| 2021-11 | 3-Room | 07–09 | 67 m² | $365,000 |
| 2020-08 | 4-Room | 07–09 | 92 m² | $428,000 |
| 2020-04 | 4-Room | 04–06 | 96 m² | $410,000 |
| 2019-10 | 3-Room | 07–09 | 67 m² | $250,000 |
| 2018-10 | 4-Room | 07–09 | 96 m² | $407,000 |
| 2018-08 | 3-Room | 04–06 | 71 m² | $305,000 |
| 2018-01 | 4-Room | 10–12 | 92 m² | $450,000 |
| 2017-11 | 3-Room | 04–06 | 67 m² | $315,000 |
| 2017-05 | 3-Room | 04–06 | 67 m² | $355,000 |
| 2017-05 | 3-Room | 04–06 | 67 m² | $290,000 |
| 2017-04 | 4-Room | 10–12 | 96 m² | $450,000 |
| 2017-03 | 4-Room | 01–03 | 92 m² | $395,000 |
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Quick answers
How much does a flat at Blk 227 Serangoon Avenue 4 cost?
The median resale price over the last 24 months is $571,000 (4 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 227 Serangoon Avenue 4 fairly priced?
For a typical 3-room flat here, our price model estimates $409,433–$457,735 (central estimate $433,584). Recent sales — median $422,401 — sit within that range.
What is the rent at Blk 227 Serangoon Avenue 4?
The median monthly rent is $3,150/mo over the last 12 months (6 contracts).
How old is Blk 227 Serangoon Avenue 4?
The block was completed in 1984 and its 99-year lease runs from 1984.