Blk 228 Serangoon Avenue 4 — HDB resale prices
HDB resale prices, Serangoon · 4-Room · built 1983
median resale price, last 24 months
5 sales in that window · as of Sep 2026
How it compares
Blk 228 Serangoon Avenue 4 is an HDB block in Serangoon (completed in 1983, 13 storeys, 120 units). As of Sep 2026, its median resale price over the last 24 months is $650,000, about 3% below the Serangoon median, from 5 sales. 145 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 4-room ×120
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $3,400/mo (1 rental contracts, last 12 months).
Estimated gross rental yield: ~6.3% (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 45% of Serangoon blocks with recent sales.
What the price model says
For a typical 4-room flat here, our price model estimates $587,897–$657,252 (central estimate $622,575). Recent sales — median $627,500 — 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 | $102,000 | $190,955 | 2 |
| 1991 | $96,000 | $173,746 | 6 |
| 1992 | $100,000 | $177,013 | 3 |
| 1993 | $165,000 | $285,530 | 3 |
| 1994 | $177,500 | $297,944 | 4 |
| 1995 | $231,000 | $381,171 | 10 |
| 1996 | $290,000 | $472,011 | 7 |
| 1997 | $302,000 | $481,797 | 5 |
| 1998 | $254,500 | $407,125 | 15 |
| 1999 | $240,000 | $383,838 | 11 |
| 2000 | $260,000 | $410,290 | 3 |
| 2001 | $231,500 | $361,651 | 4 |
| 2002 | $228,000 | $357,584 | 1 |
| 2003 | $221,000 | $344,922 | 5 |
| 2004 | $220,000 | $337,715 | 6 |
| 2005 | $212,500 | $324,666 | 4 |
| 2006 | $224,750 | $340,096 | 2 |
| 2007 | $226,000 | $334,921 | 3 |
| 2008 | $298,000 | $414,141 | 7 |
| 2009 | $326,500 | $451,095 | 4 |
| 2010 | $390,000 | $524,004 | 4 |
| 2011 | $428,000 | $546,367 | 1 |
| 2012 | $480,000 | $585,907 | 3 |
| 2013 | $490,000 | $584,302 | 3 |
| 2014 | $446,000 | $526,391 | 2 |
| 2015 | $400,000 | $474,581 | 3 |
| 2016 | $449,000 | $535,551 | 2 |
| 2017 | $460,000 | $545,524 | 1 |
| 2018 | $465,000 | $549,047 | 3 |
| 2019 | $452,000 | $530,685 | 3 |
| 2020 | $453,500 | $533,365 | 2 |
| 2021 | $490,000 | $563,248 | 3 |
| 2022 | $540,000 | $584,863 | 2 |
| 2024 | $610,000 | $615,508 | 3 |
| 2025 | $670,500 | $670,500 | 2 |
| 2026 | $635,000 | $635,000 | 3 |
Records
| Record sale | $676,000 (4-Room, 2025-05) |
|---|---|
| First recorded sale | $91,000 (1990-11) |
| Busiest year | 1998 · 15 sales |
| 10-year change (real) | +19% (+1.7%/yr, 2016→2026) |
| Total transacted | $44.1M across 145 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-09 | 4-Room | 13–15 | 91 m² | $635,000 |
| 2026-08 | 4-Room | 07–09 | 91 m² | $620,000 |
| 2026-03 | 4-Room | 13–15 | 91 m² | $650,000 |
| 2025-05 | 4-Room | 10–12 | 93 m² | $676,000 |
| 2025-05 | 4-Room | 04–06 | 91 m² | $665,000 |
| 2024-05 | 4-Room | 10–12 | 91 m² | $570,000 |
| 2024-02 | 4-Room | 10–12 | 93 m² | $655,000 |
| 2024-02 | 4-Room | 10–12 | 91 m² | $610,000 |
| 2022-11 | 4-Room | 07–09 | 91 m² | $570,000 |
| 2022-08 | 4-Room | 04–06 | 91 m² | $510,000 |
| 2021-10 | 4-Room | 10–12 | 91 m² | $558,000 |
| 2021-07 | 4-Room | 10–12 | 93 m² | $490,000 |
| 2021-01 | 4-Room | 01–03 | 91 m² | $415,000 |
| 2020-11 | 4-Room | 04–06 | 93 m² | $442,000 |
| 2020-09 | 4-Room | 04–06 | 91 m² | $465,000 |
| 2019-05 | 4-Room | 10–12 | 91 m² | $452,000 |
| 2019-05 | 4-Room | 04–06 | 91 m² | $450,000 |
| 2019-02 | 4-Room | 10–12 | 91 m² | $475,000 |
| 2018-11 | 4-Room | 07–09 | 91 m² | $465,000 |
| 2018-07 | 4-Room | 10–12 | 91 m² | $470,000 |
Serangoon Avenue 4 blocks ranked by price
Showing the top 15 of 20 priced blocks.
More blocks on Serangoon Avenue 4
Quick answers
How much does a flat at Blk 228 Serangoon Avenue 4 cost?
The median resale price over the last 24 months is $650,000 (5 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 228 Serangoon Avenue 4 fairly priced?
For a typical 4-room flat here, our price model estimates $587,897–$657,252 (central estimate $622,575). Recent sales — median $627,500 — sit within that range.
What is the rent at Blk 228 Serangoon Avenue 4?
The median monthly rent is $3,400/mo over the last 12 months (1 contracts).
How old is Blk 228 Serangoon Avenue 4?
The block was completed in 1983 and its 99-year lease runs from 1984.