Blk 401 Serangoon Avenue 1 — HDB resale prices
HDB resale prices, Serangoon · 4-Room · built 1988
median resale price, last 24 months
7 sales in that window · as of Sep 2026
How it compares
Blk 401 Serangoon Avenue 1 is an HDB block in Serangoon (completed in 1988, 13 storeys, 120 units). As of Sep 2026, its median resale price over the last 24 months is $838,888, about 25% above the Serangoon median, from 7 sales. 112 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 4-room ×96 · 5-room ×24
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $3,825/mo (6 rental contracts, last 12 months).
Estimated gross rental yield: ~5.5% (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 25% of Serangoon blocks with recent sales.
What the price model says
For a typical 4-room flat here, our price model estimates $723,541–$808,898 (central estimate $766,220). Recent sales — median $792,944 — 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 |
|---|---|---|---|
| 1994 | $208,000 | $349,140 | 3 |
| 1995 | $268,000 | $442,224 | 3 |
| 1996 | $340,000 | $553,393 | 5 |
| 1997 | $358,000 | $571,137 | 4 |
| 1998 | $310,000 | $495,909 | 5 |
| 1999 | $299,000 | $478,198 | 12 |
| 2000 | $315,000 | $497,082 | 5 |
| 2001 | $287,000 | $448,354 | 4 |
| 2002 | $270,000 | $423,455 | 7 |
| 2003 | $275,000 | $429,202 | 4 |
| 2004 | $270,000 | $414,468 | 3 |
| 2005 | $261,500 | $399,530 | 6 |
| 2006 | $266,000 | $402,516 | 4 |
| 2007 | $340,000 | $503,863 | 1 |
| 2008 | $421,000 | $585,078 | 2 |
| 2009 | $430,000 | $594,092 | 1 |
| 2010 | $470,000 | $631,492 | 4 |
| 2011 | $600,000 | $765,935 | 1 |
| 2012 | $616,888 | $752,998 | 3 |
| 2015 | $568,000 | $673,905 | 3 |
| 2016 | $572,000 | $682,261 | 3 |
| 2017 | $637,500 | $756,025 | 4 |
| 2018 | $550,000 | $649,410 | 3 |
| 2019 | $612,000 | $718,538 | 5 |
| 2020 | $598,000 | $703,313 | 3 |
| 2021 | $580,000 | $666,702 | 3 |
| 2022 | $670,000 | $725,664 | 1 |
| 2023 | $714,000 | $737,665 | 2 |
| 2024 | $862,000 | $869,784 | 1 |
| 2025 | $795,888 | $795,888 | 3 |
| 2026 | $845,694 | $845,694 | 4 |
Records
| Record sale | $932,000 (4-Room, 2026-10) |
|---|---|
| First recorded sale | $220,000 (1994-02) |
| Busiest year | 1999 · 12 sales |
| 10-year change (real) | +24% (+2.2%/yr, 2016→2026) |
| Total transacted | $48.8M across 112 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-10 | 4-Room | 13–15 | 113 m² | $932,000 |
| 2026-07 | 4-Room | 01–03 | 105 m² | $790,000 |
| 2026-05 | 4-Room | 01–03 | 105 m² | $838,888 |
| 2026-03 | 4-Room | 04–06 | 105 m² | $852,500 |
| 2025-09 | 4-Room | 04–06 | 103 m² | $790,000 |
| 2025-07 | 4-Room | 10–12 | 109 m² | $855,000 |
| 2025-02 | 4-Room | 01–03 | 105 m² | $795,888 |
| 2024-01 | 5-Room | 04–06 | 121 m² | $862,000 |
| 2023-12 | 4-Room | 10–12 | 93 m² | $678,000 |
| 2023-11 | 4-Room | 01–03 | 109 m² | $750,000 |
| 2022-05 | 4-Room | 07–09 | 109 m² | $670,000 |
| 2021-06 | 4-Room | 04–06 | 93 m² | $560,000 |
| 2021-05 | 4-Room | 07–09 | 109 m² | $632,000 |
| 2021-01 | 4-Room | 04–06 | 105 m² | $580,000 |
| 2020-10 | 4-Room | 04–06 | 105 m² | $598,000 |
| 2020-06 | 4-Room | 04–06 | 93 m² | $515,000 |
| 2020-01 | 4-Room | 07–09 | 105 m² | $630,000 |
| 2019-04 | 4-Room | 04–06 | 103 m² | $612,000 |
| 2019-04 | 4-Room | 07–09 | 103 m² | $560,000 |
| 2019-03 | 5-Room | 10–12 | 121 m² | $755,000 |
Serangoon Avenue 1 blocks ranked by price
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Quick answers
How much does a flat at Blk 401 Serangoon Avenue 1 cost?
The median resale price over the last 24 months is $838,888 (7 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 401 Serangoon Avenue 1 fairly priced?
For a typical 4-room flat here, our price model estimates $723,541–$808,898 (central estimate $766,220). Recent sales — median $792,944 — sit within that range.
What is the rent at Blk 401 Serangoon Avenue 1?
The median monthly rent is $3,825/mo over the last 12 months (6 contracts).
How old is Blk 401 Serangoon Avenue 1?
The block was completed in 1988 and its 99-year lease runs from 1989.