Blk 405 Serangoon Avenue 1 — HDB resale prices
HDB resale prices, Serangoon · 5-Room · built 1988
median resale price, last 24 months
1 sale in that window · as of Sep 2026
How it compares
Blk 405 Serangoon Avenue 1 is an HDB block in Serangoon (completed in 1988, 11 storeys, 60 units). As of Sep 2026, its median resale price over the last 24 months is $990,000, about 48% above the Serangoon median, from 1 sales. 74 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 4-room ×40 · 5-room ×20
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $3,800/mo (2 rental contracts, last 12 months).
Estimated gross rental yield: ~4.6% (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 18% of Serangoon blocks with recent sales.
What the price model says
For a typical 4-room flat here, our price model estimates $702,817–$785,729 (central estimate $744,273). Recent sales — median $762,921 — 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 | $273,000 | $458,246 | 7 |
| 1995 | $272,500 | $449,650 | 2 |
| 1996 | $420,000 | $683,603 | 3 |
| 1998 | $291,500 | $466,314 | 8 |
| 1999 | $358,500 | $573,358 | 8 |
| 2000 | $385,000 | $607,545 | 4 |
| 2001 | $256,500 | $400,706 | 2 |
| 2002 | $350,000 | $548,923 | 1 |
| 2003 | $288,000 | $449,491 | 3 |
| 2004 | $284,400 | $436,573 | 4 |
| 2005 | $262,500 | $401,057 | 2 |
| 2006 | $303,500 | $459,262 | 2 |
| 2008 | $374,000 | $519,760 | 3 |
| 2009 | $389,000 | $537,446 | 2 |
| 2010 | $523,500 | $703,374 | 2 |
| 2011 | $586,500 | $748,701 | 2 |
| 2012 | $564,000 | $688,441 | 2 |
| 2016 | $540,000 | $644,092 | 1 |
| 2018 | $632,000 | $746,231 | 1 |
| 2019 | $540,000 | $634,005 | 3 |
| 2020 | $715,000 | $840,917 | 1 |
| 2021 | $623,888 | $717,150 | 1 |
| 2022 | $739,888 | $801,358 | 1 |
| 2023 | $717,500 | $741,281 | 2 |
| 2024 | $806,444 | $813,726 | 6 |
| 2025 | $990,000 | $990,000 | 1 |
Records
| Record sale | $990,000 (5-Room, 2025-05) |
|---|---|
| First recorded sale | $155,000 (1994-01) |
| Busiest year | 1998 · 8 sales |
| Total transacted | $31.7M across 74 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2025-05 | 5-Room | 04–06 | 123 m² | $990,000 |
| 2024-10 | 4-Room | 04–06 | 94 m² | $708,000 |
| 2024-09 | 5-Room | 07–09 | 121 m² | $975,000 |
| 2024-07 | 4-Room | 04–06 | 103 m² | $822,888 |
| 2024-06 | 5-Room | 01–03 | 121 m² | $790,000 |
| 2024-05 | 4-Room | 04–06 | 94 m² | $718,000 |
| 2024-02 | 4-Room | 10–12 | 111 m² | $848,666 |
| 2023-03 | 4-Room | 01–03 | 111 m² | $670,000 |
| 2023-01 | 5-Room | 01–03 | 123 m² | $765,000 |
| 2022-06 | 4-Room | 10–12 | 113 m² | $739,888 |
| 2021-05 | 4-Room | 04–06 | 111 m² | $623,888 |
| 2020-10 | 5-Room | 10–12 | 123 m² | $715,000 |
| 2019-08 | 4-Room | 07–09 | 113 m² | $560,000 |
| 2019-08 | 4-Room | 10–12 | 103 m² | $540,000 |
| 2019-03 | 4-Room | 04–06 | 103 m² | $470,000 |
| 2018-02 | 4-Room | 04–06 | 111 m² | $632,000 |
| 2016-03 | 4-Room | 10–12 | 94 m² | $540,000 |
| 2012-11 | 4-Room | 10–12 | 113 m² | $640,000 |
| 2012-05 | 4-Room | 06–10 | 94 m² | $488,000 |
| 2011-08 | 5-Room | 04–06 | 121 m² | $643,000 |
Serangoon Avenue 1 blocks ranked by price
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Quick answers
How much does a flat at Blk 405 Serangoon Avenue 1 cost?
The median resale price over the last 24 months is $990,000 (1 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 405 Serangoon Avenue 1 fairly priced?
For a typical 4-room flat here, our price model estimates $702,817–$785,729 (central estimate $744,273). Recent sales — median $762,921 — sit within that range.
What is the rent at Blk 405 Serangoon Avenue 1?
The median monthly rent is $3,800/mo over the last 12 months (2 contracts).
How old is Blk 405 Serangoon Avenue 1?
The block was completed in 1988 and its 99-year lease runs from 1989.