Trimaran Road - SO31 9BG
Key Postcode Insights
SO31 9BG is a residential postcode situated on Trimaran Road, Warsash, Southampton, SO31 with 20 addresses.
It ranks as the 701st largest and 658th most expensive of the 1,141 postcodes in the SO31 area. The most common property type is a modern house built after 1980.
The postcode contains a total of 20 properties: 20 houses.
- Ave. Sale Price
- £443,372
- 10 Year change
- up 30.4%
- Ave. Rental Price
- £1,889pcm
- 10 Year change
- up 54.1%
- Ave. £ per ft²
- £385/ft²
- Ave. Gross Yield
- 5.1%/year/yr
Key Postcode Insights
SO31 9BG is a residential postcode situated on Trimaran Road, Warsash, Southampton, SO31 with 20 addresses.
It ranks as the 701st largest and 658th most expensive of the 1,141 postcodes in the SO31 area. The most common property type is a modern house built after 1980.
The postcode contains a total of 20 properties: 20 houses.
- Ave. Sale Price
- £443,372
- 10 Year change
- up 30.4%
- Ave. Rental Price
- £1,889pcm
- 10 Year change
- up 54.1%
- Ave. £ per ft²
- £385/ft²
- Ave. Gross Yield
- 5.1%/year/yr
Explore Propertiesin SO31 9BG
- 2 Trimaran Road
4 Bed Modern House
- 4 Trimaran Road
Unknown
- 6 Trimaran Road
3 Bed Modern House
- 8 Trimaran Road
3 Bed Modern House
- 10 Trimaran Road
Unknown
Sales Market Trends
The last sale in SO31 9BG sold for £418,000 on 11th December 2025. Since then prices are up an average of 0.5%.
The current average value in the postcode is £443,372.
The SO31 9BG Sales Market has increased by 30.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1.2% | £443,372 |
| June 2025 | 2.8% | £448,926 |
| June 2024 | -2.7% | £436,690 |
| June 2023 | -2.4% | £449,006 |
| June 2022 | 14.5% | £459,858 |
| June 2021 | 4.3% | £401,572 |
| June 2020 | 5.6% | £384,869 |
| June 2019 | -0.8% | £364,290 |
| June 2018 | 2.6% | £367,070 |
| June 2017 | 5.2% | £357,701 |
| June 2016 | 5.6% | £340,015 |
| June 2015 | 6.6% | £321,875 |
| June 2014 | 11.4% | £301,877 |
| June 2013 | 1.8% | £271,054 |
| June 2012 | -0.1% | £266,201 |
| June 2011 | -0.7% | £266,340 |
| June 2010 | 12% | £268,177 |
| June 2009 | -8.5% | £239,525 |
| June 2008 | -3.9% | £261,774 |
| June 2007 | 0% | £272,531 |
Rental Market Trends
The current average rental value in the postcode is £1,889.
The SO31 9BG Rental Market has increased by 54.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.3% | £1,889pcm |
| June 2025 | 4.2% | £1,829pcm |
| June 2024 | 7.5% | £1,755pcm |
| June 2023 | 7% | £1,632pcm |
| June 2022 | 9.5% | £1,526pcm |
| June 2021 | 6.5% | £1,393pcm |
| June 2020 | 3% | £1,309pcm |
| June 2019 | 0.7% | £1,271pcm |
| June 2018 | 0.7% | £1,262pcm |
| June 2017 | 2.2% | £1,253pcm |
| June 2016 | 3.6% | £1,226pcm |
| June 2015 | 4.2% | £1,183pcm |
| June 2014 | 4.2% | £1,136pcm |
| June 2013 | 1.1% | £1,090pcm |
| June 2012 | 2% | £1,078pcm |
| June 2011 | 3.3% | £1,057pcm |
| June 2010 | 8% | £1,023pcm |
| June 2009 | -4.3% | £947pcm |
| June 2008 | 2.6% | £989pcm |
| June 2007 | 0% | £964pcm |
Sales History
The last sale was on 11th December 2025 for £418,000 and since then the market in the area has increased by 0.5%. The postcode has had a total of 41 sales since 1995.
SO31 9BG has seen 2 sales in the last three years and 1 sale in the last twelve months.
- Sold Dec 2025£418,000 | 3 Bed House12, Trimaran Road, Southampton, SO31 9BG12, Trimaran Road, Southampton, SO31 9BG
- Sold Mar 2025£385,000 | 3 Bed House8, Trimaran Road, Southampton, SO31 9BG8, Trimaran Road, Southampton, SO31 9BG
- Sold Sep 2021£440,000 | 3 Bed House6, Trimaran Road, Southampton, SO31 9BG6, Trimaran Road, Southampton, SO31 9BG
- Sold Aug 2021£307,400 | 3 Bed House16, Trimaran Road, Southampton, SO31 9BG16, Trimaran Road, Southampton, SO31 9BG
- Sold Dec 2020£520,000 | 4 Bed House2, Trimaran Road, Southampton, SO31 9BG2, Trimaran Road, Southampton, SO31 9BG
Nearby Postcodes
SO31 9BG is the 701st largest and the 658th most expensive postcode out of the 1,141 postcodes in the SO31 area.
- SO31 9JL, Dibles Road, Warsash, Southampton, SO31SO31 9JL26 Addresses|79 m away
- SO31 9BJ, Clipper Close, Warsash, Southampton, SO31SO31 9BJ9 Addresses|83 m away
- SO31 9BE, Trimaran Road, Warsash, Southampton, SO31SO31 9BE21 Addresses|84 m away
- SO31 9BY, Clipper Close, Warsash, Southampton, SO31SO31 9BY4 Addresses|89 m away
- SO31 9BD, Enterprise Close, Warsash, Southampton, SO31SO31 9BD27 Addresses|101 m away
Property Types
- 11 modern houses built after 1980
- 1 mid-century house built between 1936 and 1979
- 1 house of an unknown age
- 7 other addresses of unknown type
- modern house (11)
- mid-century house (1)
- house (1)
- Unknown (7)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 12 properties.
- The most common rating is D.
- A (0)
- E (2)
- B (1)
- F (0)
- C (2)
- G (0)
- D (7)
- No EPC (8)
Top 3 Most Expensive Sales
- Sold May 2026£585,000 | 4 Bed House29, Trimaran Road, Southampton, SO31 9BE29, Trimaran Road, Southampton, SO31 9BE
- Sold May 2025£550,000 | 4 Bed House62, Trimaran Road, Southampton, SO31 9BH62, Trimaran Road, Southampton, SO31 9BH
- Sold Dec 2020£520,000 | 4 Bed House2, Trimaran Road, Southampton, SO31 9BG2, Trimaran Road, Southampton, SO31 9BG
Schools Nearby
- Hook-With-Warsash Church of England Academy500 m away
- Locks Heath Junior School1.1 km away
- Locks Heath Infant & Nursery School1.1 km away
- Brookfield Community School1.5 km away
- The Hamble School3.5 km away
- The Henry Cort Community College5.0 km away
More reading links
Public Transport Nearby
The closest station to SO31 9BG is Swanwick station, which is 3.0 kilometres away.
- Swanwick|3.0 km away
- Hamble|3.5 km away
- Bursledon|3.7 km away
- Netley|4.4 km away
