Welbeck Avenue - SO17 1SU
Key Postcode Insights
SO17 1SU is a residential postcode situated on Welbeck Avenue, Southampton, SO17 with 12 addresses.
It ranks as the 175th largest and 380th most expensive of the 425 postcodes in the SO17 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 12 properties: 12 houses.
- Ave. Sale Price
- £508,805
- 10 Year change
- up 19.4%
- Ave. Rental Price
- £2,147pcm
- 10 Year change
- up 53.6%
- Ave. £ per ft²
- £333/ft²
- Ave. Gross Yield
- 5.1%/year/yr
Key Postcode Insights
SO17 1SU is a residential postcode situated on Welbeck Avenue, Southampton, SO17 with 12 addresses.
It ranks as the 175th largest and 380th most expensive of the 425 postcodes in the SO17 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 12 properties: 12 houses.
- Ave. Sale Price
- £508,805
- 10 Year change
- up 19.4%
- Ave. Rental Price
- £2,147pcm
- 10 Year change
- up 53.6%
- Ave. £ per ft²
- £333/ft²
- Ave. Gross Yield
- 5.1%/year/yr
Explore Propertiesin SO17 1SU
- 16 Welbeck Avenue
4 Bed Period House
- 18 Welbeck Avenue
5 Bed Period House
- 20 Welbeck Avenue
5 Bed Period House
- 22 Welbeck Avenue
4 Bed Mid-century House
- 24 Welbeck Avenue
Unknown
Sales Market Trends
The last sale in SO17 1SU sold for £410,000 on 8th September 2025. Since then prices are down an average of 1.4%.
The current average value in the postcode is £508,805.
The SO17 1SU Sales Market has increased by 19.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -4.4% | £508,805 |
| June 2025 | 2% | £532,358 |
| June 2024 | 1.2% | £521,861 |
| June 2023 | 0.3% | £515,530 |
| June 2022 | 9.3% | £514,008 |
| June 2021 | 4.9% | £470,381 |
| June 2020 | 0.1% | £448,612 |
| June 2019 | 0.7% | £448,061 |
| June 2018 | -0.4% | £444,753 |
| June 2017 | 4.8% | £446,687 |
| June 2016 | 7.1% | £426,079 |
| June 2015 | 3.1% | £397,810 |
| June 2014 | 6.6% | £385,891 |
| June 2013 | -2.7% | £361,866 |
| June 2012 | 2.4% | £371,905 |
| June 2011 | 0.7% | £363,289 |
| June 2010 | 9.1% | £360,806 |
| June 2009 | -7.2% | £330,641 |
| June 2008 | -3.8% | £356,163 |
| June 2007 | 0% | £370,163 |
Rental Market Trends
The current average rental value in the postcode is £2,147.
The SO17 1SU Rental Market has increased by 53.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.9% | £2,147pcm |
| June 2025 | 4.6% | £2,087pcm |
| June 2024 | 6.2% | £1,996pcm |
| June 2023 | 9.1% | £1,879pcm |
| June 2022 | 8.1% | £1,723pcm |
| June 2021 | 8.5% | £1,594pcm |
| June 2020 | 2.5% | £1,468pcm |
| June 2019 | 1.1% | £1,432pcm |
| June 2018 | 0.5% | £1,417pcm |
| June 2017 | 0.8% | £1,410pcm |
| June 2016 | 3.6% | £1,398pcm |
| June 2015 | 4.8% | £1,349pcm |
| June 2014 | 2% | £1,288pcm |
| June 2013 | 1.1% | £1,262pcm |
| June 2012 | 2% | £1,249pcm |
| June 2011 | 3.7% | £1,224pcm |
| June 2010 | 10.2% | £1,180pcm |
| June 2009 | -3.1% | £1,071pcm |
| June 2008 | 0.7% | £1,105pcm |
| June 2007 | 0% | £1,097pcm |
Sales History
The last sale was on 8th September 2025 for £410,000 and since then the market in the area has decreased by 1.4%. The postcode has had a total of 11 sales since 1995.
SO17 1SU has seen 1 sale in the last three years and 1 sale in the last twelve months.
- Sold Sep 2025£410,000 | 3 Bed House40, Welbeck Avenue, Southampton, SO17 1SU40, Welbeck Avenue, Southampton, SO17 1SU
- Sold Jun 2021£310,000 | 4 Bed House22, Welbeck Avenue, Southampton, SO17 1SU22, Welbeck Avenue, Southampton, SO17 1SU
- Sold Jul 2018£395,000 | 4 Bed House16, Welbeck Avenue, Southampton, SO17 1SU16, Welbeck Avenue, Southampton, SO17 1SU
- Sold Jun 2017£320,000 | 4 Bed House16, Welbeck Avenue, Southampton, SO17 1SU16, Welbeck Avenue, Southampton, SO17 1SU
- Sold Dec 2014£530,000 | 5 Bed House20, Welbeck Avenue, Southampton, SO17 1SU20, Welbeck Avenue, Southampton, SO17 1SU
Nearby Postcodes
SO17 1SU is the 175th largest and the 380th most expensive postcode out of the 425 postcodes in the SO17 area.
- SO17 1UB, Welbeck Avenue, Southampton, SO17SO17 1UB5 Addresses|64 m away
- SO17 1UU, Welbeck Avenue, Southampton, SO17SO17 1UU6 Addresses|83 m away
- SO17 1ST, Welbeck Avenue, Southampton, SO17SO17 1ST42 Addresses|94 m away
- SO17 1UT, Welbeck Avenue, Southampton, SO17SO17 1UT24 Addresses|108 m away
- SO17 1SG, Highfield Crescent, Southampton, SO17SO17 1SG29 Addresses|112 m away
Property Types
- 6 period houses built between 1800 and 1911
- 1 mid-century house built between 1936 and 1979
- 5 other addresses of unknown type
- period house (6)
- mid-century house (1)
- Unknown (5)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 7 properties.
- The most common rating is D.
- A (0)
- E (2)
- B (0)
- F (0)
- C (1)
- G (0)
- D (4)
- No EPC (5)
Top 3 Most Expensive Sales
- Sold Nov 2022£935,000 | 5 Bed House1, The Finches 32, Welbeck Avenue, Southampton, SO17 1UB1, The Finches 32, Welbeck Avenue, Southampton, SO17 1UB
- Sold Aug 2025£800,000 | 5 Bed House90, Welbeck Avenue, Southampton, SO17 1SR90, Welbeck Avenue, Southampton, SO17 1SR
- Sold Mar 2025£722,500 | 5 Bed House5, Welbeck Avenue, Southampton, SO17 1SW5, Welbeck Avenue, Southampton, SO17 1SW
Schools Nearby
- Portswood Primary School400 m away
- Highfield Church of England Primary School500 m away
- Swaythling Primary School600 m away
- Cantell School1.2 km away
- Bitterne Park School1.7 km away
- Saint George Catholic Voluntary Aided College Southampton1.8 km away
More reading links
Public Transport Nearby
The closest station to SO17 1SU is St Denys station, which is 1.1 kilometres away.
- St Denys|1.1 km away
- Swaythling|1.6 km away
- Bitterne|1.8 km away
- Southampton Central|3.0 km away
