Our Data Sources
40, Welbeck Avenue, Southampton has a single entry in the Land Registry from September 2025 and a single entry in the EPC database dated April 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 40, Welbeck Avenue, Southampton would be worth £409,196, with a potential rental value of £1,762 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £362,430, with a rental value of £1,561 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
40, Welbeck Avenue, Southampton occupies a 332 m2 plot as recorded by HM Land Registry.
All 12 other houses in this postcode have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
40, Welbeck Avenue, Southampton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Apr 2025.
The property is connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
40, Welbeck Avenue, Southampton last changed hands on 8th September 2025, selling for £410,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has dropped by 22.1% since September 2025.
- Sold Sep 2025£410,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 126 sales of comparable properties within 510 metres of 40, Welbeck Avenue, Southampton across the last 2 years.
Most recently, 17, Blenheim Gardens, Southampton, SO17 3RN, a freehold house, sold at £415,000 on the 27th September 2024.
Read more about house prices in SO17.
- Sold Sep 2024£415,000 | 4 Bed House17, Blenheim Gardens, Southampton, SO17 3RN17, Blenheim Gardens, Southampton, SO17 3RN
- Sold Jun 2023£385,000 | 3 Bed House4, Merton Road, Southampton, SO17 3RD4, Merton Road, Southampton, SO17 3RD
- Sold Jun 2018£370,000 | 3 Bed House29, Blenheim Gardens, Southampton, SO17 3RN29, Blenheim Gardens, Southampton, SO17 3RN
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 40, Welbeck Avenue, Southampton as the 72nd largest and the 68th most expensive of the 160 addresses on Welbeck Avenue, Southampton, SO17.
Against the SO17 postcode district average, it is £116k more expensive than the typical property.
More reading links
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
- St Denys|1.1 km away
- Swaythling|1.6 km away
- Bitterne|1.8 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












