Our Data Sources
20, Thornton Avenue, Southampton has 3 entries in the Land Registry , most recently in April 2021 and a single entry in the EPC database dated July 2015.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 20, Thornton Avenue, Southampton, we estimate a market value of £1,323,049 and a rental value of £4,366 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £1,171,843 and £3,867 per month respectively.
Plot Size
HM Land Registry records the plot of land for 20, Thornton Avenue, Southampton as measuring 1,106 m2.
That makes it the 9th largest plot in the postcode, where all 20 other houses have recorded plot data.
Energy Efficiency
20, Thornton Avenue, Southampton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Jul 2015.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 20, Thornton Avenue, Southampton completed on 15th April 2021 at £1,300,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 3.0% over the period since April 2021.
- Sold Apr 2021£1,300,000
- Sold Jun 2016£820,000
- Sold Mar 2014£710,000
Similar Properties Sold Nearby
Over the past 2 years 9 properties similar to 20, Thornton Avenue, Southampton have sold within a radius of 1.0 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 22nd July 2025, was 14, Crofton Way, Southampton, SO31 9FP, a freehold house which sold for £1,170,000.
Read more about house prices in SO31.
- Sold Jul 2025£1,170,000 | 5 Bed House14, Crofton Way, Southampton, SO31 9FP14, Crofton Way, Southampton, SO31 9FP
- Sold Aug 2022£770,000 | 5 Bed House16, Havelock Road, Southampton, SO31 9FX16, Havelock Road, Southampton, SO31 9FX
- Sold Sep 2014£1,050,000 | 4 Bed House42, Thornton Avenue, Southampton, SO31 9FJ42, Thornton Avenue, Southampton, SO31 9FJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 35 addresses on Thornton Avenue, Warsash, Southampton, SO31, 20, Thornton Avenue, Southampton comes out as the 27th largest and the 12th most expensive in our analysis of the public data.
It is also £841k more expensive than the average property across the SO31 district.
More reading links
Schools Nearby
- Hook-With-Warsash Church of England Academy800 m away
- Sarisbury Infant School1.7 km away
- Locks Heath Junior School2.0 km away
- Brookfield Community School1.7 km away
- The Hamble School2.6 km away
- Oasis Academy Mayfield5.1 km away
More reading links
Public Transport Nearby
- Hamble|2.6 km away
- Bursledon|3.2 km away
- Swanwick|3.4 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
