Our Data Sources
7, Thornbury Avenue, Isleworth has no records in the the Land Registry and a single entry in the EPC database dated November 2025.
We combine this information with public data 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
In very good condition, we estimate 7, Thornbury Avenue, Isleworth would be worth £902,591, with a potential rental value of £3,471 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £799,437, with a rental value of £3,074 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
7, Thornbury Avenue, Isleworth occupies a 262 m2 plot as recorded by HM Land Registry.
All 16 other houses in this postcode have recorded plot sizes, and this one ranks as the 7th largest.
Energy Efficiency
7, Thornbury Avenue, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Nov 2025.
The property is connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 81 sales of comparable properties within 580 metres of 7, Thornbury Avenue, Isleworth across the last 2 years.
Most recently, 93, Thornbury Road, Isleworth, TW7 4NL, a freehold house, sold at £800,000 on the 10th June 2024.
Read more about house prices in TW7.
- Sold Jun 2024£800,000 | 5 Bed House93, Thornbury Road, Isleworth, TW7 4NL93, Thornbury Road, Isleworth, TW7 4NL
- Sold Nov 2022£835,000 | 5 Bed House128, Thornbury Road, Isleworth, TW7 4NE128, Thornbury Road, Isleworth, TW7 4NE
- Sold Oct 2022£900,000 | 5 Bed House14, Thornbury Avenue, Isleworth, TW7 4NQ14, Thornbury Avenue, Isleworth, TW7 4NQ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 7, Thornbury Avenue, Isleworth as the 10th largest and the 9th most expensive of the 44 addresses on Thornbury Avenue, Isleworth, TW7.
Against the TW7 postcode district average, it is £353k more expensive than the typical property.
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Schools Nearby
- Spring Grove Primary School800 m away
- Alexandra Primary School1.1 km away
- Hounslow Town Primary School1.4 km away
- Isleworth and Syon School for Boys500 m away
- Lift Kingsley1.3 km away
- Lampton Academy1.4 km away
More reading links
Public Transport Nearby
- Osterley|200 m away
- Hounslow East|1.0 km away
- Isleworth|1.1 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
