Our Data Sources
Flat 5, 40, Osterley Avenue, Isleworth has no records in the the Land Registry and a single entry in the EPC database dated October 2021.
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
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 Flat 5, 40, Osterley Avenue, Isleworth, we estimate a market value of £286,907 and a rental value of £1,352 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £254,117 and £1,197 per month respectively.
Energy Efficiency
Flat 5, 40, Osterley Avenue, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Oct 2021.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Room heaters, electric.
Similar Properties Sold Nearby
Over the past 2 years 57 properties similar to Flat 5, 40, Osterley Avenue, Isleworth have sold within a radius of 630 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 9th October 2025, was 12, Chamberlain Gardens, Hounslow, TW3 4NF, a leasehold flat which sold for £260,000.
Read more about house prices in TW7.
- Sold Oct 2025£260,000 | 2 Bed Flat12, Chamberlain Gardens, Hounslow, TW3 4NF12, Chamberlain Gardens, Hounslow, TW3 4NF
- Sold Apr 2025£292,000 | 2 Bed Flat7, Chamberlain Gardens, Hounslow, TW3 4NF7, Chamberlain Gardens, Hounslow, TW3 4NF
- Sold Nov 2024£310,000 | 2 Bed FlatFlat 5, Marygold House, Taylor Close, Hounslow, TW3 4BZFlat 5, Marygold House, Taylor Close, Hounslow, TW3 4BZ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 48 addresses on Osterley Avenue, Isleworth, TW7, Flat 5, 40, Osterley Avenue, Isleworth comes out as the 46th largest and the 46th most expensive in our analysis of the public data.
It is also £233k less expensive than the average property across the TW7 district.
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Schools Nearby
- Spring Grove Primary School900 m away
- Alexandra Primary School1.2 km away
- Heston Primary School1.5 km away
- Isleworth and Syon School for Boys600 m away
- Lampton Academy1.4 km away
- Lift Kingsley1.4 km away
More reading links
Public Transport Nearby
- Osterley|200 m away
- Hounslow East|1.1 km away
- Isleworth|1.2 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












