Our Data Sources
14, Osterley Avenue, Isleworth has no records in the the Land Registry and a single entry in the EPC database dated May 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high 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 14, Osterley Avenue, Isleworth, we estimate a market value of £1,077,685 and a rental value of £3,869 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £954,521 and £3,426 per month respectively.
Plot Size
HM Land Registry records the plot of land for 14, Osterley Avenue, Isleworth as measuring 247 m2.
That makes it the 36th largest plot in the postcode, where 40 of the 42 other houses have recorded plot data.
Energy Efficiency
14, Osterley Avenue, Isleworth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 13 May 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 39 properties similar to 14, Osterley Avenue, Isleworth have sold within a radius of 640 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 6th May 2022, was 3, Cranmore Avenue, Isleworth, TW7 4QW, a freehold house which sold for £1,100,000.
Read more about house prices in TW7.
- Sold May 2022£1,100,000 | 5 Bed House3, Cranmore Avenue, Isleworth, TW7 4QW3, Cranmore Avenue, Isleworth, TW7 4QW
- Sold Nov 2021£945,000 | 5 Bed House2, Osterley Avenue, Isleworth, TW7 4QF2, Osterley Avenue, Isleworth, TW7 4QF
- Sold May 2020£910,000 | 5 Bed House31, Osterley Avenue, Isleworth, TW7 4QF31, Osterley Avenue, Isleworth, TW7 4QF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 48 addresses on Osterley Avenue, Isleworth, TW7, 14, Osterley Avenue, Isleworth comes out as the 10th largest and the 9th most expensive in our analysis of the public data.
It is also £520k more 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.












