Our Data Sources
34, Osterley Avenue, Isleworth has a single entry in the Land Registry from October 2015 and a single entry in the EPC database dated November 2025.
We combine this information with that 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 34, Osterley Avenue, Isleworth, we estimate a market value of £1,393,616 and a rental value of £5,003 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £1,234,345 and £4,431 per month respectively.
Plot Size
HM Land Registry records the plot of land for 34, Osterley Avenue, Isleworth as measuring 320 m2.
That makes it the 11th largest plot in the postcode, where 40 of the 42 other houses have recorded plot data.
Energy Efficiency
34, Osterley Avenue, Isleworth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Nov 2025.
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 34, Osterley Avenue, Isleworth completed on 8th October 2015 at £725,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 1.8% over the period since October 2015.
- Sold Oct 2015£725,000
Similar Properties Sold Nearby
Over the past 2 years 4 properties similar to 34, 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 31st March 2023, was 157, Jersey Road, Isleworth, TW7 4QJ, a freehold house which sold for £1,060,000.
Read more about house prices in TW7.
- Sold Mar 2023£1,060,000 | 6 Bed House157, Jersey Road, Isleworth, TW7 4QJ157, Jersey Road, Isleworth, TW7 4QJ
- Sold May 2022£22,500 | 6 Bed House1, Cranmore Avenue, Isleworth, TW7 4QW1, Cranmore Avenue, Isleworth, TW7 4QW
- Sold Dec 2018£750,000 | 6 Bed House4, Eversley Crescent, Isleworth, TW7 4LS4, Eversley Crescent, Isleworth, TW7 4LS
•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, 34, Osterley Avenue, Isleworth comes out as the 2nd largest and the 2nd most expensive in our analysis of the public data.
It is also £821k more expensive than the average property across the TW7 district.
More reading links
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.












