Our Data Sources
21, Dawes Avenue, Isleworth has no records in the the Land Registry and a single entry in the EPC database dated May 2021.
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
In very good condition, we estimate 21, Dawes Avenue, Isleworth would be worth £535,845, with a potential rental value of £2,477 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £474,606, with a rental value of £2,194 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
21, Dawes Avenue, Isleworth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 26 May 2021.
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
Land Registry records and our Estate Agent network show 110 sales of comparable properties within 450 metres of 21, Dawes Avenue, Isleworth across the last 2 years.
Most recently, 55, Mogden Lane, Isleworth, TW7 7LH, a freehold house, sold at £450,000 on the 28th October 2025.
Read more about house prices in TW7.
- Sold Oct 2025£450,000 | 3 Bed House55, Mogden Lane, Isleworth, TW7 7LH55, Mogden Lane, Isleworth, TW7 7LH
- Sold Jul 2025£590,000 | 3 Bed House31, Dawes Avenue, Isleworth, TW7 7JU31, Dawes Avenue, Isleworth, TW7 7JU
- Sold Sep 2024£510,000 | 3 Bed House17, Dawes Avenue, Isleworth, TW7 7JU17, Dawes Avenue, Isleworth, TW7 7JU
•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 21, Dawes Avenue, Isleworth as the 44th largest and the 65th most expensive of the 65 addresses on Dawes Avenue, Isleworth, TW7.
Against the TW7 postcode district average, it is £4k more expensive than the typical property.
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Schools Nearby
- Worple Primary School600 m away
- Ivybridge Primary School600 m away
- St Stephen's C E Primary School700 m away
- Gumley House RC Convent School, FCJ800 m away
- The Richmond upon Thames School1.3 km away
- Orleans Park School1.5 km away
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Public Transport Nearby
- St Margarets (London)|1.0 km away
- Twickenham|1.3 km away
- Isleworth|1.5 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.
