Our Data Sources
421A Road, Isleworth has no records in the the Land Registry and a single entry in the EPC database dated January 2025.
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 421A Road, Isleworth, we estimate a market value of £488,010 and a rental value of £2,118 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £432,238 and £1,876 per month respectively.
Energy Efficiency
421A Road, Isleworth has an Energy Performance Rating (EPC) of A. This is based on the most recent assessment, dated 27 Jan 2025.
The property is not connected to mains gas and has high performance glazing. It is heated using Air source heat pump, underfloor, electric.
Similar Properties Sold Nearby
Over the past 2 years 27 properties similar to 421A Road, Isleworth have sold within a radius of 410 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 13th February 2026, was 104, Linkfield Road, Isleworth, TW7 6QJ, a freehold house which sold for £460,000.
Read more about house prices in TW7.
- Sold Feb 2026£460,000 | 2 Bed House104, Linkfield Road, Isleworth, TW7 6QJ104, Linkfield Road, Isleworth, TW7 6QJ
- Sold Jun 2025£465,000 | 3 Bed House6, Linkfield Road, Isleworth, TW7 6QH6, Linkfield Road, Isleworth, TW7 6QH
- Sold Sep 2023£550,000 | 3 Bed House106, Linkfield Road, Isleworth, TW7 6QJ106, Linkfield Road, Isleworth, TW7 6QJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 879 addresses on London Road, Isleworth, TW7, 421A Road, Isleworth comes out as the 405th largest and the 148th most expensive in our analysis of the public data.
It is also £42k less expensive than the average property across the TW7 district.
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Schools Nearby
- Isleworth Town Primary School300 m away
- The Smallberry Green Primary School300 m away
- Marlborough Primary School500 m away
- The Green School for Girls700 m away
- The Green School for Boys700 m away
- Gumley House RC Convent School, FCJ700 m away
More reading links
Public Transport Nearby
- Isleworth|300 m away
- Syon Lane|900 m away
- Osterley|1.4 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
