Our Data Sources
19, Sidmouth Avenue, Isleworth has no records in the the Land Registry and a single entry in the EPC database dated December 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 19, Sidmouth Avenue, Isleworth would be worth £562,070, with a potential rental value of £2,346 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £497,833, with a rental value of £2,078 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
19, Sidmouth Avenue, Isleworth occupies a 235 m2 plot as recorded by HM Land Registry.
All 35 other houses in this postcode have recorded plot sizes, and this one ranks as the 33rd largest.
Energy Efficiency
19, Sidmouth Avenue, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Dec 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 127 sales of comparable properties within 430 metres of 19, Sidmouth Avenue, Isleworth across the last 2 years.
Most recently, 17, Sidmouth Avenue, Isleworth, TW7 4DW, a freehold house, sold at £550,000 on the 19th December 2025.
Read more about house prices in TW7.
- Sold Dec 2025£550,000 | 3 Bed House17, Sidmouth Avenue, Isleworth, TW7 4DW17, Sidmouth Avenue, Isleworth, TW7 4DW
- Sold Jul 2025£515,000 | 3 Bed House4, Crawford Close, Isleworth, TW7 4DP4, Crawford Close, Isleworth, TW7 4DP
- Sold Jun 2024£575,000 | 3 Bed House5, Sidmouth Avenue, Isleworth, TW7 4DW5, Sidmouth Avenue, Isleworth, TW7 4DW
•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 19, Sidmouth Avenue, Isleworth as the 66th largest and the 72nd most expensive of the 113 addresses on Sidmouth Avenue, Isleworth, TW7.
Against the TW7 postcode district average, it is £29k more expensive than the typical property.
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Schools Nearby
- Spring Grove Primary School500 m away
- Isleworth Town Primary School800 m away
- The Smallberry Green Primary School900 m away
- Isleworth and Syon School for Boys800 m away
- Gumley House RC Convent School, FCJ900 m away
- The Green School for Girls1.3 km away
More reading links
Public Transport Nearby
- Isleworth|300 m away
- Osterley|1.1 km away
- Hounslow East|1.1 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.
