Our Data Sources
18, Roxborough Avenue, Isleworth has a single entry in the Land Registry from January 2021 and a single entry in the EPC database dated March 2015.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 18, Roxborough Avenue, Isleworth would be worth £691,223, with a potential rental value of £2,807 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £612,226, with a rental value of £2,486 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Roxborough Avenue, Isleworth occupies a 242 m2 plot as recorded by HM Land Registry.
All 23 other houses in this postcode have recorded plot sizes, and this one ranks as the 23rd largest.
Energy Efficiency
18, Roxborough Avenue, Isleworth has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 20 Mar 2015.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
18, Roxborough Avenue, Isleworth last changed hands on 22nd January 2021, selling for £670,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has dropped by 1.8% since January 2021.
- Sold Jan 2021£670,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 176 sales of comparable properties within 520 metres of 18, Roxborough Avenue, Isleworth across the last 2 years.
Most recently, 67, Roxborough Avenue, Isleworth, TW7 5HQ, a freehold house, sold at £710,000 on the 17th September 2025.
Read more about house prices in TW7.
- Sold Sep 2025£710,000 | 4 Bed House67, Roxborough Avenue, Isleworth, TW7 5HQ67, Roxborough Avenue, Isleworth, TW7 5HQ
- Sold Mar 2025£675,000 | 3 Bed House33, Roxborough Avenue, Isleworth, TW7 5HQ33, Roxborough Avenue, Isleworth, TW7 5HQ
- Sold Sep 2024£738,000 | 4 Bed House23, Downs View, Isleworth, TW7 5HF23, Downs View, Isleworth, TW7 5HF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Properties Let Nearby
Agents in our network have reported 1 letting within 520 metres of 18, Roxborough Avenue, Isleworth across the last 2 years.
The newest of these is 40, Syon Park Gardens, Isleworth, TW7 5NB, a freehold house let by Jorgensen Turner in August 2023.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Our analysis of the public data ranks 18, Roxborough Avenue, Isleworth as the 59th largest and the 66th most expensive of the 103 addresses on Roxborough Avenue, Isleworth, TW7.
Against the TW7 postcode district average, it is £152k more expensive than the typical property.
More reading links
Schools Nearby
- Marlborough Primary School200 m away
- The Smallberry Green Primary School600 m away
- Isleworth Town Primary School800 m away
- The Green School for Girls300 m away
- The Green School for Boys500 m away
- Isleworth and Syon School for Boys800 m away
More reading links
Public Transport Nearby
- Syon Lane|300 m away
- Isleworth|800 m away
- Osterley|1.5 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
