Our Data Sources
40, Newton Road, Isleworth has 21 entries in the Land Registry , most recently in February 2007 and a single entry in the EPC database dated June 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 40, Newton Road, Isleworth would be worth £706,667, with a potential rental value of £2,903 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £625,905, with a rental value of £2,571 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
40, Newton Road, Isleworth occupies a 150 m2 plot as recorded by HM Land Registry.
Of the 42 other houses in this postcode, 41 have recorded plot sizes, and this one ranks as the 10th largest.
Energy Efficiency
40, Newton Road, Isleworth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 10 Jun 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
40, Newton Road, Isleworth last changed hands on 9th February 2007, selling for £268,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 84.8% since February 2007.
- Sold Feb 2007£268,000
- Sold Jun 1997£93,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 370 metres of 40, Newton Road, Isleworth across the last 2 years.
Most recently, 55, Castle Road, Isleworth, TW7 6QR, a freehold house, sold at £715,000 on the 11th March 2026.
Read more about house prices in TW7.
- Sold Mar 2026£715,000 | 4 Bed House55, Castle Road, Isleworth, TW7 6QR55, Castle Road, Isleworth, TW7 6QR
- Sold Apr 2024£647,500 | 4 Bed House38, Castle Road, Isleworth, TW7 6QS38, Castle Road, Isleworth, TW7 6QS
- Sold Oct 2023£650,000 | 4 Bed House31, Castle Road, Isleworth, TW7 6QR31, Castle Road, Isleworth, TW7 6QR
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 40, Newton Road, Isleworth as the 6th largest and the 5th most expensive of the 42 addresses on Newton Road, Isleworth, TW7.
Against the TW7 postcode district average, it is £171k more expensive than the typical property.
More reading links
Schools Nearby
- 500mIsleworth Town Primary School
- 600mThe Smallberry Green Primary School
- 800mSt Mary's Catholic Primary School, Isleworth
- 600mGumley House RC Convent School, FCJ
- 900mIsleworth and Syon School for Boys
- 1.0kmThe Green School for Girls
More reading links
Public Transport Nearby
- 100mIsleworth
- 1.2kmSyon Lane
- 1.3kmOsterley
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.












