Our Data Sources
856, Great West Road, Isleworth has a single entry in the Land Registry from February 2008 and a single entry in the EPC database dated February 2021.
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 856, Great West Road, Isleworth would be worth £584,041, with a potential rental value of £2,591 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £517,294, with a rental value of £2,295 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
856, Great West Road, Isleworth occupies a 361 m2 plot as recorded by HM Land Registry.
All 24 other houses in this postcode have recorded plot sizes, and this one ranks as the 8th largest.
Energy Efficiency
856, Great West Road, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Feb 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
856, Great West Road, Isleworth last changed hands on 1st February 2008, selling for £340,000. 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 risen by 64.3% since February 2008.
- Sold Feb 2008£340,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 89 sales of comparable properties within 600 metres of 856, Great West Road, Isleworth across the last 2 years.
Most recently, 88, Syon Lane, Isleworth, TW7 5NQ, a freehold house, sold at £597,450 on the 24th October 2025.
Read more about house prices in TW7.
- Sold Oct 2025£597,450 | 3 Bed House88, Syon Lane, Isleworth, TW7 5NQ88, Syon Lane, Isleworth, TW7 5NQ
- Sold Feb 2025£550,000 | 3 Bed House102, Syon Lane, Isleworth, TW7 5NJ102, Syon Lane, Isleworth, TW7 5NJ
- Sold Dec 2020£587,300 | 3 Bed House66, Syon Lane, Isleworth, TW7 5NQ66, Syon Lane, Isleworth, TW7 5NQ
•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 600 metres of 856, Great West Road, 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 856, Great West Road, Isleworth as the 176th largest and the 174th most expensive of the 252 addresses on Great West Road, Isleworth, TW7.
Against the TW7 postcode district average, it is £50k more expensive than the typical property.
More reading links
Schools Nearby
- Marlborough Primary School500 m away
- The Smallberry Green Primary School900 m away
- Isleworth Town Primary School1.1 km away
- The Green School for Girls600 m away
- Bolder Academy600 m away
- The Green School for Boys800 m away
More reading links
Public Transport Nearby
- Syon Lane|400 m away
- Isleworth|1.1 km away
- Boston Manor|1.4 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.












