Our Data Sources
657, Great West Road, Isleworth has 31 entries in the Land Registry , most recently in March 2011 and a single entry in the EPC database dated February 2026.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 657, Great West Road, Isleworth would be worth £684,933, with a potential rental value of £3,016 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £606,655, with a rental value of £2,671 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
657, Great West Road, Isleworth occupies a 351 m2 plot as recorded by HM Land Registry.
All 14 other houses in this postcode have recorded plot sizes, and this one ranks as the 12th largest.
Energy Efficiency
657, Great West Road, Isleworth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 02 Feb 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
657, Great West Road, Isleworth last changed hands on 25th March 2011, selling for £410,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 52.7% since March 2011.
- Sold Mar 2011£410,000
- Sold Jan 2006£365,000
- Sold Nov 2000£125,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 81 sales of comparable properties within 600 metres of 657, Great West Road, Isleworth across the last 2 years.
Most recently, 668, Great West Road, Isleworth, TW7 4PU, a freehold house, sold at £700,000 on the 27th March 2026.
Read more about house prices in TW7.
- Sold Mar 2026£700,000 | 4 Bed House668, Great West Road, Isleworth, TW7 4PU668, Great West Road, Isleworth, TW7 4PU
- Sold Feb 2024£772,500 | 4 Bed House19, Osterley Avenue, Isleworth, TW7 4QF19, Osterley Avenue, Isleworth, TW7 4QF
- Sold Jul 2022£652,487 | 4 Bed House1, Moreton Avenue, Isleworth, TW7 4NW1, Moreton Avenue, Isleworth, TW7 4NW
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 657, Great West Road, Isleworth as the 68th largest and the 124th most expensive of the 252 addresses on Great West Road, Isleworth, TW7.
Against the TW7 postcode district average, it is £146k more expensive than the typical property.
More reading links
Schools Nearby
- Spring Grove Primary School900 m away
- Marlborough Primary School1.3 km away
- Alexandra Primary School1.3 km away
- Isleworth and Syon School for Boys300 m away
- Bolder Academy1.3 km away
- The Green School for Girls1.5 km away
More reading links
Public Transport Nearby
- Osterley|400 m away
- Isleworth|1.0 km away
- Hounslow East|1.2 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.
