Our Data Sources
20, Syon Lane, Isleworth has no records in either the Land Registry or EPC database.
The local information is scored as 1 out of 5 and is considered of low accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 20, Syon Lane, Isleworth, we estimate a market value of £697,973 and a rental value of £2,761 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £618,205 and £2,446 per month respectively.
Plot Size
HM Land Registry records the plot of land for 20, Syon Lane, Isleworth as measuring 223 m2.
That makes it the 4th largest plot in the postcode, where 9 of the 12 other houses have recorded plot data.
Energy Efficiency
20, Syon Lane, Isleworth has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 01 Aug 2017.
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
Over the past 2 years 60 properties similar to 20, Syon Lane, Isleworth have sold within a radius of 570 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 17th November 2025, was 46, Epworth Road, Isleworth, TW7 5BN, a freehold house which sold for £550,000.
Read more about house prices in TW7.
- Sold Nov 2025£550,000 | 3 Bed House46, Epworth Road, Isleworth, TW7 5BN46, Epworth Road, Isleworth, TW7 5BN
- Sold Jun 2025£616,000 | 3 Bed House45, Marlborough Road, Isleworth, TW7 5BZ45, Marlborough Road, Isleworth, TW7 5BZ
- Sold Aug 2023£550,000 | 3 Bed House50, Acacia Avenue, Brentford, TW8 8NR50, Acacia Avenue, Brentford, TW8 8NR
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 127 addresses on Syon Lane, Isleworth, TW7, 20, Syon Lane, Isleworth comes out as the 47th largest and the 29th most expensive in our analysis of the public data.
It is also £158k more expensive than the average property across the TW7 district.
More reading links
Schools Nearby
- Marlborough Primary School500 m away
- The Smallberry Green Primary School700 m away
- Isleworth Town Primary School900 m away
- The Green School for Girls300 m away
- The Green School for Boys300 m away
- Bolder Academy1.1 km away
More reading links
Public Transport Nearby
- Syon Lane|300 m away
- Brentford|1.2 km away
- Isleworth|1.2 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
