Our Data Sources
15, Syon Lane, Isleworth has no records in the the Land Registry and a single entry in the EPC database dated December 2014.
We combine this information with public data 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 15, Syon Lane, Isleworth would be worth £493,508, with a potential rental value of £2,222 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £437,107, with a rental value of £1,968 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
15, Syon Lane, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Dec 2014.
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
Land Registry records and our Estate Agent network show 62 sales of comparable properties within 570 metres of 15, Syon Lane, Isleworth across the last 2 years.
Most recently, 15, Acacia Avenue, Brentford, TW8 8NR, a freehold house, sold at £561,000 on the 21st November 2025.
Read more about house prices in TW7.
- Sold Nov 2025£561,000 | 2 Bed House15, Acacia Avenue, Brentford, TW8 8NR15, Acacia Avenue, Brentford, TW8 8NR
- Sold Oct 2025£580,000 | 3 Bed House36, Epworth Road, Isleworth, TW7 5BN36, Epworth Road, Isleworth, TW7 5BN
- Sold May 2022£550,000 | 3 Bed House67, Marlborough Road, Isleworth, TW7 5BZ67, Marlborough Road, Isleworth, TW7 5BZ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 15, Syon Lane, Isleworth as the 116th largest and the 101st most expensive of the 127 addresses on Syon Lane, Isleworth, TW7.
Against the TW7 postcode district average, it is £37k less expensive than the typical property.
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Schools Nearby
- Marlborough Primary School500 m away
- The Smallberry Green Primary School700 m away
- Isleworth Town Primary School1.0 km away
- The Green School for Girls300 m away
- The Green School for Boys400 m away
- Bolder Academy1.1 km away
More reading links
Public Transport Nearby
- Syon Lane|300 m away
- Brentford|1.1 km away
- Isleworth|1.3 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.












