Our Data Sources
12, Syon Lane, Isleworth has no recent1 records in the the Land Registry and a single entry in the EPC database dated September 2009.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 12, Syon Lane, Isleworth would be worth £636,781, with a potential rental value of £2,510 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £564,006, with a rental value of £2,223 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
12, Syon Lane, Isleworth occupies a 181 m2 plot as recorded by HM Land Registry.
Of the 12 other houses in this postcode, 9 have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
12, Syon Lane, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Sep 2009.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
12, Syon Lane, Isleworth last changed hands on 26th July 2005, selling for £268,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
- Sold Jul 2005£268,000
- Sold Apr 1996£75,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 88 sales of comparable properties within 570 metres of 12, Syon Lane, Isleworth across the last 2 years.
Most recently, 46, Epworth Road, Isleworth, TW7 5BN, a freehold house, sold at £550,000 on the 17th November 2025.
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
Our analysis of the public data ranks 12, Syon Lane, Isleworth as the 64th largest and the 46th most expensive of the 127 addresses on Syon Lane, Isleworth, TW7.
Against the TW7 postcode district average, it is £100k more expensive than the typical property.
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
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.












