Our Data Sources
155, Syon Lane, Isleworth has a single entry in the Land Registry from January 2024 and a single entry in the EPC database dated August 2023.
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 155, Syon Lane, Isleworth would be worth £732,354, with a potential rental value of £3,095 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £648,656, with a rental value of £2,741 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
155, Syon Lane, Isleworth occupies a 238 m2 plot as recorded by HM Land Registry.
All 18 other houses in this postcode have recorded plot sizes, and this one ranks as the 12th largest.
Energy Efficiency
155, Syon Lane, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Aug 2023.
The property is connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
155, Syon Lane, Isleworth last changed hands on 12th January 2024, selling for £625,000. 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 0.1% since January 2024.
- Sold Jan 2024£625,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 91 sales of comparable properties within 710 metres of 155, Syon Lane, Isleworth across the last 2 years.
Most recently, 52, Oaklands Avenue, Isleworth, TW7 5PY, a freehold house, sold at £490,000 on the 13th November 2025.
Read more about house prices in TW7.
- Sold Nov 2025£490,000 | 4 Bed House52, Oaklands Avenue, Isleworth, TW7 5PY52, Oaklands Avenue, Isleworth, TW7 5PY
- Sold Nov 2025£757,000 | 4 Bed House50, Oaklands Avenue, Isleworth, TW7 5PY50, Oaklands Avenue, Isleworth, TW7 5PY
- Sold May 2025£813,000 | 4 Bed House46, Oaklands Avenue, Isleworth, TW7 5PY46, Oaklands Avenue, Isleworth, TW7 5PY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Similar Properties Let Nearby
Agents in our network have reported 1 letting of a comparable property within 710 metres of 155, Syon Lane, 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 155, Syon Lane, Isleworth as the 13th largest and the 17th most expensive of the 127 addresses on Syon Lane, Isleworth, TW7.
Against the TW7 postcode district average, it is £191k more expensive than the typical property.
More reading links
Schools Nearby
- Marlborough Primary School900 m away
- The Smallberry Green Primary School1.2 km away
- Isleworth Town Primary School1.4 km away
- Bolder Academy300 m away
- Isleworth and Syon School for Boys800 m away
- The Green School for Girls1.0 km away
More reading links
Public Transport Nearby
- Syon Lane|700 m away
- Isleworth|1.3 km away
- Boston Manor|1.3 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.
