Our Data Sources
203, Syon Lane, Isleworth has a single entry in the Land Registry from March 2018 and a single entry in the EPC database dated October 2017.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
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 203, Syon Lane, Isleworth, we estimate a market value of £728,056 and a rental value of £3,000 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £644,850 and £2,657 per month respectively.
Plot Size
HM Land Registry records the plot of land for 203, Syon Lane, Isleworth as measuring 217 m2.
That makes it the 19th largest plot in the postcode, where all 19 other houses have recorded plot data.
Energy Efficiency
203, Syon Lane, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Oct 2017.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 203, Syon Lane, Isleworth completed on 16th March 2018 at £599,950 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 9.6% over the period since March 2018.
- Sold Mar 2018£599,950
Similar Properties Sold Nearby
Over the past 2 years 133 properties similar to 203, Syon Lane, Isleworth have sold within a radius of 820 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 12th December 2025, was 25, Oaklands Avenue, Isleworth, TW7 5PX, a freehold house which sold for £735,000.
Read more about house prices in TW7.
- Sold Dec 2025£735,000 | 4 Bed House25, Oaklands Avenue, Isleworth, TW7 5PX25, Oaklands Avenue, Isleworth, TW7 5PX
- Sold Nov 2025£490,000 | 4 Bed House52, Oaklands Avenue, Isleworth, TW7 5PY52, Oaklands Avenue, Isleworth, TW7 5PY
- Sold Jun 2023£775,000 | 4 Bed House201, Syon Lane, Isleworth, TW7 5PU201, Syon Lane, Isleworth, TW7 5PU
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Similar Properties Let Nearby
Over the past 2 years our Estate Agent network has recorded 1 let of a property comparable to 203, Syon Lane, Isleworth, all within 820 metres.
The latest, in August 2023, was 40, Syon Park Gardens, Isleworth, TW7 5NB, a freehold house let by Jorgensen Turner.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Of the 127 addresses on Syon Lane, Isleworth, TW7, 203, Syon Lane, Isleworth comes out as the 22nd largest and the 19th most expensive in our analysis of the public data.
It is also £187k more expensive than the average property across the TW7 district.
More reading links
Schools Nearby
- Marlborough Primary School1.0 km away
- The Smallberry Green Primary School1.3 km away
- Isleworth Town Primary School1.5 km away
- Bolder Academy300 m away
- Isleworth and Syon School for Boys800 m away
- The Green School for Girls1.1 km away
More reading links
Public Transport Nearby
- Syon Lane|900 m away
- Boston Manor|1.2 km away
- Osterley|1.3 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












