Our Data Sources
399 Road, Isleworth has a single entry in the Land Registry from January 2015 and a single entry in the EPC database dated November 2010.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 399 Road, Isleworth is in very good condition we estimate a sale value of £535,963 and a rental value of £2,367 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £474,710 and a rental value of £2,096 per month.
Plot Size
According to data from HM Land Registry, 399 Road, Isleworth sits on a plot of 280 m2.
We have plot size data on 27 out of 27 other houses in the postcode and 399 Road, Isleworth sits on the 18th largest plot.
Energy Efficiency
399 Road, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Nov 2010.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 399 Road, Isleworth was last sold on 7th January 2015 for £420,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since January 2015, the market for similar properties has risen by 23.9%.
- Sold Jan 2015£420,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 154 sales of properties similar to 399 Road, Isleworth within a radius of 430 metres over the last 2 years.
The most recent example is 54, Amhurst Gardens, Isleworth, TW7 6AJ, a freehold house which sold for £625,000 on the 17th March 2026.
Read more about house prices in TW7.
- Sold Mar 2026£625,000 | 3 Bed House54, Amhurst Gardens, Isleworth, TW7 6AJ54, Amhurst Gardens, Isleworth, TW7 6AJ
- Sold Mar 2025£290,000 | 3 Bed House3, Amhurst Gardens, Isleworth, TW7 6AN3, Amhurst Gardens, Isleworth, TW7 6AN
- Sold Nov 2022£625,000 | 3 Bed House419, London Road, Isleworth, TW7 5AQ419, London Road, Isleworth, TW7 5AQ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
London Road, Isleworth, TW7 has a total of 879 addresses. According to our analysis of all the public data, 399 Road, Isleworth is the 171st largest and the 119th most expensive property on the street.
When compared to the postcode district it is £4k more expensive than the average property in TW7.
More reading links
Schools Nearby
- The Smallberry Green Primary School200 m away
- Isleworth Town Primary School300 m away
- Marlborough Primary School300 m away
- The Green School for Girls500 m away
- The Green School for Boys500 m away
- Gumley House RC Convent School, FCJ800 m away
More reading links
Public Transport Nearby
- Isleworth|500 m away
- Syon Lane|700 m away
- Osterley|1.6 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
