Our Data Sources
139, Hartham Road, Isleworth has 41 entries in the Land Registry , most recently in August 2013 and a single entry in the EPC database dated July 2025.
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 139, Hartham Road, Isleworth is in very good condition we estimate a sale value of £681,856 and a rental value of £2,873 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £603,929 and a rental value of £2,544 per month.
Plot Size
According to data from HM Land Registry, 139, Hartham Road, Isleworth sits on a plot of 212 m2.
We have plot size data on 23 out of 23 other houses in the postcode and 139, Hartham Road, Isleworth sits on the 2nd largest plot.
Energy Efficiency
139, Hartham Road, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Jul 2025.
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, 139, Hartham Road, Isleworth was last sold on 9th August 2013 for £395,000 and was recorded as a freehold house.
The property has had 4 sales since 1995.
Since August 2013, the market for similar properties has risen by 50.0%.
- Sold Aug 2013£395,000
- Sold Oct 2006£273,000
- Sold May 2003£218,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 139, Hartham Road, Isleworth within a radius of 440 metres over the last 2 years.
The most recent example is 69, Hartham Road, Isleworth, TW7 5EY, a freehold house which sold for £610,000 on the 31st January 2025.
Read more about house prices in TW7.
- Sold Jan 2025£610,000 | 4 Bed House69, Hartham Road, Isleworth, TW7 5EY69, Hartham Road, Isleworth, TW7 5EY
- Sold Jan 2023£695,000 | 4 Bed House99, Hartham Road, Isleworth, TW7 5EY99, Hartham Road, Isleworth, TW7 5EY
- Sold Aug 2022£675,000 | 4 Bed House58, Hartham Road, Isleworth, TW7 5ES58, Hartham Road, Isleworth, TW7 5ES
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Hartham Road, Isleworth, TW7 has a total of 133 addresses. According to our analysis of all the public data, 139, Hartham Road, Isleworth is the 23rd largest and the 22nd most expensive property on the street.
When compared to the postcode district it is £147k more expensive than the average property in TW7.
More reading links
Schools Nearby
- 300mThe Smallberry Green Primary School
- 400mMarlborough Primary School
- 400mIsleworth Town Primary School
- 500mThe Green School for Girls
- 600mThe Green School for Boys
- 800mIsleworth and Syon School for Boys
More reading links
Public Transport Nearby
- 400mIsleworth
- 700mSyon Lane
- 1.4kmOsterley
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.
