Our Data Sources
Flat 9, John Day House, Isleworth has no recent1 records in the the Land Registry and a single entry in the EPC database dated October 2019.
We combine this information with public data 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 Flat 9, John Day House, Isleworth is in very good condition we estimate a sale value of £419,866 and a rental value of £1,883 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £371,881 and a rental value of £1,668 per month.
Energy Efficiency
Flat 9, John Day House, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Oct 2019.
The property is connected to mains gas and has full secondary glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, Flat 9, John Day House, Isleworth was last sold on 14th April 2000 for £139,950 and was recorded as a leasehold flat.
The property has only had this single sale since 1995.
- Sold Apr 2000£139,950
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 46 sales of properties similar to Flat 9, John Day House, Isleworth within a radius of 520 metres over the last 2 years.
The most recent example is Flat 50, Lion Court, Lion Wharf Road, Isleworth, TW7 6XX, a leasehold flat which sold for £370,000 on the 3rd March 2025.
Read more about house prices in TW7.
- Sold Mar 2025£370,000 | 2 Bed FlatFlat 50, Lion Court, Lion Wharf Road, Isleworth, TW7 6XXFlat 50, Lion Court, Lion Wharf Road, Isleworth, TW7 6XX
- Sold Feb 2025£382,500 | 2 Bed FlatFlat 41, Lion Court, Lion Wharf Road, Isleworth, TW7 6XXFlat 41, Lion Court, Lion Wharf Road, Isleworth, TW7 6XX
- Sold Oct 2024£375,000 | 2 Bed FlatFlat 42, Lion Court, Lion Wharf Road, Isleworth, TW7 6XXFlat 42, Lion Court, Lion Wharf Road, Isleworth, TW7 6XX
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Lower Square, Isleworth, TW7 has a total of 40 addresses. According to our analysis of all the public data, Flat 9, John Day House, Isleworth is the 32nd largest and the 29th most expensive property on the street.
When compared to the postcode district it is £107k less expensive than the average property in TW7.
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Schools Nearby
- The Blue School CofE Primary100 m away
- St Mary's Catholic Primary School, Isleworth300 m away
- Worple Primary School400 m away
- Gumley House RC Convent School, FCJ500 m away
- The Green School for Boys900 m away
- The Green School for Girls1.1 km away
More reading links
Public Transport Nearby
- Isleworth|1.1 km away
- Syon Lane|1.4 km away
- Richmond|1.6 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast 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.












