Our Data Sources
40, Byfield Road, Isleworth has 61 entries in the Land Registry, most recently in April 2020 and a single entry in the EPC database dated January 2026.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 40, Byfield Road, Isleworth is in very good condition we estimate a sale value of £266,083 and a rental value of £1,402 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £235,673 and a rental value of £1,242 per month.
Energy Efficiency
40, Byfield Road, Isleworth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 Jan 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 40, Byfield Road, Isleworth was last sold on 30th April 2020 for £251,950 and was recorded as a leasehold flat.
The property has had 6 sales since 1995.
Since April 2020, the market for similar properties has risen by 5.2%.
- Sold Apr 2020£251,950
- Sold Sep 2012£194,000
- Sold Jan 2008£180,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 16 sales of properties similar to 40, Byfield Road, Isleworth within a radius of 450 metres since 2007.
The most recent example is 20, Shrewsbury Walk, Isleworth, TW7 7DE, a leasehold flat which sold for £275,000 on the 26th July 2024.
Read more about house prices in TW7.
- Sold Jul 2024£275,000 | 2 Bed Flat20, Shrewsbury Walk, Isleworth, TW7 7DE20, Shrewsbury Walk, Isleworth, TW7 7DE
- Sold May 2023£293,000 | 2 Bed Flat8 Wisdom Court, South Street, Isleworth, TW7 7AB8 Wisdom Court, South Street, Isleworth, TW7 7AB
- Sold Jul 2022£134,750 | 2 Bed Flat41 Bowyers Court, Railshead Road, Twickenham, TW1 1RJ41 Bowyers Court, Railshead Road, Twickenham, TW1 1RJ
- Sold Sep 2021£310,000 | 2 Bed Flat7, Lawrence Parade, Isleworth, TW7 6RG7, Lawrence Parade, Isleworth, TW7 6RG
- Sold Jun 2021£416,700 | 2 Bed FlatFlat 13, Beck House 174, Twickenham Road, Isleworth, TW7 7DJFlat 13, Beck House 174, Twickenham Road, Isleworth, TW7 7DJ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £497,055, ranging from £219,712 to £907,787.
- 38 Byfield Road
2 Bed Flat | 0 m | Est. Value: £219,712
- 42 Byfield Road
3 Bed House | 22 m | Est. Value: £688,925
- 47 Algar Road
4 Bed House | 25 m | Est. Value: £907,787
- 44 Byfield Road
3 Bed House | 28 m | Est. Value: £668,966
- 7 Algar Close
2 Bed Flat | 33 m | Est. Value: £324,390
Location Comparison
Byfield Road, Isleworth, TW7 has a total of 27 addresses. According to our analysis of all the public data, 40, Byfield Road, Isleworth is the 22nd largest and the 25th most expensive property on the street.
When compared to the postcode district it is £264k less expensive than the average property in TW7.
More reading links
Schools Nearby
- St Mary's Catholic Primary School, Isleworth200 m away
- The Blue School CofE Primary300 m away
- Worple Primary School300 m away
- Gumley House RC Convent School, FCJ200 m away
- The Green School for Boys1.2 km away
- The Green School for Girls1.3 km away
More reading links
Public Transport Nearby
- Isleworth|1.0 km away
- St Margarets (London)|1.5 km away
- Syon Lane|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 available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
