Our Data Sources
21, Byfield Road, Isleworth has no records in the Land Registry and a single entry in the EPC database dated December 2017.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 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 21, Byfield Road, Isleworth, we estimate a market value of £408,638 and a rental value of £1,629 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £361,936 and £1,443 per month respectively.
Energy Efficiency
21, Byfield Road, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Dec 2017.
The property is connected to mains gas and has full secondary glazing. It is heated using a boiler and radiators (mains gas).
Properties Sold Nearby
Since 2007 934 properties have sold within 440 metres of 21, Byfield Road, Isleworth, per the Land Registry and our network of Estate Agents.
The latest, on the 8th April 2026, was 16, Tolson Road, Isleworth, TW7 7AE, a freehold house which sold for £700,000.
Read more about house prices in TW7.
- Sold Apr 2026£700,000 | 3 Bed House16, Tolson Road, Isleworth, TW7 7AE16, Tolson Road, Isleworth, TW7 7AE
- Sold Mar 2026£565,000 | 3 Bed House19, Tolson Road, Isleworth, TW7 7AE19, Tolson Road, Isleworth, TW7 7AE
- Sold Nov 2025£390,500 | 2 Bed House11, Tolson Road, Isleworth, TW7 7AE11, Tolson Road, Isleworth, TW7 7AE
- Sold Jul 2025£500,000 | 3 Bed House9, Tolson Road, Isleworth, TW7 7AE9, Tolson Road, Isleworth, TW7 7AE
- Sold Jun 2024£625,000 | 4 Bed House17, Byfield Road, Isleworth, TW7 7AF17, Byfield Road, Isleworth, TW7 7AF
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £601,596, ranging from £389,179 to £739,926.
- 19 Byfield Road
2 Bed House | 3 m | Est. Value: £389,179
- 17 Byfield Road
4 Bed House | 11 m | Est. Value: £739,926
- 15 Byfield Road
3 Bed House | 14 m | Est. Value: £526,296
- 13 Byfield Road
3 Bed House | 19 m | Est. Value: £530,779
- 20 Tolson Road
4 Bed House | 30 m | Est. Value: £698,850
Location Comparison
Of the 27 addresses on Byfield Road, Isleworth, TW7, 21, Byfield Road, Isleworth comes out as the 26th largest and the 22nd most expensive in our analysis of the public data.
It is also £128k less expensive than the average property across the TW7 district.
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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
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
