Our Data Sources
77, Castle Road, Isleworth has a single entry in the Land Registry from July 2015 and a single entry in the EPC database dated May 2026.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 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 77, Castle Road, Isleworth, we estimate a market value of £587,556 and a rental value of £2,384 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £520,407 and £2,111 per month respectively.
Plot Size
HM Land Registry records the plot of land for 77, Castle Road, Isleworth as measuring 101 m2.
That makes it the 38th largest plot in the postcode, where 42 of the 44 other houses have recorded plot data.
Energy Efficiency
77, Castle Road, Isleworth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 May 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 77, Castle Road, Isleworth completed on 16th July 2015 at £425,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 16.2% over the period since July 2015.
- Sold Jul 2015£425,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 77, Castle Road, Isleworth have sold within a radius of 370 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 17th December 2025, was 43, Linkfield Road, Isleworth, TW7 6QP, a freehold house which sold for £575,000.
Read more about house prices in TW7.
- Sold Dec 2025£575,000 | 3 Bed House43, Linkfield Road, Isleworth, TW7 6QP43, Linkfield Road, Isleworth, TW7 6QP
- Sold Jun 2025£477,500 | 3 Bed House33, Linkfield Road, Isleworth, TW7 6QP33, Linkfield Road, Isleworth, TW7 6QP
- Sold Jan 2024£556,000 | 3 Bed House51, Linkfield Road, Isleworth, TW7 6QP51, Linkfield Road, Isleworth, TW7 6QP
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 81 addresses on Castle Road, Isleworth, TW7, 77, Castle Road, Isleworth comes out as the 66th largest and the 49th most expensive in our analysis of the public data.
It is also £57k more expensive than the average property across the TW7 district.
More reading links
Schools Nearby
- 400mIsleworth Town Primary School
- 600mThe Smallberry Green Primary School
- 700mSt Mary's Catholic Primary School, Isleworth
- 600mGumley House RC Convent School, FCJ
- 900mIsleworth and Syon School for Boys
- 900mThe Green School for Girls
More reading links
Public Transport Nearby
- 200mIsleworth
- 1.2kmSyon Lane
- 1.4kmOsterley
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.
