Our Data Sources
55, Castle Road, Isleworth has 31 entries in the Land Registry , most recently in March 2026 and a single entry in the EPC database dated June 2025.
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
In very good condition, we estimate 55, Castle Road, Isleworth would be worth £741,545, with a potential rental value of £2,867 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £656,797, with a rental value of £2,539 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
55, Castle Road, Isleworth occupies a 110 m2 plot as recorded by HM Land Registry.
Of the 44 other houses in this postcode, 42 have recorded plot sizes, and this one ranks as the 25th largest.
Energy Efficiency
55, Castle Road, Isleworth has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 11 Jun 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
55, Castle Road, Isleworth last changed hands on 11th March 2026, selling for £715,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has dropped by 0.1% since March 2026.
- Sold Mar 2026£715,000
- Sold Aug 2006£322,350
- Sold Jan 2003£250,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 101 sales of comparable properties within 370 metres of 55, Castle Road, Isleworth across the last 2 years.
Most recently, 38, Castle Road, Isleworth, TW7 6QS, a freehold house, sold at £647,500 on the 22nd April 2024.
Read more about house prices in TW7.
- Sold Apr 2024£647,500 | 4 Bed House38, Castle Road, Isleworth, TW7 6QS38, Castle Road, Isleworth, TW7 6QS
- Sold Oct 2023£650,000 | 4 Bed House31, Castle Road, Isleworth, TW7 6QR31, Castle Road, Isleworth, TW7 6QR
- Sold Oct 2022£747,500 | 4 Bed House9, Newton Road, Isleworth, TW7 6QD9, Newton Road, Isleworth, TW7 6QD
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 55, Castle Road, Isleworth as the 14th largest and the 12th most expensive of the 81 addresses on Castle Road, Isleworth, TW7.
Against the TW7 postcode district average, it is £200k more expensive than the typical property.
More reading links
Schools Nearby
- Isleworth Town Primary School400 m away
- The Smallberry Green Primary School600 m away
- St Mary's Catholic Primary School, Isleworth700 m away
- Gumley House RC Convent School, FCJ600 m away
- Isleworth and Syon School for Boys900 m away
- The Green School for Girls900 m away
More reading links
Public Transport Nearby
- Isleworth|200 m away
- Syon Lane|1.2 km away
- Osterley|1.4 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
