Our Data Sources
23, Castle Road, Isleworth has no records in the the Land Registry and a single entry in the EPC database dated December 2019.
We combine this information with public data 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 23, Castle Road, Isleworth would be worth £624,449, with a potential rental value of £2,455 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £553,083, with a rental value of £2,175 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
23, Castle Road, Isleworth occupies a 124 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 8th largest.
Energy Efficiency
23, Castle Road, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Dec 2019.
The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 197 sales of comparable properties within 370 metres of 23, Castle Road, Isleworth across the last 2 years.
Most recently, 71, Linkfield Road, Isleworth, TW7 6QP, a freehold house, sold at £450,000 on the 20th February 2026.
Read more about house prices in TW7.
- Sold Feb 2026£450,000 | 3 Bed House71, Linkfield Road, Isleworth, TW7 6QP71, Linkfield Road, Isleworth, TW7 6QP
- Sold Oct 2025£642,526 | 3 Bed House69, Linkfield Road, Isleworth, TW7 6QP69, Linkfield Road, Isleworth, TW7 6QP
- Sold Mar 2025£600,000 | 3 Bed House32, Grainger Road, Isleworth, TW7 6PQ32, Grainger Road, Isleworth, TW7 6PQ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 23, Castle Road, Isleworth as the 42nd largest and the 39th most expensive of the 81 addresses on Castle Road, Isleworth, TW7.
Against the TW7 postcode district average, it is £88k more expensive than the typical property.
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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.
