Our Data Sources
4, Sidmouth Avenue, Isleworth has 21 entries in the Land Registry , most recently in May 2014 and a single entry in the EPC database dated November 2019.
We combine this information with that 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
In very good condition, we estimate 4, Sidmouth Avenue, Isleworth would be worth £599,847, with a potential rental value of £2,471 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £531,293, with a rental value of £2,188 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
4, Sidmouth Avenue, Isleworth occupies a 237 m2 plot as recorded by HM Land Registry.
All 35 other houses in this postcode have recorded plot sizes, and this one ranks as the 32nd largest.
Energy Efficiency
4, Sidmouth Avenue, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Nov 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
4, Sidmouth Avenue, Isleworth last changed hands on 2nd May 2014, selling for £405,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 31.9% since May 2014.
- Sold May 2014£405,000
- Sold Jan 2001£171,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 109 sales of comparable properties within 410 metres of 4, Sidmouth Avenue, Isleworth across the last 2 years.
Most recently, 4, Crawford Close, Isleworth, TW7 4DP, a freehold house, sold at £515,000 on the 18th July 2025.
Read more about house prices in TW7.
- Sold Jul 2025£515,000 | 3 Bed House4, Crawford Close, Isleworth, TW7 4DP4, Crawford Close, Isleworth, TW7 4DP
- Sold Jun 2024£575,000 | 3 Bed House5, Sidmouth Avenue, Isleworth, TW7 4DW5, Sidmouth Avenue, Isleworth, TW7 4DW
- Sold Feb 2024£555,000 | 3 Bed House27, Sidmouth Avenue, Isleworth, TW7 4DW27, Sidmouth Avenue, Isleworth, TW7 4DW
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 4, Sidmouth Avenue, Isleworth as the 52nd largest and the 54th most expensive of the 113 addresses on Sidmouth Avenue, Isleworth, TW7.
Against the TW7 postcode district average, it is £65k more expensive than the typical property.
More reading links
Schools Nearby
- Spring Grove Primary School500 m away
- Isleworth Town Primary School800 m away
- The Smallberry Green Primary School900 m away
- Isleworth and Syon School for Boys800 m away
- Gumley House RC Convent School, FCJ900 m away
- The Green School for Girls1.3 km away
More reading links
Public Transport Nearby
- Isleworth|300 m away
- Osterley|1.1 km away
- Hounslow East|1.1 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.
