Our Data Sources
4, Northumberland Gardens, Isleworth has no recent1 records in the the Land Registry and a single entry in the EPC database dated August 2016.
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
In very good condition, we estimate 4, Northumberland Gardens, Isleworth would be worth £368,811, with a potential rental value of £1,755 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £326,662, with a rental value of £1,554 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
4, Northumberland Gardens, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Aug 2016.
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, Northumberland Gardens, Isleworth last changed hands on 17th February 2006, selling for £192,000. The transaction was logged as a leasehold flat by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Feb 2006£192,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 187 sales of comparable properties within 560 metres of 4, Northumberland Gardens, Isleworth across the last 2 years.
Most recently, 9, Hexham Gardens, Isleworth, TW7 5JR, a leasehold flat, sold at £364,000 on the 12th December 2025.
Read more about house prices in TW7.
- Sold Dec 2025£364,000 | 2 Bed Flat9, Hexham Gardens, Isleworth, TW7 5JR9, Hexham Gardens, Isleworth, TW7 5JR
- Sold Jun 2023£421,000 | 2 Bed Flat32, Hexham Gardens, Isleworth, TW7 5JR32, Hexham Gardens, Isleworth, TW7 5JR
- Sold Aug 2022£265,000 | 2 Bed Flat3, Northumberland Gardens, Isleworth, TW7 5NT3, Northumberland Gardens, Isleworth, TW7 5NT
•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, Northumberland Gardens, Isleworth as the 5th largest and the 5th most expensive of the 20 addresses on Northumberland Gardens, Isleworth, TW7.
Against the TW7 postcode district average, it is £155k less expensive than the typical property.
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Schools Nearby
- Marlborough Primary School400 m away
- The Smallberry Green Primary School800 m away
- Isleworth Town Primary School1.0 km away
- The Green School for Girls400 m away
- The Green School for Boys600 m away
- Bolder Academy700 m away
More reading links
Public Transport Nearby
- Syon Lane|100 m away
- Isleworth|1.1 km away
- Brentford|1.3 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












