Our Data Sources
3, Northumberland Gardens, Isleworth has no recent1 records in the the Land Registry and a single entry in the EPC database dated March 2025.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 3, Northumberland Gardens, Isleworth is in very good condition we estimate a sale value of £372,548 and a rental value of £1,770 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £329,971 and a rental value of £1,568 per month.
Energy Efficiency
3, Northumberland Gardens, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Mar 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
According to HM Land Registry, 3, Northumberland Gardens, Isleworth was last sold on 18th January 2005 for £182,000 and was recorded as a leasehold flat.
The property has had 2 sales since 1995.
- Sold Jan 2005£182,000
- Sold Feb 2000£117,950
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 174 sales of properties similar to 3, Northumberland Gardens, Isleworth within a radius of 560 metres over the last 2 years.
The most recent example is 9, Hexham Gardens, Isleworth, TW7 5JR, a leasehold flat which sold for £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 Apr 2023£325,000 | 2 Bed Flat14, Northumberland Gardens, Isleworth, TW7 5NT14, Northumberland Gardens, Isleworth, TW7 5NT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Northumberland Gardens, Isleworth, TW7 has a total of 20 addresses. According to our analysis of all the public data, 3, Northumberland Gardens, Isleworth is the largest and the most expensive property on the street.
When compared to the postcode district it is £152k less expensive than the average property in TW7.
More reading links
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
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












