Our Data Sources
20, Harlequin Close, Isleworth has no recent1 records in the Land Registry and a single entry in the EPC database dated June 2025.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 20, Harlequin Close, Isleworth is in very good condition we estimate a sale value of £541,501 and a rental value of £2,579 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £479,615 and a rental value of £2,284 per month.
Plot Size
According to data from HM Land Registry, 20, Harlequin Close, Isleworth sits on a plot of 148 m2.
We have plot size data on 17 out of 33 other houses in the postcode and 20, Harlequin Close, Isleworth sits on the 10th largest plot.
Energy Efficiency
20, Harlequin Close, Isleworth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Jun 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 20, Harlequin Close, Isleworth was last sold on 12th December 2002 for £210,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
- Sold Dec 2002£210,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 185 sales of properties similar to 20, Harlequin Close, Isleworth within a radius of 640 metres since 2014.
The most recent example is 21, Harlequin Close, Isleworth, TW7 7LA, a freehold house which sold for £525,000 on the 15th May 2026.
Read more about house prices in TW7.
- Sold May 2026£525,000 | 3 Bed House21, Harlequin Close, Isleworth, TW7 7LA21, Harlequin Close, Isleworth, TW7 7LA
- Sold Jan 2026£760,000 | 3 Bed House47, Arnold Crescent, Isleworth, TW7 7NS47, Arnold Crescent, Isleworth, TW7 7NS
- Sold Jan 2026£572,500 | 3 Bed House72, Arnold Crescent, Isleworth, TW7 7NU72, Arnold Crescent, Isleworth, TW7 7NU
- Sold Aug 2025£515,000 | 3 Bed House5, Queensbridge Park, Isleworth, TW7 7LY5, Queensbridge Park, Isleworth, TW7 7LY
- Sold Mar 2025£495,000 | 3 Bed House2, Harlequin Close, Isleworth, TW7 7LA2, Harlequin Close, Isleworth, TW7 7LA
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £529,119, ranging from £473,484 to £640,844.
- 21 Harlequin Close
3 Bed House | 9 m | Est. Value: £519,593
- 19 Harlequin Close
3 Bed House | 9 m | Est. Value: £512,632
- 18 Harlequin Close
3 Bed House | 17 m | Est. Value: £531,403
- 17 Harlequin Close
4 Bed House | 25 m | Est. Value: £640,844
- 16 Harlequin Close
3 Bed House | 33 m | Est. Value: £541,337
Location Comparison
Harlequin Close, Isleworth, TW7 has a total of 33 addresses. According to our analysis of all the public data, 20, Harlequin Close, Isleworth is the 22nd largest and the 13th most expensive property on the street.
When compared to the postcode district it is £2k less expensive than the average property in TW7.
More reading links
Schools Nearby
- Chase Bridge Primary School500 m away
- Ivybridge Primary School800 m away
- Chatsworth Primary School1.0 km away
- The Richmond upon Thames School800 m away
- St Richard Reynolds Catholic High School1.4 km away
- Gumley House RC Convent School, FCJ1.5 km away
More reading links
Public Transport Nearby
- Hounslow|1.3 km away
- Twickenham|1.4 km away
- Whitton (London)|1.4 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 available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.





