Our Data Sources
21, Deborah Close, Isleworth has 41 entries in the Land Registry, most recently in August 2011 and a single entry in the EPC database dated August 2010.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium 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 21, Deborah Close, Isleworth is in very good condition we estimate a sale value of £521,842 and a rental value of £2,276 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £462,203 and a rental value of £2,016 per month.
Plot Size
According to data from HM Land Registry, 21, Deborah Close, Isleworth sits on a plot of 137 m2.
We have plot size data on 5 out of 6 other houses in the postcode and 21, Deborah Close, Isleworth sits on the 2nd largest plot.
Energy Efficiency
21, Deborah Close, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Aug 2010.
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, 21, Deborah Close, Isleworth was last sold on 26th August 2011 for £310,000 and was recorded as a freehold house.
The property has had 4 sales since 1995.
Since August 2011, the market for similar properties has risen by 71.9%.
- Sold Aug 2011£310,000
- Sold Jun 2003£230,000
- Sold Apr 2000£172,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 36 sales of properties similar to 21, Deborah Close, Isleworth within a radius of 510 metres since 2010.
The most recent example is 20, St. Christophers Close, Isleworth, TW7 4NP, a freehold house which sold for £522,500 on the 6th February 2026.
Read more about house prices in TW7.
- Sold Feb 2026£522,500 | 3 Bed House20, St. Christophers Close, Isleworth, TW7 4NP20, St. Christophers Close, Isleworth, TW7 4NP
- Sold Jan 2026£527,500 | 3 Bed House21, St. Christophers Close, Isleworth, TW7 4NP21, St. Christophers Close, Isleworth, TW7 4NP
- Sold Dec 2024£540,000 | 3 Bed House16, Oakley Close, Isleworth, TW7 4HZ16, Oakley Close, Isleworth, TW7 4HZ
- Sold Aug 2024£450,000 | 3 Bed House7, Fairways, Isleworth, TW7 4NS7, Fairways, Isleworth, TW7 4NS
- Sold Mar 2023£535,000 | 3 Bed House24, Deborah Close, Isleworth, TW7 4NY24, Deborah Close, Isleworth, TW7 4NY
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 £389,989, ranging from £323,369 to £518,745.
- 22 Deborah Close
3 Bed House | 4 m | Est. Value: £507,969
- 23 Deborah Close
3 Bed House | 10 m | Est. Value: £507,969
- 24 Deborah Close
3 Bed House | 14 m | Est. Value: £515,175
- 25 Deborah Close
3 Bed House | 19 m | Est. Value: £507,969
- 26 Deborah Close
3 Bed House | 26 m | Est. Value: £518,745
Location Comparison
Deborah Close, Isleworth, TW7 has a total of 26 addresses. According to our analysis of all the public data, 21, Deborah Close, Isleworth is the 7th largest and the 6th most expensive property on the street.
When compared to the postcode district it is £10k less expensive than the average property in TW7.
More reading links
Schools Nearby
- Spring Grove Primary School700 m away
- Marlborough Primary School1.1 km away
- The Smallberry Green Primary School1.2 km away
- Isleworth and Syon School for Boys200 m away
- The Green School for Girls1.3 km away
- Bolder Academy1.3 km away
More reading links
Public Transport Nearby
- Osterley|600 m away
- Isleworth|700 m away
- Hounslow East|1.2 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast 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.












