21, Kneller Gardens, Isleworth occupies a 237 m² plot as recorded by HM Land Registry.

All 33 other houses in this postcode have recorded plot sizes, and this one ranks as the 25th largest.

21, Kneller Gardens, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Nov 2025.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

Land Registry records and our Estate Agent network show 294 sales of comparable properties within 560 metres of 21, Kneller Gardens, Isleworth since 2018.

Most recently, 74, Kneller Gardens, Isleworth, TW7 7NW, a freehold house, sold at £520,000 on the 23rd March 2026.

Read more about house prices in TW7.

• Sold Mar 2026£520,000 | 3 Bed House74, Kneller Gardens, Isleworth, TW7 7NW74, Kneller Gardens, Isleworth, TW7 7NW
• Sold Jan 2026£640,000 | 3 Bed House242, Whitton Dene, Isleworth, TW7 7LU242, Whitton Dene, Isleworth, TW7 7LU
• Sold Nov 2025£655,000 | 3 Bed House19, Old Manor Drive, Isleworth, TW7 7NN19, Old Manor Drive, Isleworth, TW7 7NN
• Sold Oct 2025£520,000 | 3 Bed House191, Whitton Dene, Isleworth, TW7 7NJ191, Whitton Dene, Isleworth, TW7 7NJ
• Sold May 2025£540,000 | 3 Bed House135, Hall Road, Isleworth, TW7 7PD135, Hall Road, Isleworth, TW7 7PD
• Sold Aug 2024£555,100 | 3 Bed House241, Whitton Dene, Isleworth, TW7 7NJ241, Whitton Dene, Isleworth, TW7 7NJ
• Sold May 2024£480,000 | 3 Bed House337, Whitton Dene, Isleworth, TW7 7NE337, Whitton Dene, Isleworth, TW7 7NE
• Sold May 2024£507,500 | 3 Bed House8, Kneller Gardens, Isleworth, TW7 7NW8, Kneller Gardens, Isleworth, TW7 7NW
• Sold Feb 2024£625,750 | 3 Bed House45, Kneller Gardens, Isleworth, TW7 7NP45, Kneller Gardens, Isleworth, TW7 7NP
• Sold Dec 2023£595,000 | 3 Bed House43, Kneller Gardens, Isleworth, TW7 7NP43, Kneller Gardens, Isleworth, TW7 7NP
• Sold Jun 2023£550,000 | 3 Bed House86, Kneller Gardens, Isleworth, TW7 7NW86, Kneller Gardens, Isleworth, TW7 7NW
• Sold Nov 2022£570,000 | 3 Bed House339, Whitton Dene, Isleworth, TW7 7NE339, Whitton Dene, Isleworth, TW7 7NE
• Sold Sep 2022£560,000 | 3 Bed House349, Whitton Dene, Isleworth, TW7 7NE349, Whitton Dene, Isleworth, TW7 7NE
• Sold Jun 2021£590,000 | 3 Bed House200, Whitton Dene, Isleworth, TW7 7LU200, Whitton Dene, Isleworth, TW7 7LU
• Sold Jun 2021£555,000 | 3 Bed House76, Kneller Gardens, Isleworth, TW7 7NW76, Kneller Gardens, Isleworth, TW7 7NW
• Sold Apr 2021£510,000 | 3 Bed House78, Kneller Gardens, Isleworth, TW7 7NW78, Kneller Gardens, Isleworth, TW7 7NW
• Sold Feb 2021£485,000 | 3 Bed House313, Whitton Dene, Isleworth, TW7 7NE313, Whitton Dene, Isleworth, TW7 7NE
• Sold Jan 2021£570,000 | 3 Bed House233, Whitton Dene, Isleworth, TW7 7NJ233, Whitton Dene, Isleworth, TW7 7NJ
• Sold Dec 2019£470,000 | 3 Bed House15, Kneller Gardens, Isleworth, TW7 7NP15, Kneller Gardens, Isleworth, TW7 7NP
• Sold Aug 2018£550,000 | 3 Bed House72, Kneller Gardens, Isleworth, TW7 7NW72, Kneller Gardens, Isleworth, TW7 7NW

Our analysis of the public data ranks 21, Kneller Gardens, Isleworth as the 67th largest and the 57th most expensive of the 103 addresses on Kneller Gardens, Isleworth, TW7.

Against the TW7 postcode district average, it is £51k more expensive than the typical property.

• Chase Bridge Primary School

  500 m away
• Chatsworth Primary School

  900 m away
• St Edmund's Catholic Primary School

  900 m away

• The Richmond upon Thames School

  900 m away
• Turing House School

  1.5 km away
• St Richard Reynolds Catholic High School

  1.5 km away

• Hounslow

  |

  1.0 km away
• Whitton (London)

  |

  1.0 km away
• Twickenham

  |

  1.6 km away

Environment Agency data suggests this area has a Very Low risk of flooding.