11 Cranmore Avenue, Isleworth, TW7 4QW

This site has had 4 applications since 2019: 4 approved, 0 refused.

• P/2026/1513 Granted

  11 Cranmore Avenue, Isleworth, TW7 4QW

  Erection of rear roof extension and a hip to gable conversion with a Juliet balcony and two front roof windows, and a two storey side, part first floor and single storey rear extension with a front porch to the house.

  Decided 28 Jul 2026 Householder
• PA/2026/0672 Granted

  11 Cranmore Avenue, Isleworth, TW7 4QW

  Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.95 metres high to the eaves.

  Decided 27 Mar 2026 Prior approval
• PA/2019/3920 Granted

  11 CRANMORE AVENUE, ISLEWORTH, TW7 4QW

  Ground floor rear extension 6 metres deep, maximum height 3.6 metres, 2.9 metres high to the eaves

  Decided 27 Nov 2019 Prior approval

1. 9 Mar 2026

   Received by Hounslow

2. 14 Apr 2026

   Decision issued: GRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 14 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 11 CRANMORE AVENUE, ISLEWORTH, TW7 4QW

  PA/2019/3920 Submitted 28 Oct 2019 0m away

  Ground floor rear extension 6 metres deep, maximum height 3.6 metres, 2.9 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 11 Cranmore Avenue, Isleworth, TW7 4QW

  PA/2026/0672 Submitted 26 Feb 2026 0m away

  Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.95 metres high to the eaves.

  Granted Prior approval Extension 9 docs

• 11 Cranmore Avenue, Isleworth, TW7 4QW

  P/2026/1513 Submitted 20 May 2026 0m away

  Erection of rear roof extension and a hip to gable conversion with a Juliet balcony and two front roof windows, and a two storey side, part first floor and single storey rear extension with a front porch to the house.

  Granted Householder Extension Loft or dormer +1 12 docs
  Small domestic

• 2A CRANMORE AVENUE, ISLEWORTH, TW7 4QW

  P/2021/3333 Submitted 17 Aug 2021 51m away

  T1 - Sycamore: Fell tree to ground level

  Granted Trees 3 docs

• 18 Cranmore Avenue, Isleworth, TW7 4QW

  PA/2024/3490 Submitted 19 Oct 2024 59m away

  Ground floor rear extension 6.00 metres deep, maximum height 2.90 metres, 2.90 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 18 Cranmore Avenue,Isleworth,W7 4QW

  P/2024/3651 Submitted 4 Nov 2024 59m away

  Erection of a single storey and part two storey rear extension, first floor side extension, hip to gable extension and erection of a rear roof extension with two front roof windows to the house. Erection of single storey detached out building in the rear garden.

  Refused Householder Extension Loft or dormer +1 17 docs
  Small domestic

• P/2026/2033 Granted

  3 Benedict Drive, Feltham, TW14 8JH

  Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion with windows to the front and side of the house.

  8 Jul 2026 Lawful development
• P/2026/2027 Granted

  115 Northumberland Crescent, Feltham, TW14 9SP

  Certificate of lawfulness for the proposed erection of a rear roof extension and windows to the front of the house.

  8 Jul 2026 Lawful development
• P/2026/2009 Granted

  3 Brainton Avenue, Feltham, TW14 0AZ

  Certificate of lawfulness for the proposed erection of a rear roof extension and Juliette balcony with front roof windows to the house.

  7 Jul 2026 Lawful development
• P/2026/2014 Granted

  82 Sussex Avenue, Isleworth, TW7 6LB

  Certificate of lawfulness for the proposed erection of a rear roof extension, a porch to the front of the house, and a front roof window.

  7 Jul 2026 Lawful development
• P/2026/2473 Awaiting decision

  16 Somerset Waye, Hounslow, TW5 9HG

  Certificate of lawfulness for the proposed erection of a rear roof extension with two roof windows to the front and alterations to the existing side roof from flat roof to pitched roof.

  1 Sep 2026 Lawful development