43 Dawes Avenue, Isleworth, TW7 7JS

This site has had 5 applications since 2026: 3 approved, 1 refused.

• P/2026/1983 Withdrawn

  43 Dawes Avenue, Isleworth, TW7 7JS

  GS853573342 - Erection of a hip to gable and rear roof extension with minor ridge increase to the house

  Submitted 3 Jul 2026 Householder
• P/2026/1545 Granted

  43 Dawes Avenue, Isleworth, TW7 7JS

  Erection of a single storey rear extension.

  Decided 30 Jun 2026 Householder
• P/2026/0649 Granted

  43 Dawes Avenue, Isleworth, TW7 7JS

  Erection of single storey rear extension to the house

  Decided 29 Apr 2026 Householder
• PA/2026/0348 Refused

  43 Dawes Avenue, Isleworth, TW7 7JS

  Ground floor rear extension 4.80 metres deep, maximum height of 2.80 metres, 2.67 metres high to the eaves

  Decided 27 Feb 2026 Prior approval

1. 12 Aug 2026

   Received by Hounslow

2. 16 Aug 2026

   Added to PlanIndex

3. 10 Sep 2026

   Decision issued: GRANT

Hounslow granted permission on 10 September 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.

• 43 Dawes Avenue, Isleworth, TW7 7JS

  P/2026/1983 Submitted 3 Jul 2026 50 yards away

  GS853573342 - Erection of a hip to gable and rear roof extension with minor ridge increase to the house

  Withdrawn Householder Extension Loft or dormer 7 docs
  Domestic

• 43 Dawes Avenue, Isleworth, TW7 7JS

  PA/2026/0348 Submitted 4 Feb 2026 50 yards away

  Ground floor rear extension 4.80 metres deep, maximum height of 2.80 metres, 2.67 metres high to the eaves

  Refused Prior approval Extension 8 docs

• 43 Dawes Avenue, Isleworth, TW7 7JS

  P/2026/1545 Submitted 22 May 2026 50 yards away

  Erection of a single storey rear extension.

  Granted Householder Extension 10 docs
  Small domestic

• 43 Dawes Avenue, Isleworth, TW7 7JS

  P/2026/0649 Submitted 24 Feb 2026 50 yards away

  Erection of single storey rear extension to the house

  Granted Householder Extension 15 docs
  Small domestic

• 41 DAWES AVENUE, ISLEWORTH, TW7 7JS

  P/2021/2533 Submitted 21 Jun 2021 50 yards away

  Erection of a single storey rear extension and a front porch.

  Granted Householder Extension 10 docs
  Small domestic

• 40 WOODSTOCK AVENUE, ISLEWORTH, TW7 7JE

  P/2023/0324 Submitted 1 Feb 2023 100 yards away

  Erection of a single storey rear extension with part first floor rear extension and rear roof extension to the house.

  Refused Householder Extension 22 docs
  Small domestic

• P/2026/2813 Awaiting decision

  150 Wood Lane, Isleworth, TW7 5EQ

  (GSGS877009741) Certificate of lawfulness proposed for the erection of a single storey outbuilding to be used as a home gym / playroom / shed in the rear garden of the house

  Received 5 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2334 Granted

  69 Central Avenue, Hounslow, TW3 2QW

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

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2459 Granted

  2 Letchworth Avenue, Feltham, TW14 9RY

  Certificate of Lawfulness for the proposed hip to gable roof conversion, installation of two front roof windows, and erection of a rear roof extension to the existing house.

  Received 28 Aug, published by the council 5 Sep 2026 Lawful development
• P/2026/2787 Awaiting decision

  13 Denbigh Road, Hounslow, TW3 4DU

  Certificate of Lawfulness for the proposed erection of a detached outbuilding in the rear garden.

  Received 1 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2790 Awaiting decision

  14 Old Farm Close, Hounslow, TW4 7AB

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

  Received 1 Oct, published by the council 6 Oct 2026 Lawful development