43 Dawes Avenue, Isleworth, TW7 7JS

This site has had 5 applications since 2026: 4 approved, 0 refused.

• P/2026/2332 Granted

  43 Dawes Avenue, Isleworth, TW7 7JS

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

  Decided 10 Sep 2026 Lawful development
• P/2026/1983 Withdrawn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/2026/0649 Granted

  43 Dawes Avenue, Isleworth, TW7 7JS

  Erection of single storey rear extension to the house

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

  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. 22 May 2026

   Received by Hounslow

2. 1 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 30 Jun 2026

   Decision issued: APPROVED

4. 26 Jul 2026

   Added to PlanIndex

Hounslow granted permission on 30 June 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 43 Dawes Avenue, Isleworth, TW7 7JS

  P/2026/1983 Submitted 3 Jul 2026 0m 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  Withdrawn Householder Extension Loft or dormer 7 docs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 0m away

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

  Granted Prior approval Extension 8 docs

• 43 Dawes Avenue, Isleworth, TW7 7JS

  P/2026/2332 Submitted 12 Aug 2026 0m away

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

  Granted Lawful development Extension Loft or dormer 6 docs

• 43 Dawes Avenue, Isleworth, TW7 7JS

  P/2026/0649 Submitted 24 Feb 2026 0m 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 9m 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 74m 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/2026/2623 Awaiting decision

  8 Lonsdale Road,Chiswick,W4 1ND

  Installation of external condenser at first floor level.

  15 Sep 2026 Householder
• P/2026/2125 Granted

  36 Midsummer Avenue, Hounslow, TW4 5BB

  Erection of a single storey rear extension and a single storey side extension following the demolition of the existing side garage.

  21 Jul 2026 Householder
• P/2026/2615 Awaiting decision

  48 Meadow Waye, Hounslow, TW5 9EZ

  Erection of a part first floor rear extension.

  14 Sep 2026 Householder
• P/2026/2619 Awaiting decision

  12 Letchworth Avenue, Feltham, TW14 9RY

  Erection of a single storey rear extension.

  14 Sep 2026 Householder
• P/2026/2600 Awaiting decision

  310 Lionel Road North, Brentford, TW8 9QX

  Erection of a rear roof extension.

  14 Sep 2026 Householder