83 Worple Road, Isleworth, TW7 7AS

1. 9 Mar 2026

   Received by Hounslow

2. 18 May 2026

   Decision issued: LAWFNOTGRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 18 May 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.

• 31 Brantwood Avenue, Isleworth, TW7 7EX

  P/2024/3662 Submitted 4 Nov 2024 50 yards away

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

  Granted Lawful development Extension Windows or glazing 11 docs

• 36 WORPLE ROAD, ISLEWORTH, TW7 7AR

  P/2021/3373 Submitted 18 Aug 2021 50 yards away

  Erection of a rear roof extension and outrigger extension with two front roof windows.

  Refused Householder Extension Windows or glazing 16 docs
  Domestic

• 36 WORPLE ROAD, ISLEWORTH, TW7 7AR

  P/2021/2578 Submitted 24 Jun 2021 50 yards away

  Erection of side dormer roof extension including one front roof window in the front roof slope and a rear outrigger extension

  Refused Householder Extension Loft or dormer +1 17 docs
  Domestic

• 93 WORPLE ROAD, ISLEWORTH, TW7 7AS

  P/2021/2485 Submitted 18 Jun 2021 50 yards away

  Certificate of Lawfulness for the proposed construction of Garden Room for use as a study and storage room to the house

  Granted Lawful development 5 docs

• 93 WORPLE ROAD, ISLEWORTH, TW7 7AS

  PA/2021/2526 Submitted 18 Jun 2021 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.60 metres, 2.95 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 28 Brantwood Avenue, Isleworth, TW7 7EX

  P/2025/3651 Submitted 8 Dec 2025 50 yards away

  Erection of a single storey side extension to the house.

  Granted Householder Extension 8 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