41 College Road, Isleworth, TW7 5DL

1. 4 Nov 2025

   Received by Hounslow

2. 24 Dec 2025

   Decision issued: GRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 24 December 2025, 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.

• 39 COLLEGE ROAD, ISLEWORTH, TW7 5DL

  P/2021/2458 Submitted 17 Jun 2021 50 yards away

  Certificate of Lawfulness for the proposed erection of a single storey rear infill extension to single family dwelling

  Granted Lawful development Extension 12 docs
  Small domestic

• 45 College Road, Isleworth, TW7 5DL

  P/2026/0019 Submitted 6 Jan 2026 50 yards away

  Erection of a single storey rear extension to the house, with the existing detached garage incorporated and converted to form a bedroom, replacement of garage door with a window.

  Granted Householder Extension Windows or glazing 13 docs
  Small domestic

• 28 COLLEGE ROAD, ISLEWORTH, TW7 5DW

  P/2021/1962 Submitted 18 May 2021 50 yards away

  Erection of a single storey rear extension and a side roof dormer with a front and sde roof window to the house

  Refused Householder Extension Loft or dormer +1 20 docs
  Small domestic

• 42 College Road, Isleworth, TW7 5DW

  P/2026/2456 Submitted 27 Aug 2026 50 yards away

  100% historically approved · decision due ~22 Oct

  Certificate of lawfulness for the proposed erection of a single storey rear extension.

  Awaiting decision Lawful development Extension 8 docs
  Small domestic

• 42 College Road, Isleworth, TW7 5DW

  P/2026/0773 Submitted 6 Mar 2026 50 yards away

  Erection of a single storey rear and side infill extension to the house

  Granted Householder Extension 12 docs
  Small domestic

• 42 COLLEGE ROAD, ISLEWORTH, TW7 5DW

  P/2021/2330 Submitted 9 Jun 2021 50 yards away

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

  Granted Householder Extension Windows or glazing 10 docs
  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