24 Fernside Avenue, Feltham, TW13 7BL

1. 22 May 2026

   Received by Hounslow

2. 26 Jul 2026

   Added to PlanIndex

3. 4 Aug 2026

   Decision issued: GRANT

Hounslow granted permission on 4 August 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.

• 14 Fernside Avenue, Feltham, TW13 7BL

  P/2026/1043 Submitted 30 Mar 2026 26m away

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

  Granted Lawful development Extension Windows or glazing 7 docs

• 29 Fernside Avenue, Feltham, TW13 7BJ

  P/2025/3482 Submitted 19 Nov 2025 40m away

  Erection of single storey rear extension to the house.

  Refused Householder Extension 23 docs
  Small domestic

• 29 Fernside Avenue, Feltham, TW13 7BJ

  P/2026/1030 Submitted 30 Mar 2026 40m away

  Erection of a single-storey rear extension to the house.

  Granted Householder Extension 17 docs
  Small domestic

• 8 FERNSIDE AVENUE, FELTHAM, TW13 7BL

  P/2023/0364 Submitted 6 Feb 2023 46m away

  Certificate of lawfulness for the erection of a rear roof extension with hip to gable.

  Granted Lawful development Extension Loft or dormer 7 docs

• 25 ELIZABETH WAY, FELTHAM, TW13 7PF

  P/2023/0386 Submitted 7 Feb 2023 78m away

  Erection of a rear roof extension with front, and installation of side and a rear roof window.

  Granted Householder Extension Windows or glazing 10 docs
  Domestic

• 25 Elizabeth Way, Feltham, TW13 7PF

  PA/2026/1464 Submitted 14 May 2026 78m away

  Ground floor rear extension 8.00 metres deep, maximum height of 3.00 metres, 3.00 metres high to the eaves

  Granted Prior approval Extension 7 docs

• P/2026/2118 Granted

  54 Amhurst Gardens, Isleworth, TW7 6AJ

  Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows.

  Received 20 Jul, published by the council 26 Jul 2026 Lawful development
• P/2026/2580 Awaiting decision

  50B Paxton Road, Chiswick, London, W4 2QX

  Certificate of lawfulness for the existing use of a first floor self contained flat.

  Received 10 Sep, published by the council 17 Sep 2026 Lawful development
• 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.

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2089 Granted

  18 Central Avenue, Hounslow, TW3 2QH

  Certificate of lawfulness for the existing use of the rear extension as a self contained flat.

  Received 17 Jul, published by the council 26 Jul 2026 Lawful development
• P/2026/2566 Awaiting decision

  109 Wood Lane, Isleworth, TW7 5EG

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

  Received 9 Sep, published by the council 17 Sep 2026 Lawful development