39 Durham Avenue, Hounslow, TW5 0HG

1. 24 Feb 2026

   Received by Hounslow

2. 22 Apr 2026

   Decision issued: GRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 22 April 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.

• 27 DURHAM AVENUE, HOUNSLOW, TW5 0HG

  PA/2021/3035 Submitted 26 Jul 2021 42m away

  Ground floor rear extension 6 metres deep, maximum height of 3 metres, 3 metres high to the eaves

  Granted Prior approval Extension 9 docs

• 27 DURHAM AVENUE, HOUNSLOW, TW5 0HG

  P/2021/3015 Submitted 26 Jul 2021 42m away

  Certificate of Lawfulness for the proposed erection of a rear roof extension incorporating hip to gable conversion, two front roof windows and one second floor window to the side of the house

  Granted Lawful development Extension Loft or dormer +1 9 docs

• 125 Fern Lane, Hounslow, TW5 0HH

  P/2025/2760 Submitted 12 Sep 2025 120m away

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

  Granted Householder Extension 13 docs
  Small domestic

• 92 Fern Lane, Hounslow, TW5 0HJ

  P/2024/3496 Submitted 21 Oct 2024 126m away

  Certificate of lawfulness for the erection of front porch, single storey side extension to the house and erection of a single storey detached outbuilding in the rear garden.

  Granted Lawful development Extension 5 docs
  Small domestic

• 92 Fern Lane, Hounslow, TW5 0HJ

  PA/2024/3495 Submitted 21 Oct 2024 126m away

  Ground floor rear extension 6.00 metres deep, maximum height 3.40 metres, 3.00 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 106 FERN LANE, HOUNSLOW, TW5 0HJ

  P/2023/0446 Submitted 13 Feb 2023 136m away

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

  Refused Householder Extension 12 docs
  Domestic

• P/2026/2033 Granted

  3 Benedict Drive, Feltham, TW14 8JH

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

  8 Jul 2026 Lawful development
• P/2026/2027 Granted

  115 Northumberland Crescent, Feltham, TW14 9SP

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

  8 Jul 2026 Lawful development
• P/2026/2009 Granted

  3 Brainton Avenue, Feltham, TW14 0AZ

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

  7 Jul 2026 Lawful development
• P/2026/2014 Granted

  82 Sussex Avenue, Isleworth, TW7 6LB

  Certificate of lawfulness for the proposed erection of a rear roof extension, a porch to the front of the house, and a front roof window.

  7 Jul 2026 Lawful development
• P/2026/2473 Awaiting decision

  16 Somerset Waye, Hounslow, TW5 9HG

  Certificate of lawfulness for the proposed erection of a rear roof extension with two roof windows to the front and alterations to the existing side roof from flat roof to pitched roof.

  1 Sep 2026 Lawful development