36 Rosemary Avenue, Hounslow, TW4 7JF

1. 6 Nov 2024

   Received by Hounslow

2. 16 Dec 2024

   Decision issued: GRANT

3. 26 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 16 December 2024, 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.

• 28 Rosemary Avenue, Hounslow, TW4 7JF

  P/2026/1391 Submitted 7 May 2026 50 yards away

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

  Granted Lawful development Extension Loft or dormer +1 11 docs

• 21A Rosemary Avenue, Hounslow, TW4 7JQ

  P/2025/2802 Submitted 18 Sep 2025 50 yards away

  Erection of a first floor side extension with hipped roof to the flat with alterations including relocation of the front door

  Granted Full applications Extension 7 docs

• 72 Rosemary Avenue, Hounslow, TW4 7JG

  P/2025/2595 Submitted 26 Aug 2025 150 yards away

  Erection of single storey detached outbuilding to use as a gym, store and play room in the garden.

  Granted Householder 9 docs
  Small domestic

• 290B Bath Road, Hounslow, TW4 7DN

  P/2025/3458 Submitted 17 Nov 2025 150 yards away

  Certificate of lawfulness existing for the erection of a first floor rear extension to create one self-contained flat

  Granted Lawful development Extension 7 docs

• 290 bath road,hounslow,TW4 7DN

  P/2026/1594 Submitted 28 May 2026 150 yards away

  Erection of a freestanding internally illuminated digital advertising sign and removal of existing freestanding advertising sign.

  Granted Advertising 8 docs

• 294 Bath Road, Hounslow, TW4 7DN

  P/2026/1910 Submitted 26 Jun 2026 150 yards away

  Installation of a non-illuminated advertisement signboard on a hoarding to the front of the premises.

  Granted Advertising 6 docs

• 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