30 Winchester Avenue, Hounslow, TW5 0HA

1. 7 Jan 2026

   Received by Hounslow

2. 5 Feb 2026

   Decision issued: GRANT

3. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 5 February 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.

• 16 Winchester Avenue, Hounslow, TW5 0HA

  P/2024/4182 Submitted 10 Dec 2024 50 yards away

  Certificate of Lawfulness for the proposed hip-to-gable conversion and rear roof extension along with a side extension flat roof, side window on the proposed gable end and two front roof lights.

  Granted Lawful development Extension Loft or dormer +1 6 docs

• 16 Winchester Avenue, Hounslow, TW5 0HA

  P/2024/4183 Submitted 10 Dec 2024 50 yards away

  Certificate of Lawfulness for the proposed outbuilding in the rear garden.

  Granted Lawful development 5 docs

• 16 Winchester Avenue, Hounslow, TW5 0HA

  PA/2024/4181 Submitted 10 Dec 2024 50 yards away

  Ground floor rear extension 6.00 metres deep, maximum height of 3.40 metres, 2.90 metres high to the eaves

  Granted Prior approval Extension 6 docs

• 25 Eton Avenue, Hounslow, TW5 0HB

  P/2026/1659 Submitted 4 Jun 2026 50 yards away

  Variation of condition 2 (Approved plans) to increase set-back of single storey side extension, increase width of single storey side extension, and alterations in windows and roof lights following permission P/2025/2258 dated 22/09/2025 for Erection of a single storey side and rear extension with two roof lanterns following the demolition of the existing extension to the house.

  Granted Conditions Extension Loft or dormer +2 10 docs
  Small domestic

• 3 Eton Avenue, Hounslow, TW5 0HB

  P/2026/0733 Submitted 4 Mar 2026 50 yards away

  Change of use from a house (C3) into a residential care home (Use Class C2)

  Refused Full applications 11 docs

• 12 WINCHESTER AVENUE, HOUNSLOW, TW5 0HA

  P/2021/2076 Submitted 25 May 2021 100 yards away

  Certificate of Lawfulness for hip to gable and rear roof extension with two front roof windows.

  Granted Lawful development Extension Loft or dormer +1 7 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