4a Stile Hall Parade, Chiswick High Road, Chiswick, London, W4 3AG

1. 12 Jan 2026

   Received by Hounslow

2. 21 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 6 Mar 2026

   Decision issued: GRANT

4. 12 Aug 2026

   Added to PlanIndex

Hounslow granted permission on 6 March 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.

• 563C Chiswick High Road, Chiswick, London, W4 3AY

  P/2026/2234 Submitted 31 Jul 2026 100 yards away

  Certificate of lawfulness existing for the continued use as a flat

  Granted Lawful development 5 docs

• 563A Chiswick High Road, Chiswick, London, W4 3AY

  P/2025/3630 Submitted 5 Dec 2025 100 yards away

  Certificate of lawfulness existing for the continued use as a flat

  Granted Lawful development 5 docs

• 563B Chiswick High Road, Chiswick, London, W4 3AY

  P/2026/0709 Submitted 2 Mar 2026 100 yards away

  Certificate of lawfulness existing for the continued use as a self contained flat

  Granted Lawful development 6 docs

• 136 Wellesley Road, Chiswick, London, W4 3AP

  P/2024/2316 Submitted 10 Jul 2024 100 yards away

  Erection of a rear and side wrap around roof extensions to the house.

  Refused Householder Extension 9 docs
  Domestic

• 559 Chiswick High Road, Chiswick, London, W4 3AY

  P/2026/0165 Submitted 19 Jan 2026 100 yards away

  Certificate of lawfulness for the proposed use of the premises as a booking office for private hire vehicles

  Granted Lawful development 6 docs

• 559 Chiswick High Road, Chiswick, London, W4 3AY

  P/2026/1562 Submitted 26 May 2026 100 yards away

  Change of use from a commercial premises (Class E) to a private hire administrative office (Sui Generis) operating on a pre-booked telephone and app-based basis only.

  Granted Full applications 11 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