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 76m away

  100% historically approved · decision due ~25 Sep

  Certificate of lawfulness existing for the continued use as a flat

  Awaiting decision Lawful development 3 docs

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

  P/2025/3630 Submitted 5 Dec 2025 76m 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 76m 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 78m 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 85m 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 85m 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/2026/2033 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