Building 1 Chiswick Park, 566 Chiswick High Road, Chiswick, London, W4 5BE

1. 22 Sep 2026

   Received by Hounslow

2. 30 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 17 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hounslow took a median of 56 days over the applications it decided in the last year.

This application is with Hounslow for determination, against a statutory target of eight weeks. Over the last year Hounslow decided full applications in a median of 79 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Building 12, Chiswick Business Park, 566 Chiswick High Road, Chiswick, London, W4 5AN

  P/2025/3186 Submitted 22 Oct 2025 100 yards away

  Installation of a enclosed backup generator within the undercroft of the existing building.

  Granted Full applications 12 docs

• 566 Chiswick Park, Building 12,Chiswick High Road,Chiswick,London,Hounslow,W4 5AN

  P/2024/2530 Submitted 26 Jul 2024 100 yards away

  Installation of replacement mechanical plant with associated pipework and cabling to the four storey commercial building's flat roof.

  Granted Full applications 27 docs

• 578-586 CHISWICK HIGH ROAD, CHISWICK, W4 5RP

  P/2022/3853 Submitted 1 Dec 2022 100 yards away

  Retrospective application the installation of ten air conditioning condenser units to the flat roof of the existing office and retail (Class E) building with additional paving slabs and associated pipework.

  Granted Full applications 10 docs

• Building 1, Chiswick Business Park 566 Chiswick High Road W4 5AN

  263009CONS Submitted 4 Aug 2026 100 yards away

  Reconfiguration of the existing undercroft area to create end of trip facilities, including the conversion of five existing car parking spaces, associated internal alterations, and the removal of redundant plant rooms (Out of Borough Consultation from L.B Hounslow)

  Granted 2 docs

• Building 1,Chiswick Business Park,566 Chiswick High Road,W4 5AN

  P/2026/2237 Submitted 31 Jul 2026 100 yards away

  Reconfiguration of the existing undercroft area to create end of trip facilities, including the conversion of five existing car parking spaces, associated internal alterations, and the removal of redundant plant rooms.

  Granted Full applications 17 docs

• Building 1, Chiswick Business Park 566 Chiswick High Road W4 5AN

  263009CONS Submitted 4 Aug 2026 100 yards away

  Reconfiguration of the existing undercroft area to create end of trip facilities, including the conversion of five existing car parking spaces, associated internal alterations, and the removal of redundant plant rooms (Out of Borough Consultation from L.B Hounslow)

  Granted Outline 2 docs

• P/2026/1916 Granted

  Police Station, 34 Hanworth Road, Feltham, TW13 5BD

  Replacement of existing vehicular and pedestrian gate with associated new control pedestals, new fencing and posts.

  Received 29 Jun, published by the council 26 Jul 2026 Full applications
• P/2026/2212 Granted

  190 Jersey Road, Isleworth, TW7 4QN

  Change of use of the existing House in Multiple Occupation (Use Class C4) occupied by up to six persons to a large House in Multiple Occupation (Sui Generis) occupied by up to eight persons, with no internal changes.

  Received 29 Jul, published by the council 5 Aug 2026 Full applications
• P/2026/1676 Granted

  Clayponds Open Space, Clayponds Gardens, London, W5 4RQ

  Replacement of ball court (MUGA) to a football foundation play zone, installation of new fencing, lighting and associated equipment

  Received 4 Jun, published by the council 26 Jul 2026 Full applications
• P/2026/2806 Awaiting decision

  COST CHOICE, UNIT 5, HIGH STREET, BRENTFORD,TW8 8LB

  Installation of ATM machine to the shopfront..

  Received 30 Sep, published by the council 6 Oct 2026 Full applications
• P/2026/1648 Refused

  Heathrow House, 785 Bath Road, Hounslow, TW5 9AT

  Change of use from 20 residential apartments (14 x one-bedroom and 6 x two-bedroom) to serviced accommodation across three floors 2,3 and 4 of the building.

  Received 3 Jun, published by the council 26 Jul 2026 Full applications