3 Walnut Farm Science Park Lockgate Road Sidlesham West Sussex PO20 7QQ

1. 13 Feb 2026

   Received by Chichester

2. 1 Apr 2026

   Decision issued: PERMIT

3. 12 Aug 2026

   Added to PlanIndex

Chichester granted permission on 1 April 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.

• 3 Walnut Farm Science Park Lockgate Road Sidlesham West Sussex PO20 7QQ

  26/00352/PLD Submitted 13 Feb 2026 50 yards away

  Proposed single storey extension to commercial building.

  Granted Lawful development Extension 9 docs
  Small domestic

• Walnut Farm Science Park Lockgate Road Sidlesham West Sussex

  26/01035/FUL Submitted 8 May 2026 50 yards away

  Demolition of existing lean-to building and construction of replacement building within Class E(g) use (office, research, and development and light industry)

  Granted Full applications Demolition 12 docs

• Units 1 And 2 Walnut Farm Science Park Lockgate Road Sidlesham West Sussex PO20 7QQ

  12/00100/COU Submitted 6 Jan 2012 50 yards away

  Storage and preparation of cars.

  Granted Full applications 18 docs

• Units 1 And 2 Walnut Farm Science Park Lockgate Road Sidlesham West Sussex PO20 7QQ

  12/00100/COU Submitted 6 Jan 2012 50 yards away

  Storage and preparation of cars.

  Granted Full applications 18 docs

• Willowdene Nursery Fletchers Lane Sidlesham Chichester West Sussex PO20 7QG

  26/00111/PA3Q Submitted 16 Jan 2026 200 yards away

  Prior Approval of Proposed Change of Use of an existing agricultural building to 1 no' dwellinghouse (Use Class C3), and for associated operational development, under Part 3, Class Q(c) of The Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) which was amended by Statutory Instrument 2024 No. 579 which came into effect on 21st May 2024.

  Awaiting decision Prior approval 12 docs
  Domestic

• Willowdene Nursery Fletchers Lane Sidlesham Chichester West Sussex PO20 7QG

  26/00111/PA3Q Submitted 16 Jan 2026 200 yards away

  Prior Approval of Proposed Change of Use of an existing agricultural building to 1 no' dwellinghouse (Use Class C3), and for associated operational development, under Part 3, Class Q(c) of The Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) which was amended by Statutory Instrument 2024 No. 579 which came into effect on 21st May 2024.

  Awaiting decision Prior approval 12 docs
  Domestic

• 26/00640/PLD Withdrawn

  Land South Of Clappers Lane Clappers Lane Earnley West Sussex

  Proposed lawful development - Installation of Real Time Control (RTC) to foul water system, including foul storage tanks and all requisite on-site telemetry, monitoring and control systems.

  Received 18 Mar, published by the council 12 Aug 2026 Lawful development
• 26/00805/ELD Granted

  Honeys East Bracklesham Drive Bracklesham Bay Chichester West Sussex PO20 8JW

  Existing lawful development certificate to confirm that a lawful commencement of development for 2 no. bungalows has occurred following the grant of planning consent, reserved matters approval and discharge of pre commencement conditions and the carrying out of works comprising the construction of foundation footings in accordance with the approved plans.

  Received 8 Apr, published by the council 31 Jul 2026 Lawful development
• 26/01069/PLD Granted

  Baker Barracks Emsworth Road Thorney Island Emsworth West Sussex PO10 8DH

  Siting of a storage container, erection of a cleaning area structure and associated hardstanding.

  Received 12 May, published by the council 12 Aug 2026 Lawful development
• 26/00781/PLD Granted

  Rolls Royce Motor Cars The Drive Westhampnett Chichester West Sussex PO18 0SH

  Installation of 2 no. external flue ducts and stacks at building 90.

  Received 2 Apr, published by the council 31 Jul 2026 Lawful development
• 26/01141/PLD Awaiting decision

  City Dental Laboratory Quarry Lane Chichester West Sussex PO19 8NY

  Proposed lawful development - rearrangement of internal layout to create a showroom, office and staff facilities plus a workshop and store.

  Received 21 May, published by the council 31 Jul 2026 Lawful development