25 The Leas Crawley Down Crawley West Sussex RH10 4EP

1. 27 Jan 2026

   Received by Mid Sussex

2. 3 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 16 Mar 2026

   Decision issued: Approved

4. 12 Aug 2026

   Added to PlanIndex

Mid Sussex granted permission on 16 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.

• 8 Grange Road Crawley Down Crawley West Sussex RH10 4JT

  DM/24/2645 Submitted 30 Oct 2024 100 yards away

  Erection of a single storey extension extending beyond the rear wall of the original house by 4.0m, to a maximum height of 3.8m and the height of the eaves to 2.95m.

  Granted Prior approval Extension 5 docs
  Small domestic

• 7 Grange Road Crawley Down Crawley West Sussex RH10 4JT

  DM/26/0508 Submitted 26 Feb 2026 150 yards away

  Proposed hip to gable loft conversion with rear dormer and front facing roof windows. Single storey side extension. Single storey outbuilding to replace existing garage.

  Granted Lawful development Extension Loft or dormer +1 12 docs
  Small domestic

• Tronning Grange Road Crawley Down Crawley West Sussex RH10 4JT

  DM/23/0541 Submitted 24 Feb 2023 200 yards away

  Proposd ground floor rear extension, first floor rear extension and associated roof amendments, garage conversion into habitable space

  Granted Householder Extension 29 docs
  Small domestic

• 12 Old Station Close Crawley Down Crawley West Sussex RH10 4TX

  DM/20/4215 Submitted 10 Nov 2020 200 yards away

  Retrospective application for the installation of a flue extraction system to the side and rear of the building, in a different position from that previously approved under prior approval application DM/19/0492. Revised Odour Risk Assessment and weekly sales information received 09.02.2021.

  Withdrawn Full applications 65 docs

• Inglewell Sandhill Lane Crawley Down Crawley West Sussex RH10 4LB

  DM/24/2768 Submitted 13 Nov 2024 200 yards away

  Two storey rear extension. Two storey front extension. Rear Patio.

  Granted Householder Extension 33 docs
  Domestic

• 56 Old Station Close Crawley Down Crawley West Sussex RH10 4TX

  DM/24/2448 Submitted 8 Oct 2024 200 yards away

  Single storey rear and side extensions. Balcony roof over existing garage removed and replaced with pitched roof. Change of roof tiles. Change of cladding. Change of fenestration colour.

  Granted Householder Extension Roofing +1 12 docs
  Small domestic

• ,DM/26/1028 Withdrawn

  6 Tate Crescent Burgess Hill West Sussex RH15 8TE

  Proposed partial conversion of attached garage to habitable accommodation. Fenestration alterations.

  Received 24 Apr, published by the council 31 Jul 2026 Lawful development
• DM/26/1052 Granted

  5 Hickmans Lane Lindfield Haywards Heath West Sussex RH16 2BQ

  New porch, rear box dormer loft conversion, and internal alterations.

  Received 27 Apr, published by the council 31 Jul 2026 Lawful development
• DM/26/0917 Refused

  20 Royal George Road Burgess Hill West Sussex RH15 9SD

  Proposed garden building

  Received 10 Apr, published by the council 31 Jul 2026 Lawful development
• DM/26/1019 Granted

  97 Leylands Road Burgess Hill West Sussex RH15 8AA

  Proposed loft conversion and rear extension

  Received 23 Apr, published by the council 31 Jul 2026 Lawful development
• DM/26/1038 Granted

  41 College Lane Hurstpierpoint Hassocks West Sussex BN6 9AD

  Demolition of 2no existing first-floor rear (north) elevation dormers, to be replaced with a new, full width dormer. A new 3m2 porch will be added at ground floor on the east elevation.

  Received 27 Apr, published by the council 12 Aug 2026 Lawful development