3 Knowle Drive Copthorne Crawley West Sussex RH10 3LW

1. 11 Dec 2015

   Received by Mid Sussex

2. 4 Feb 2016

   Decision issued: Refusal

3. 31 Jul 2026

   Added to PlanIndex

Mid Sussex refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 7 Knowle Close Copthorne Crawley West Sussex RH10 3LR

  DM/23/0815 Submitted 23 Mar 2023 50 yards away

  Single storey front and rear extensions with porch and roof windows.

  Granted Householder Extension Windows or glazing 7 docs
  Small domestic

• 5 Knowle Close Copthorne Crawley West Sussex RH10 3LR

  DM/26/1060 Submitted 28 Apr 2026 50 yards away

  Single storey side and front extension, porch extension, partial garage conversion, new first floor with side dormer extension, installation of x3 rooflights, and alterations to the fenestration.

  Granted Extension Loft or dormer +1
  Small domestic

• 1 Spring Gardens Copthorne Crawley West Sussex RH10 3RS

  DM/25/2770 Submitted 28 Oct 2025 100 yards away

  Removal of mature Beech tree.

  Granted Trees 7 docs

• 1 Spring Gardens Copthorne Crawley West Sussex RH10 3RS

  DM/25/2247 Submitted 5 Sep 2025 100 yards away

  Scots Pine - sectional felling.

  Withdrawn Trees 7 docs

• 29 Spring Gardens Copthorne Crawley West Sussex RH10 3RS

  DM/25/2732 Submitted 23 Oct 2025 100 yards away

  T1 - mature Oak : Reduce back lower canopy 2m. T2 and T3 Mature Oaks. Remove epicormic growth on main stems to branch break.

  Granted Trees 5 docs

• Tresanton Borers Arms Road Copthorne Crawley West Sussex RH10 3LJ

  DM/24/2662 Submitted 31 Oct 2024 100 yards away

  Proposed single storey rear extension extending beyond the rear wall of the original house by 6.2m, to a maximum height of 3.7m and the height of the eaves to 2.5m.

  Granted Prior approval Extension 8 docs
  Small domestic

• DM/26/2027 Awaiting decision

  Timbers Cansiron Lane Ashurst Wood East Grinstead West Sussex RH19 3SE

  Proposed two storey side and rear extension.

  Received 17 Aug, published by the council 19 Aug 2026 Householder
• DM/26/1085 Granted

  12 Hurst Gardens Hurstpierpoint Hassocks West Sussex BN6 9ST

  New pitched roof above ground floor projections on principal elevation. Conversion of integrated garage.

  Received 29 Apr, published by the council 31 Jul 2026 Householder
• DM/26/1059 Granted

  73 Folders Lane Burgess Hill West Sussex RH15 0DY

  Proposed first floor extension and extension to the rear and internal alterations to the property.

  Received 28 Apr, published by the council 31 Jul 2026 Householder
• DM/26/1056 Granted

  High Garth Stockcroft Road Balcombe Haywards Heath West Sussex RH17 6LG

  Demolition of existing side lean to porch, construction of a single storey rear extension, replacement single glazed windows to double glazed UPVC windows, alterations to fenestration and addition of two front facing skylights.

  Received 28 Apr, published by the council 31 Jul 2026 Householder
• DM/26/0451 Granted

  Cherry Hay Turners Hill Road East Grinstead West Sussex RH19 4LX

  Proposed single storey rear extension following replacement of existing conservatory. Single storey front entrance extension with extended roof to cover existing flat roof of bay window. Balustrading to existing first floor side balcony. Proposed detached carport.

  Received 20 Feb, published by the council 12 Aug 2026 Householder