11 Jefferies Horsted Keynes Haywards Heath West Sussex RH17 7DR

1. 15 Mar 2023

   Received by Mid Sussex

2. 20 Mar 2023

   Validated

   Checked as complete and ready for consideration.

3. 15 May 2023

   Decision issued: Refusal

4. 14 Sep 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.

• Lattenbury Lewes Road Horsted Keynes Haywards Heath West Sussex RH17 7DP

  DM/25/2183 Submitted 28 Aug 2025 100 yards away

  Non material amendment to application DM/24/1353 Proposed first floor extension to rear of existing property.

  Withdrawn Amendments Extension 7 docs

• Lattenbury Lewes Road Horsted Keynes Haywards Heath West Sussex RH17 7DP

  DM/25/2536 Submitted 8 Oct 2025 100 yards away

  Proposed first floor rear extension with proposed tile wall hanging at first floor, to match existing. Along the front elevation, ground floor portion of external wall to have a rendered finish with tile hanging at first floor to match tile hanging on rear elevation.

  Granted Householder Extension 15 docs
  Domestic

• 3 Highfields Lewes Road Horsted Keynes Haywards Heath West Sussex RH17 7DY

  DM/19/4407 Submitted 21 Oct 2019 100 yards away

  Replace existing rear conservatory with single storey rear extension and replace existing front porch with new front porch.

  Granted Householder Extension 12 docs
  Small domestic

• 16 Hamsland Horsted Keynes Haywards Heath West Sussex RH17 7DX

  DM/23/0622 Submitted 6 Mar 2023 150 yards away

  Non material amendment relating to planning reference DM/22/1269 to change the subservient roof on the western elevation from a pitched style roof to a flat roof with one central rooflight.

  Withdrawn Amendments Loft or dormer 4 docs

• 5 Boxes Lane Horsted Keynes Haywards Heath West Sussex RH17 7EJ

  DM/25/2682 Submitted 20 Oct 2025 150 yards away

  Front porch and bay window extension.

  Granted Householder Extension Windows or glazing 22 docs
  Small domestic

• Poppies 10 Hamsland Horsted Keynes Haywards Heath West Sussex RH17 7DX

  DM/26/2651 Submitted 22 Oct 2026 200 yards away

  94% historically approved · decision due ~29 Dec

  Erection of a two storey rear extension with a gable roof, incorporating a first floor rear balcony and rooflights to the side roof slopes, together with internal alterations.

  Awaiting decision Extension Loft or dormer

• 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