23 Blackthorns Lindfield Haywards Heath West Sussex RH16 2AX

1. 12 Feb 2026

   Received by Mid Sussex

2. 11 May 2026

   Decision issued: Approved

3. 12 Aug 2026

   Added to PlanIndex

Mid Sussex granted permission on 11 May 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.

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.

• 28 Blackthorns Lindfield Haywards Heath West Sussex RH16 2AY

  DM/25/2903 Submitted 11 Nov 2025 50 yards away

  98% historically approved · decision due ~6 Jan

  Oak Tree - Fell to ground level.

  Awaiting decision Trees 11 docs

• 18 Blackthorns Lindfield Haywards Heath West Sussex RH16 2AY

  DM/22/3830 Submitted 16 Dec 2022 100 yards away

  Proposed new front open porch and new front door

  Refused Lawful development Extension 13 docs
  Small domestic

• 18 Blackthorns Lindfield Haywards Heath West Sussex RH16 2AY

  DM/23/0729 Submitted 16 Mar 2023 100 yards away

  Proposed porch to the front of the property.

  Granted Lawful development Extension 8 docs
  Small domestic

• 35 Blackthorns Lindfield Haywards Heath West Sussex RH16 2AX

  DM/24/1920 Submitted 8 Aug 2024 100 yards away

  Proposed single storey extension to garage area at front of property and alterations to fenestration and doors to the rear elevation.

  Withdrawn Householder Extension Windows or glazing 15 docs
  Small domestic

• 36 Blackthorns Lindfield Haywards Heath West Sussex RH16 2AY

  DM/26/0336 Submitted 9 Feb 2026 100 yards away

  Two storey front extension, including canopy porch, first floor side extension, two storey rear extensions, solar panels to rear roofslopes and replacement windows.

  Granted Extension Windows or glazing 29 docs
  Small domestic

• 14 West Common Drive Lindfield Haywards Heath West Sussex RH16 2AN

  DM/19/4490 Submitted 28 Oct 2019 100 yards away

  Single storey rear extension with a new roof for the existing rear extension. Garage conversion into a habitable room.

  Granted Householder Extension Roofing 11 docs
  Small domestic

• DM/26/2152 Awaiting decision

  Little Hollybush West Hoathly Road East Grinstead West Sussex RH19 4NE

  Two storey side extension, loft conversion, roof extension with 3 dormers to rear and alterations to fenestration

  Received 2 Sep, published by the council 9 Sep 2026 Householder
• 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/26/2012 Awaiting decision

  21 Harlands Close Haywards Heath West Sussex RH16 1PS

  Erection of a two-storey rear extension, roof alterations including dormer windows and rooflights, insertion of new windows, removal of the existing chimneys, external rendering of the dwelling, and associated internal alterations. (amended description 07.09.2026)

  Received 13 Aug, published by the council 2 Sep 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