18 Blackthorns Lindfield Haywards Heath West Sussex RH16 2AY

This site has had 2 applications since 2022: 1 approved, 1 refused.

• DM/23/0729 Granted

  18 Blackthorns Lindfield Haywards Heath West Sussex RH16 2AY

  Proposed porch to the front of the property.

  Decided 12 May 2023 Lawful development

1. 16 Dec 2022

   Received by Mid Sussex

2. 18 Jan 2023

   Validated

   Checked as complete and ready for consideration.

3. 15 Mar 2023

   Decision issued: Refusal

4. 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.

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.

• 18 Blackthorns Lindfield Haywards Heath West Sussex RH16 2AY

  DM/23/0729 Submitted 16 Mar 2023 50 yards away

  Proposed porch to the front of the property.

  Granted Lawful development Extension 8 docs
  Small domestic

• 28 Blackthorns Lindfield Haywards Heath West Sussex RH16 2AY

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

  Oak Tree - Fell to ground level.

  Granted Trees 11 docs

• 23 Blackthorns Lindfield Haywards Heath West Sussex RH16 2AX

  DM/26/0364 Submitted 12 Feb 2026 100 yards away

  Single-storey extension to the principal elevation, proposed cladding and replacement anthracite windows to principal elevation and new windows and doors to side elevations.

  Granted Householder Extension Windows or glazing 21 docs
  Small domestic

• 34 Blackthorns Lindfield Haywards Heath West Sussex RH16 2AY

  DM/23/0249 Submitted 27 Jan 2023 100 yards away

  Demolish existing garage. Erect a ground and first floor side extension and a new front porch. Replace all existing windows. Attach new solar panels to rear.

  Granted Householder Extension Demolition +1 12 docs
  Small domestic

• Lindfield Academy School Lane Lindfield Haywards Heath West Sussex RH16 2DX

  DM/25/2310 Submitted 11 Sep 2025 100 yards away

  T126 Sycamore- Re-pollard to old pruning points. T131 Sycamore- Fell. T206- Black Poplar- Pollard at 8m

  Granted Trees 9 docs

• Blackthorns County Primary School 3 Blackthorns Close Lindfield Haywards Heath West Sussex RH16 2UA

  DM/25/2900 Submitted 11 Nov 2025 100 yards away

  The continued siting and use of a temporary classroom unit

  Granted Full applications 13 docs

• ,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