7 Primrose Copse Horsham West Sussex RH12 5PY

1. 22 Feb 2023

   Received by Horsham

2. 18 Apr 2023

   Decision issued: Application Permitted

3. 26 Aug 2026

   Added to PlanIndex

Horsham granted permission on 18 April 2023, 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.

• 54 Primrose Copse Horsham West Sussex RH12 5PZ

  DC/26/0935 Submitted 10 Jun 2026 100 yards away

  94% historically approved · decision due ~5 Aug

  Conversion of loft with rear dormer and 2no. front rooflights (Lawful Development Certificate - Proposed).

  Decided Lawful development Loft or dormer 10 docs

• 1 Burns Close Horsham West Sussex RH12 5PE

  DC/25/1721 Submitted 24 Oct 2025 150 yards away

  Removal of existing boundary and erection of a new 1.8m high close board timber fence with a trellis above.

  Granted Householder 18 docs
  Small domestic

• 24 Burns Close Horsham West Sussex RH12 5PF

  DC/26/0016 Submitted 7 Jan 2026 200 yards away

  Erection of a two storey side extension, erection of a front porch, alterations to fenestration, and associated alterations to access and landscaping.

  Granted Householder Extension Windows or glazing 12 docs
  Small domestic

• 21 Byron Close Horsham West Sussex RH12 5PA

  DC/24/1303 Submitted 27 Aug 2024 200 yards away

  Surgery to 2x trees.

  Granted Trees 5 docs

• 4 Fivens Place Horsham West Sussex RH12 5AS

  DC/26/0368 Submitted 27 Feb 2026 250 yards away

  Prior Approval for the erection of a single storey rear larger home extension, which would project 3.60m from the rear elevation, comprising a maximum height of 2.70m and eaves height of 2.20m.

  Granted Prior approval Extension 6 docs
  Small domestic

• 97 Cook Road Horsham West Sussex RH12 5GL

  DC/26/1422 Submitted 4 Sep 2026 250 yards away

  94% historically approved · decision due ~18 Nov

  Conversion of garage into habitable living space with replacement of garage door with window and replacement of rear door (Lawful Development Certificate - Proposed).

  Awaiting decision Lawful development Windows or glazing 6 docs

• DC/26/1319 Granted

  Little Meadow Kerves Lane Horsham West Sussex RH13 6ES

  Erection of outbuilding for use as a garage/gym and workshop. (Lawful Development Certificate - Proposed).

  Received 5 Aug, published by the council 23 Aug 2026 Lawful development
• DC/26/1310 Granted

  143 Rushams Road Horsham West Sussex RH12 2NY

  Loft conversion with hip to gable roof extension and rear dormer. Replacement of rear doors with bi-fold doors. (Lawful Development Certificate - Proposed).

  Received 3 Aug, published by the council 23 Aug 2026 Lawful development
• DC/26/1172 Granted

  30 Laines Road Steyning West Sussex BN44 3LL

  Conversion of garage into habitable living space, with the installation of 2no. windows to the front elevation, 1no. french doors to the rear elevation, and 2no. rooflights (Lawful Development Certificate - Proposed).

  Received 21 Jul, published by the council 16 Aug 2026 Lawful development
• DC/26/1544 Awaiting decision

  17 Thornden Cowfold West Sussex RH13 8AG

  Siting of single storey mobile home for ancillary use to the main dwelling (Lawful Development Certificate - Proposed).

  Received 28 Sep, published by the council 12 Oct 2026 Lawful development
• DC/26/1524 Awaiting decision

  Rowan Two Mile Ash Horsham West Sussex RH13 0LA

  Application to confirm the continuous use of the land Garden at Rowan purposes for a period in excess of ten years (Lawful Development Certificate - Existing)

  Received 23 Sep, published by the council 12 Oct 2026 Lawful development