Marsh Brook 25 Newtown Copthorne Crawley West Sussex RH10 3LY

This site has had 2 applications since 2026: 2 approved, 0 refused.

• DM/26/0307 Granted

  Marsh Brook 25 Newtown Copthorne Crawley West Sussex RH10 3LY

  Proposed single storey rear extension

  Decided 7 Apr 2026 Householder

1. 6 Feb 2026

   Received by Mid Sussex

2. 25 Mar 2026

   Decision issued: Approved

3. 12 Aug 2026

   Added to PlanIndex

Mid Sussex granted permission on 25 March 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.

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.

• Marsh Brook 25 Newtown Copthorne Crawley West Sussex RH10 3LY

  DM/26/0307 Submitted 6 Feb 2026 50 yards away

  Proposed single storey rear extension

  Granted Householder Extension 15 docs
  Small domestic

• 26 Newtown Copthorne Crawley West Sussex RH10 3LZ

  DM/23/0886 Submitted 30 Mar 2023 50 yards away

  Single storey rear extension and ramped access to the front door.

  Granted Householder Extension 12 docs
  Small domestic

• 9 Newtown Copthorne Crawley West Sussex RH10 3LY

  DM/24/2017 Submitted 19 Aug 2024 50 yards away

  Installation of two rear dormers with rooflights to the front and rear (amended plans and description 10/10)

  Granted Householder Loft or dormer 13 docs
  Domestic

• Pinetrees 14 Pinetrees Close Copthorne Crawley West Sussex RH10 3NX

  DM/25/2810 Submitted 31 Oct 2025 150 yards away

  Oak Trees x 2 - (T1 and T2) - Reduce height of each by 1.5m all round and reshape. Currently 16m height, reducing to 14.5m and reduce lateral limbs by 1.5m to balance crown.

  Granted Trees 6 docs

• 6 Bramble Close Copthorne Crawley West Sussex RH10 3QB

  DM/26/2047 Submitted 19 Aug 2026 150 yards away

  Proposed rear single storey extension.

  Granted Extension
  Small domestic

• 16 Beechey Close Copthorne Crawley West Sussex RH10 3LS

  DM/21/1958 Submitted 21 May 2021 200 yards away

  2x Silver Birch and 1x Oak to be removed

  Granted Trees 9 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• ,DM/26/1028 Withdrawn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