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Planning application

DM/26/1359

Ashwyn Business Centre Marchants Way Burgess Hill West Sussex RH15 8QY

Awaiting decision Mid Sussex Lawful Development Certificate -Proposed

Proposal

Alterations to east and west facing elevations of the building, to include new roller shutter doors and personnel doors

As published by the council, reference DM/26/1359

Timeline

Dates from the published record

  1. 1 Jun 2026

    Received by Mid Sussex

  2. 31 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Mid Sussex for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • DM/26/1217 Decided

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    Enclose a walk-through, single-storey rear extension, add velux roof windows for loft conversion

    14 May 2026 131m away Lawful development
  • DM/23/0061 Decided

    Land At And Adjacent To The Former Sewage Treatment Works Fairbridge Way Burgess Hill West Sussex RH15 8BF

    Discharge of planning condition numbers 5, 9 and 12 relating to planning application DM/19/1895

    6 Jan 2023 189m away Conditions
  • DM/26/1634 Decided

    Burgess Hill Transfer Station And Civic Amenity Site Fairbridge Way Burgess Hill West Sussex RH15 8AR

    Discharge of condition 19 relating to planning reference DM/19/1895.

    2 Jul 2026 282m away Conditions
  • DM/23/0616 Withdrawn

    Land At And Adjacent To The Former Sewage Treatment Works Fairbridge Way Burgess Hill West Sussex RH15 8BF

    Non Material Amendment to Reserved Matters application DM/21/2627 - Changes relating to plots 147, 148, 170, 174, 180, 183, 263, and 268 (Cardinham 2 x T1 and 6 x T2). These units will now be traditionally built, rather than modular, to ensure that they meet NDSS standards.

    3 Mar 2023 303m away Amendments
  • DM/26/1191 Awaiting decision

    Land At And Adjacent To The Former Sewage Treatment Works Fairbridge Way Burgess Hill West Sussex RH15 8BF

    Non Material Amendment to application DM/19/1895 - At RMA stage, 62 of the 307 homes (20%) were identified as being delivered in compliance with M4(2) Accessible and Adaptable dwellings. This application seeks approval to revise the specific plots designated as M4(2), without altering the total number required by the original planning consent. There will be one Plot swap included which is the removal of 202 and the inclusion of 258.

    12 May 2026 305m away Amendments
  • DM/26/1236 Decided

    5 Bridge Close Burgess Hill West Sussex RH15 8PD

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    18 May 2026 363m away Householder

In Mid Sussex

  • DM/26/1516 Decided

    25 The Nursery Burgess Hill West Sussex RH15 0LF

    Proposed single storey rear extension

    18 Jun 2026 Lawful development
  • DM/26/1450 Decided

    75 Bentswood Crescent Haywards Heath West Sussex RH16 3QP

    Loft conversion with gable-end and rear dormer plus rooflights to front roof slope.

    10 Jun 2026 Lawful development
  • DM/26/1395 Refused

    Bolney Park Farm Broxmead Lane Bolney Haywards Heath West Sussex RH17 5RJ

    Existing Use of The Old Dairy as a separate and independent residential unit.

    5 Jun 2026 Lawful development
  • DM/26/1441 Withdrawn

    53 The Grange Hurstpierpoint Hassocks West Sussex BN6 9FD

    Proposed replacement of the windows and front entrance door

    10 Jun 2026 Lawful development
  • DM/26/1372 Granted

    Brantridge Park Brantridge Park Drive Balcombe Haywards Heath West Sussex RH17 6FN

    Certificate of Lawfulness of Proposed Use or Development seeking confirmation that the proposed use of the existing indoor equestrian arena for occasional dressage-related activities is lawful.

    2 Jun 2026 Lawful development