Lawful development certificate for an existing use or operation, or activity including those in breach of a planning condition

Important notes

An application to certify that an existing use or development is lawful. For peace of mind that an existing use of a building is lawful or that the proposal doesn't require planning permission, you can apply for a lawful development certificate. Find out more about LDCs.

Applications for a lawful development certificate should be submitted in accordance with the requirements in this checklist. If not, the application may be declared invalid and not determined or processing may be delayed.

If the application is submitted electronically one copy of the form and each of the drawings, plans and documentation will be required but 2 copies (1 original and 1 copy) will be required if the application is submitted in paper form.

Drawings should include information clearly stating the orignal size of the paper and include a scale bar indicating a minimum 0-10 metres. This is to enable them to be accurately read online. Plans marked with "do not scale" or any similar phrase will be returned as unacceptable as for planning purposes we must be able to scale from all drawings.

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National requirements

  • Completed application form.

  • Plan identifying the land to which the application relates at a scale of 1:1250 or 1:2500 and showing the direction of north.

  • Evidence to verify the information included in the application. Detailed documentation required to help substantiate that the use or operational development is sufficiently long established to be lawful.

  • The appropriate fee.

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Local requirements (reviewed 12 September 2014)

  • Site plan at a scale of 1:200 or less (i.e. 1:100) with a north point showing the proposed development in relation to the site boundaries, and other existing buildings on site with written dimensions including those to boundaries and the following unless these would not influence or be affected by the proposed development:

  • all the buildings, road and a footpath on land adjoining the site including access arrangements
  • all public rights of way crossing or adjoining the site
  • the position of all trees on the site and those on adjacent land
  • the extent and type of any hard surfacing and
  • boundary treatment including walls or fencing where this is proposed.
  • Existing and proposed elevations at a scale of 1:50 or 1:100.

  • Existing and proposed floor plans at a scale of 1:50 or 1:100.

  • Existing and proposed site sections and finished floor and site levels e.g. at a scale of 1:50 or 1:100.

  • Roof plans e.g. at a scale of 1:50 or 1:100.

  • CIL additional information form (where applicable)

  • CIL assumption of liability form (where applicable)

  • Information to support the Lawful Development Certificate application e.g. statutory declarations and/or sworn affidavits signed by individuals with personal knowledge of the premises to confirm the longevity of the use or when the operational development was completed.

  • Photographs/photomontages to support the application, at the applicants discretion.

  • Planning statement. To support the case for the existing use or operation, at the applicants discretion.

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Apply online

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Printable application form

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Guidance on completing application form

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