Part 2, Class A of GPDO: Prior Approval for Larger Home Extensions - Local Validation List directory

National requirement.

The Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).

You will need to provide:

• the fee and
• the application must be accompanied by:
  • a written description of the proposed development including
    • how far the enlarged part of the dwellinghouse extends beyond the rear wall of the original dwellinghouse
    • the maximum height of the enlarged part of the dwellinghouse; and
    • the height of the eaves of the enlarged part of the dwellinghouse;
    • where the enlarged part will be joined to an existing enlargement of the dwellinghouse, the information in sub- paragraphs (i) to (iii) must be provided in respect of the total enlargement (being the enlarged part together with the existing enlargement to which it will be joined)
• a plan indicating the site and showing the proposed development (and any existing enlargement of the original dwellinghouse to which the enlarged part will be joined);
• the addresses of any adjoining premises; (d)the developer's contact address; and
• the developer's email address if the developer is content to receive communications electronically.

Planning Portal Guidance on Requirements & the Process.