GPDO Part 1 Class E (Incidental Requirement) – LDC Appeal Decisions

The document on this page provides the conclusions and decision notices (i.e. not summaries) for LDC appeal decisions relating to the "incidental" requirement of Part 1 Class E of the GPDO (i.e. outbuildings).

Note: For "LDC appeal decisions" relating to all other aspects of Part 1 of the GPDO (i.e. other than the "incidental" requirement of Part 1 Class E of the GPDO), please view the "GPDO Part 1 (All Classes) - LDC Appeal Decisions" document on this website.

Document:

  • GPDO Part 1 Class E (Incidental Requirement) - LDC Appeal Decisions
    (Excel document, opens in a new window).
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Screenshots for the above document:

This is an example screenshot for the above document, which provides the conclusions and decision notices (i.e. not summaries) for LDC appeal decisions relating to the

Statistics for the above document:

  • Last updated: 22/09/2026 (note: checked for updates on a monthly basis)
  • Total number of appeal decisions: 664

Notes for the above document:

  • For each appeal decision, the above document provides the following information:
    >>> PJ code (note: you can use this "PJ code" to view the appeal decision notice and (if applicable) the costs decision notice via the links below at the end of this page).
    >>> Link to the appeal decision notice.
    >>> Conclusion (i.e. "INCIDENTAL" or "NOT incidental").
    >>> Types of rooms within the outbuilding (i.e. "garage", "storage", "gym", "games room", etc).
    >>> Area of the outbuilding (if known).
    >>> Area of the different types of room (if known).
    >>> Key quotes from the appeal decision notice.
    >>> Whether costs were awarded or rejected (if applicable).
    >>> Link to the costs decision notice (if applicable).
  • For each appeal decision, there is a link to the appeal decision notice and (if applicable) the costs decision notice. These links only work for members, and there is no extra cost for clicking on them. This means that only members can see the full details of each appeal decision, including the Planning Inspectorate's reference, the site address, the decision date, the name of the local authority, etc.

Information about the how the courts have interpreted the "incidental" requirement:

For information about how the courts have interpreted the "incidental" requirement of Part 1 Class E of the GPDO, the following appeal decision notices are a good place to start:

Links to the appeal decision notice and (if applicable) the costs decision notice:

  • From September 2026 onwards, the links to the appeal decision notice and (if applicable) the costs decision notice are now within the above document (i.e. they're no longer provided below at the end of this page).

Updates: