For information about the main documents on this website, please view below:

BASIC user (e.g. member of the public, etc):

• If you want to learn about householder permitted development legislation, then the best place to start is the "Part 1 of the GPDO - Visual Guide" document. After this, the main documents are as follows:
• If you want to check the interpretation of a particular part of the legislation (e.g. because you disagree with your Council's interpretation, etc), then please view the "Part 1 of the GPDO - GENERAL Appeal Decisions" document (note: for outbuildings under Part 1 Class E, then please also view the "Part 1 of the GPDO - INCIDENTAL Appeal Decisions" document).
• If you want to build a larger rear extension under Part 1 Class A, then please view the "Part 1 of the GPDO - Larger Rear Extensions - Guide" document and the "Part 1 of the GPDO - PRIOR APPROVAL Appeal Decisions" document.

ADVANCED user (e.g. local authority, planning consultant, etc):

• Please follow the above advice for a "BASIC user". After this, the main documents are as follows:
• If you want to learn about the amendments to the GPDO since 2013, please view the "Part 1 of the GPDO – Summary of Amendments since 2013" page and the "Other Parts of the GPDO – Summary of Amendments since 2013" page.
• If you want to view planning secondary legislation (e.g. the UCO 1987, etc), please view the "Consolidated Legislation" and "Other Legislation" sections of this website.
• If you want to find out how Inspectors have interpreted a wide range of planning law issues (e.g. other than permitted development legislation), please view the "All Other LDC Appeal Decisions" document.