Planning Policy / Policy library / Permitted development
Permitted development rights for householders — technical guidance
The official guidance on what householders can build without a planning application — Classes A to G, verbatim. Designations like conservation areas and Article 4 directions narrow these rights. Published by the Ministry of Housing, Communities and Local Government; official source ↗. Captured 12 June 2026 and version-tracked — we re-ingest when the publisher updates the document.
Class A — enlargement, improvement or other alteration of a dwellinghouse (extensions)Class B — additions to the roof of a dwellinghouse (loft conversions and dormers)Class C — other alterations to the roof of a dwellinghouse (roof lights)Class D — porchesClass E — buildings etc incidental to the enjoyment of a dwellinghouse (outbuildings)Class F — hard surfaces incidental to the enjoyment of a dwellinghouse (driveways)Class G — chimneys, flues etc on a dwellinghouse
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