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.

Georgian red-brick facade with sash windows and doorcase — Windows and doors: like-for-like is free; character areas care about detail

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: porches Class 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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