Class Q Permitted Development: Converting Agricultural Buildings to Homes
Class Q permits agricultural buildings to be converted to homes with Prior Approval. Learn the conditions, size limits, and how to apply.

Practical guidance on Permitted Development and householder projects in England — what the rules allow, what they limit, and what it means for your drawings.
Start with the PD guideOur detailed guidance pages, organised by the kind of project you are planning.
Permitted Development rulesThe limits that apply to each type of householder project.View articles
ExtensionsSingle storey rear, side and two storey rear extensions.View articles
Lofts and roofsLoft conversions, dormers and roof alterations.View articles
Garden buildingsOutbuildings, garden rooms and garages.View articles
Around the housePorches, conservatories, windows and doors.View articles
Boundaries and outsideFences, walls, gates, patios and driveways.View articles From our Permitted Development and planning article library.
Class Q permits agricultural buildings to be converted to homes with Prior Approval. Learn the conditions, size limits, and how to apply.
An Article 4 Direction removes permitted development rights from an area. Find out how they work and whether one affects your property.
National Parks restrict side extensions and cladding as PD. Find out what you can build in a National Park without planning permission.
Find out which permitted development rights apply in conservation areas — and which works require planning permission.
AONBs restrict side extensions and cladding. Find out which permitted development rights apply in Areas of Outstanding Natural Beauty.
Green Belt designation does not remove your PD rights. Find out what you can build on Green Belt land without planning permission.
PERMITTED HOMEOWNER GUIDES
Our illustrated, practical guides help you understand the rules, explore design options and budget with confidence — before you commit to building work.
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Rules, design options, costs and next steps.
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Rules, design options, costs and next steps.
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Rules, design options, costs and next steps.
View guide
Rules, design options, costs and next steps.
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Rules, design options, costs and next steps.
View guide
Rules, design options, costs and next steps.
View guide
Rules, design options, costs and next steps.
View guide
Rules, design options, costs and next steps.
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Maximize your property’s footprint with precision and ease. Permitted provides complete design for Permitted Development Rights. Our packages are designed around the Permitted Development limits, so many projects can proceed without a full planning application.
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