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.
Learn how to appeal a planning refusal in England. Who can appeal, what grounds apply, and what your chances of success are.
Received a planning enforcement notice? Find out what it means, your rights, and how to appeal within the 28-day deadline.
Semi-detached houses can build single-storey side extensions under permitted development. Find out the size limits, loft conversion rules, and party wall obligations.
Terraced houses can extend at the rear and convert lofts under permitted development — but side extensions always need planning permission. Find out the size limits.
Many new builds have planning conditions removing permitted development rights. Find out how to check if your new home is affected and what it means for extensions.
Flat owners have very few permitted development rights — extensions, loft conversions, and outbuildings all need planning permission. Find out what you can and can’t do.
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.
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.
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.
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.
PERMITTED is operated by Yorkshire Property Design Services Limited, registered in England and Wales under company number 12698267.
Registered office: Ground Floor, Techno Centre, Station Road, Horsforth, Leeds, LS18 5BJ
Business contact address: Wira House, Ground Floor, Suite 5, Ring Road, West Park, Leeds, LS16 6EB
