Do I Need Planning Permission? - Free Permitted Development Checker

PRAITE helps UK homeowners check if their home improvement projects need planning permission or qualify as permitted development under GPDO rules.

What is Permitted Development?

Permitted development rights allow you to make certain improvements to your home without applying for planning permission. These rights are set out in the General Permitted Development Order (GPDO) 2015.

Common Projects We Can Help With:

Extensions - Single storey, two storey, rear and side extensions
Loft Conversions - Dormers and roof enlargements
Outbuildings - Sheds, garden rooms, summer houses
Porches - Front door porches
Fences and Walls - Boundary treatments

Permitted Development Size Limits:

Single storey extensions: Up to 4m depth (detached) or 3m (semi/terraced)
Two storey extensions: Maximum 3m depth, 7m from boundary
Loft conversions: Up to 50m³ (detached/semi) or 40m³ (terraced)
Outbuildings: Max 4m high (pitched roof), 50% garden coverage limit

JavaScript Required: This assessment tool requires JavaScript to function. Please enable JavaScript in your browser settings to use our free planning permission checker.

Useful Resources:

Planning Portal - Official UK planning guidance
GOV.UK - Government planning information
GPDO 2015 - Full legislation text

Property Assessment

Answer a few questions to determine your permitted development eligibility

Step 1 of 6Property Information

Property Information

What type of property do you have?

This tool provides general guidance only. It is not legal advice. Only your Local Planning Authority can issue a binding decision.

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