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

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Useful Resources:

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

Resources & Guides

Everything you need to understand permitted development rights in England

GPDO Guide

Complete guide to the General Permitted Development Order, including all classes and regulations

LegislationComprehensive

Class Definitions

Detailed explanations of each permitted development class with examples and requirements

ClassesReference

Measurement Guide

Learn how to accurately measure your property for permitted development assessments

PracticalHow-to

Planning Glossary

Comprehensive glossary of planning and permitted development terminology

ReferenceDefinitions

Quick Links

Start Assessment

Check your permitted development rights

FAQ

Common questions answered

How It Works

Learn about our assessment tool

Contact Support

Get help from our team

Official Resources

Additional information from official UK government sources

Planning Portal

Official UK government planning guidance

Gov.uk Planning

Government planning permission information

GPDO 2015 Legislation

Full text of the General Permitted Development Order

Important Notice

These resources are provided for informational purposes only. While we strive for accuracy, permitted development rules can be complex and subject to interpretation. For official advice on your specific situation, consult your local planning authority or a qualified planning professional.

Read Full Disclaimer

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