UK Planning Guidance
UK Planning Guide

UK Planning Permission Guidance for Home Improvements

UK Planning Guide provides clear guidance on planning permission rules for common home improvement projects including loft conversions, extensions, garden rooms and outbuildings.

Our structured guidance explains national permitted development rules and links to official council planning resources so homeowners can understand planning requirements before starting a project.

Planning Guidance by Project Type

Explore planning permission guidance for the most common types of home improvement projects.

Garden Room

Permitted development rules, height limits and local restrictions for garden rooms and outbuildings.

Loft Conversion

Permitted development rules, volume limits and local planning restrictions for loft conversions.

Dormer Extension

Permitted development rules, volume limits and local planning restrictions for dormer extensions.

House Extension

Permitted development rules, size limits and local planning restrictions for house extensions.

Single Storey Extension

Permitted development rules, depth limits and local planning restrictions for single storey house extensions.

Two Storey Extension

Permitted development rules, height and depth limits and local planning restrictions for two storey house extensions.

Rear Extension

Permitted development rules, depth limits and local planning restrictions for rear extensions.

Side Extension

Permitted development rules, width limits and local planning restrictions for side extensions.

Wraparound Extension

Permitted development rules, size limits and local planning restrictions for wraparound extensions.

Outbuildings

Permitted development rules, height limits and local planning restrictions for sheds, garages and other outbuildings.

Garage Conversion

Permitted development rules and local planning restrictions for converting garages into living space.

Porch

Permitted development rules, size limits and local planning restrictions for building a porch.

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