Planning Permission Guides

Clear, practical guides on UK permitted development rules for the most common home improvement projects.

Rear Extension

Size limits, height rules, and when a rear extension needs planning permission or prior approval.

Volume limits, dormer rules, and permitted development for loft conversions.

Garden sheds, workshops, and home offices — height, size, and placement rules.

Garden rooms and annexes — when they count as permitted development.

Converting a garage into living space — planning permission and building regs.

When a conservatory counts as permitted development and size limits for attached glass extensions.

Front garden paving, permeable surfacing and when hardstanding needs planning permission.

Garden decking height rules, raised platforms and boundary limits for outdoor decks.

Loft dormer volume limits, highway-facing rules and permitted development for dormers.

Garden pool placement, enclosure rules and when an outdoor pool needs planning permission.