Planning a house extension? This complete UK homeowner guide explains planning permission, permitted development, design choices, drawings, Building Regulations, costs, timelines and common mistakes. Learn how to plan your extension properly, avoid council problems and move from an early idea to a compliant, practical design with greater confidence.
Extensions for length usually means how far your home extension can project from the original wall in the UK. This guide explains what “length” really means, when Permitted Development might apply, when planning permission is more likely, and the practical limits (neighbours, drainage, light, structure) that shape what’s realistic.
Thinking about a rear and side extension? This guide explains what counts as Permitted Development, when you’ll need full planning permission, and how to design with neighbours and council rules in mind. Learn costs, timelines, structural needs and local quirks, plus practical tips to make your extension a smooth success.
