Extensions advice guides

Planning an extension? Learn all about planning permission, building control and the different types of extensions and garden rooms in this guide as well as how much it costs to build an extension and top tips from a builder and architect.

3 articles

Extension types

From basement conversions to porch extensions, read our guide to make your extension planning as smooth as possible.

Extension planning

Plan your extension to perfection with our thorough guide, which covers everything from planning permission and permitted development to RICS costs and trader advice.

Garden rooms

From garden offices to log cabins to summer houses, our expert guide explains the different types, typical costs and the features to look out for. Plus how to build a garden room and if you need planning permission for a summer house or garden building.