Garden rooms are becoming increasingly popular in the United Kingdom as a way to add living space without requiring a hotraditional use extension. A garden rooms is a self-contained structure that is specifically designed and built for use as a living space, such as a home office, gym, or relaxation area. A garden room extension is a type of home extension that is designed and built as a separate structure in the garden rather than as part of the main house. It can be a versatile and cost-effective way to add extra living space to a home without requiring a full-scale house extension.