Single Storey Extension Cost: What Homeowners Actually Pay
Online guides quote a single number. Real projects rarely land on it exactly. Understanding how much does an extension cost for a single storey scheme means looking past the average to what actually drives the final figure. Most homeowners start with a number in mind before design work even begins. Knowing what actually shapes that number helps set a budget that holds. What's The Typical Price Range? A single storey rear extension generally costs £1,500 to £2,500 per square metre. Design fees, structural work, and finishing all sit within that range for most standard projects. This figure covers the complete project when quoted honestly, not just the visible construction work most people picture when they think about an extension. A modest 20 to 30 square metre extension usually lands between £45,000 and £75,000 all in. Larger or more elaborate schemes push well beyond that. Location within London affects this range too. Labour and material costs vary noticeably between boroughs,...