📄 CONTENTHow Much Does a House Extension Cost in Sunderland?If you're planning a house extension in Sunderland, one of the first questions is cost. The price of a house extension can vary depending on size, design, materials, and complexity.On average, house extensions in Sunderland typically range from £1,500 to £2,500 per square metre. A small single-storey extension may cost around £20,000–£40,000, while larger or more complex builds can exceed £60,000.💷 What affects the cost? Size of the extension Type (rear, side, double-storey) Materials used Structural work required Labour and project duration📍 Why choose a local Sunderland builder?Working with experienced builders in Sunderland ensures your extension is built to local standards, with knowledge of planning regulations and ground conditions.👉 JL Brickwork provides professional house extensions across Sunderland and the North East.Contact us today for a free quote.