What Is a Good U-Value for UK Homes? A Practical Guide
A good U-value for UK homes is one that beats Building Regulations minimums while staying realistic for the project and budget. Typically, this means about 0.15–0.18 W/m²K for walls, 0.10–0.16 for roofs, 0.10–0.18 for floors, and 0.8–1.4 for modern windows and doors. These levels cut heat loss, reduce heating demand, and improve comfort with warmer […]
























