Create more space and add value to your property with a professionally built extension. Build it SW Ltd delivers high-quality house extensions throughout the South West of Cornwall, designed to blend seamlessly with your existing home.

From single-storey extensions to larger multi-room projects, we manage every stage of the build with precision and care. Our team ensures all work meets structural, aesthetic, and regulatory standards while keeping disruption to a minimum.

We work closely with you from concept to completion, ensuring the finished space reflects your needs and enhances your property.