House Extensions & Building Services in Swindon

Craig Donnelly Building Contractors Ltd is an award-winning, family-run building company specialising in house extensions, garage conversions and structural alterations across Swindon and Wiltshire. Whether you're planning a single-storey rear extension, converting your garage into additional living space or removing a load-bearing wall, we provide professional building services tailored to your project.

Our experienced team covers every stage of your building project, from groundwork and foundations through to brickwork, roofing, plastering and finishing. We work with skilled tradespeople to deliver high-quality house extensions, garage conversions and home renovations throughout Swindon and the surrounding Wiltshire area.