Bennett Freehill is a forward-thinking Building Services Engineering Consultancy, recognised for its pioneering approach to mechanical, electrical and specialist sustainability design. Founded in 2020 by Chartered Engineer Cormac Freehill, we are driven by a commitment to high-performance, low-carbon, sustainable solutions, with expertise spanning Passivhaus, BREEAM, NZEB and Net Zero Carbon, underpinned by continuous learning and development. We foster an inclusive, collaborative culture where shared expertise creates meaningful outcomes for our clients, communities and our team.

Working closely with contractors, architects and developers we provide the insight needed to win and deliver outstanding projects. With experience spanning commercial, education, healthcare, community, conservation, residential, tourism, leisure and industrial sectors, we deliver award-winning projects that are setting new global benchmarks in sustainable design and creating lasting impact. Intelligent collaboration is at the heart of everything we do.

Driven by innovation, sustainability and technical excellence, our experienced team continually refines its approach to deliver the best outcomes on every project. We design better buildings today to create a more sustainable tomorrow. We deliver a comprehensive building services design solution, guiding projects seamlessly from initial concept through to fully detailed technical design, tailored to meet each client’s unique requirements.

Passivhaus and Nearly Zero Energy Building (NZEB) Design Our team combines technical rigour with hands-on experience, supporting clients, architects and design teams in realising ambitious sustainability goals from initial concept through to project completion. We use advanced dynamic simulation software to rigorously analyse building performance, enabling us to develop informed, efficient and project-specific design solutions. We are committed to staying at the forefront of digital engineering, delivering fully BIM Level 2 compliant models across all our projects to ensure coordination, accuracy and efficiency.