Richard Brimfield is a Chartered Building Services Engineer and expert witness recognised for his analytical mind, quiet assurance, and exceptional technical capability. With 17 years’ experience across education, healthcare, laboratories, low carbon offices and heritage buildings, Richard brings a rare depth of expertise in both mechanical and electrical engineering design. His work is defined by precision, creative problem solving and an unwavering commitment to achieving the best outcomes for his clients.

Richard has acted as lead expert on multiple disputes involving heat pump systems, close control HVAC performance, complex water systems, MEP design responsibility, energy network performance, and installation defects. He is equally adept at drawing on his detailed understanding of heating, cooling, controls, domestic hot and cold water systems, and building performance. Colleagues often remark that Richard sees solutions long before others have fully understood the problem.

Alongside his expert witness work, Richard contributes to industry advancement through involvement in CIBSE and BSI authoring panels, presenting at technical conferences, and developing industry adopted calculation tools, specification standards and system design guidance. He is widely regarded as a thought leader in the design and optimisation of next generation heat pump and low carbon energy systems.

Known for his calm confidence, intellectual rigour and client focused mindset, Richard combines deep technical insight with a measured, thoughtful approach – giving clients complete confidence that he will always deliver his very best, no matter how complex the challenge. Colleagues often describe him as the quiet expert in the room – the one whose judgement they trust implicitly.