
Who we are
BTP is an engineering consultancy built on a foundation of technical excellence, transparency and approachability. With offices in London and the Cotswolds, we deliver innovative solutions across the UK and support a growing international client base. Our collaborative ethos and commitment to quality have earned us a reputation as trusted partners with architects and developers accross multiple sectors of the built environment.

What we do
We specialise in the design and specification of mechanical and electrical systems, offering expert advice on energy strategy, carbon reduction and building physics. We have specialist consultant teams offering IT/data design, zero carbon compliance, security/AV and lighting design.

Our focus
We focus on the detailed design and specification of low-energy, sustainable buildings, integrating a wide range of energy-efficient technologies. Our work includes low-carbon heating and cooling systems, heat recovery ventilation, photovoltaic (PV) generation, battery storage, thermal stores and water recycling solutions.
Our Team
John Grazebrook B.Eng MCIBSE LCC
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Director
Justin Rhodes MBA

Smart Home Head
Rozalina Atanasova M.Arch ARB
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Project Manager
Andrew Galea M.Eng LCEA
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Sustainability Head
Ben Grazebrook B.A.

Operational Director
Akshay Dubashi B.Eng

Mechanical Engineer
