Graham is a director of Prewett Bizley Architects who are commitment to radically reducing the energy consumption of buildings through a ‘fabric first’ approach, with extensive experience in delivering sustainable new-build and retrofit projects using Passivhaus construction methodologies.

Graham has written regularly for various architectural journals and is the author of two books on architectural detailing published by the Architectural Press.  He is a part-time teaching fellow at the University of Bath and has sat on the Hackney Design Review Panel and on the Islington Conservation and Design Panel.