Sustainable Building Consultancy

Sustainable building consultancy. Certified Passivhaus Consultant. Enabling low-carbon high-comfort building and Retrofit Combining practical guidance and hands-on experience with research and interrogation of data. Working in both brand-new buildings and sensitive Retrofit of historical buildings John provides Passivhaus calculations with design and construction support life-time embodied and operational carbon calculations and advice on suitable materials and approaches for high-comfort low-carbon construction.