Peter Cumming and the people at NatHERS & BASIX®️ Solutions specialise in NatHERS assessments, Thermal Performance Reports and BASIX® certificates. Peter also has over 20 years of experience as a builder and he can advise you how to make the NatHERS assessment and BASIX® certificate work for you. We'll process your report and offer practical, cost-effective ways to meet the requirements.