i-therm are specialists in producing energy ratings for buildings on the south coast. Our mission is to achieve success by stepping in our clients' shoes, ensuring a guaranteed pass in the most cost effective way to them.
Part L1A and Part L1B
i-therm energy ratings comply with Approved Document Part L1A and Part L1B of the Building Regulations.
For full details of the services we offer including SAP calculations, Energy Performance Certificates (EPC) and Code for Sustainable Homes Assessments (CSH) please take a look at our 'services' page.