19 BREEAM ® building research establishment environmental assessment method BREEAM certification standard is the most widely used across the world. Each building type has its own scheme. (BREEAM Courts, Ecohomes, Healthcare, Education, Offices, Prisons…). BREEAM is an easy to use certification system which permits to know a building environmental performance. This certification system helps professional to improve their environmental impact. A BREEAM certification is a proof of their implication in a sustainable environmental approach. This approach also enhances the productivity, comfort and wellbeing of building occupants.