From 1 April 2018 it will be unlawful to let properties with an energy performance certificate (EPC) rating below a certain level, due to new minimum energy efficiency standards (MEES) imposed by the Energy Efficiency Regulations. In a 18-minute video recorded for Practical Law, Teresa Edmund provides an overview of MEES, the timelines involved, how they apply to different parties in the commercial real estate arena and their practical implications.