The Minimum Energy Efficiency Standards (MEES for short) has been in place in England for a number of years, this currently mandates a minimum standard of EPC for assured/regulated tenancy agreements of at least an EPC ‘E’.
SAP10.2 is now in force in England and will be in force in Scotland from December. It has been a long road to get here but already there has been issues with the software of accreditation bodies and issues with results.