The latest changes to the Government's Minimum Energy Efficiency Standards confirm that privately rented non-domestic buildings over 1,000 m² will be required to reach EPC B from 2031, subject to cost-effectiveness and exemptions. The previously proposed 2027 EPC C milestone will not be taken forward. While these changes give commercial landlords more time, the engineering challenge remains the same. For larger buildings, achieving EPC B is likely to require more than simply