New Epc Regulations 2025 Commercial Property Regulations. A rating of c will be required for new commercial property leases from april 2025, or 2027 in the case of existing leases, and an anticipated minimum of a b rating by 2030. In addition, since 1 st april 2023, landlords have been.

This applies to both commercial and residential properties. The current suggested timetable is set out below:.