Electrical safety inspections and certification by a competent electrician, which also includes checking all electrical appliances provided to the tenant by the landlord. Energy Performance Certificates (EPCs), which must be issued at the start of every new tenancy. 

The new regulations require rental properties to have a minimum EPC rating of 'E' for both residential and commercial properties. This means that properties with ratings of F or G are considered substandard and must be improved to meet the 'E' minimum standard.