This European Standard is applicable to specific energy audit requirements in buildings. It specifies the requirements, methodology and deliverables of an energy audit in a building or group of buildings, excluding individual private dwellings. It shall be applied in conjunction with, and is supplementary to, EN 16247-1, Energy audits - Part 1: General requirements. It provides additional requirements to EN 16247-1 and shall be applied simultaneously. If processes are included in the scope of the energy audit, the energy auditor may choose to apply EN 16247-3, Energy audits - Part 3: Processes. If on-site transport on a site is included in the scope of the energy audit, the energy auditor may choose to apply EN 16247-4, Energy audits - Part 4: Transport. NOTE This standard may cover multi-dwelling apartment blocks where communal services are supplied from a landlord. It is not intended for individual dwellings and single family houses.