The display energy certificate for the Food Standards Agency can be found on the Office of Government Commerce website:
www.ogc.gov.uk/government_delivery_display_energy_certificate_data.asp
From the table one can obtain the relevant record number which allows viewing of the buildings advisory report which can be found on the following website:
www.ndepcregister.com
This response only covers the agency's property in England where it is the major occupier, that is Aviation House in Holborn.