Often contains premise and thoroughfare information.
These 3 address lines plus the Post Town and Postcode represents all the information needed to reliably identify a premise according to Royal Mail. With each address lookup, the API will automatically aggregate all the available addressing information for any given premise into a reliable 3 lined address format which meet Royal Mail’s clear addressing specifications. Postcode Address File dataset results are labeled with paf. Our APIs return all data contained in Royal Mail's Postcode Address File.