OS Open Linked Identifiers
OS Open Linked Identifiers provides authoritative relationship between UPRNs, USRNs, TOIDs and meta data to enable reliable matching; for greater data connectivity.
OS Open TOID
A dataset of unique identifiers for a wide range of landscape and built environment features, with a generalised location, extracted from OS MasterMap products.
OS Open USRN
A dataset containing all USRNs from OS MasterMap Highways Network with a simplified line geometry.
OS Open UPRN
A dataset of unique identifiers for every addressable location in Great Britain, containing all UPRNs and geometry from AddressBase Premium.