The OSi ‘building’ dataset includes a point geometry (ITM coordinate reference system), along with building form and function details. Please see the Geospatial Form and Function (Geoff) ontology (avaliable here) which provides explainations of the different forms and functions of the building data. The following table allows building data to be downloaded in the RDF N3 format. Currently the buildng data for County Galway is available.
Code-Point® Open contains postcode units for Great Britain, each of which has a precise geographic location.
There are approximately 1.7 million postcode units in England, Scotland and Wales. Each contains an average of fifteen adjoining addresses.
The Ordnance Survey is Great Britains national mapping agency, providing the most accurate and up-to-date geographic data, relied on by government, business and individuals.
OS OpenData is the opening up of Ordnance Survey data as part of the drive to increase innovation and support the “Making Public Data Public” initiative. As part of this initiative Ordnance Survey has published a number of its products as Linked Data.