JISC

http://www.edina.ac.uk/digimap/

Services that deliver maps and map data of Great Britain. Data is available either to download to use with appropriate application software such as GIS or CAD, or as maps generated by Digimap online. Currently the collections comprise the contemporary Ordnance Survey service (Digimap) and Historic Digimap covering the earlier period 1843-1996. Search for content on all of the JISC services websites