Britain's national mapping agency. Ordnance Survey is the internationally recognised market leader in its field. We offer a wider range of products than any comparable organisation, from traditional walking maps and road maps to the large-scale maps and digital products that now make up the largest part of our business.
http://www.ordsvy.gov.uk

Address searching and street map facilities for the UK. Site also offers the following, Business Services, Pocket Streetmap, Search Tips, Great Britain Street & Road Map.
http://www.streetmap.co.uk

Free international maps, driving directions and other useful motoring information. The culmination of a 30-year evolution of mapping and technology innovation, MapQuest is the largest consumer mapping and business solutions provider, as well as one of the most popular and recognized Internet brands.
http://www.mapquest.co.uk

Charity dedicated to exploring and developing the world of maps. This Website has been created to promote all aspects of cartography to a wide range of potential users, whether B.C.S. members or not.
http://www.cartography.org.uk

A complete interactive atlas on the Web. Multimap.com is Europe's most popular mapping web site, offering a range of free, useful services to assist with everyday life. Key features include street level maps of the United Kingdom, Europe, and the US; road maps of the world; door to door travel directions; aerial photographs; and local information.
http://www.multimap.com