Please click on any of the definitions for a more detailed explanation.
The National Address Gazetteer will be a new source of gazetteer data that will be created by the Local Government Group and Ordnance Survey, who have formed a joint venture called GeoPlace for the ongoing maintenance of a single definitive national address and street database.
A Local Land and Property Gazetteer (LLPG) is a collection of address and location data created by a local authority. The data held by LLPGs is standardised to BS7666, which is then amalgamated with other LLPGs to form the National Land and Property Gazetteer (NLPG).
A gazetteer is a register of geographical information concerning places and locations, rivers, mountains and so on. This information is used in conjunction with maps, working as an index to the topographical and structure location information.
A Local Street Gazetteer (LSG) is a database of all street information. Each Local Street Gazetteer is compiled by one the 172 Highway Authorities in England and Wales. Information about the street will include many items such as its name, location, type and length.
The National Land and Property Gazetteer (NLPG) is a database containing within it over 32 million address records covering the whole of England and Wales. It is the amalgamation of all the BS7666 compliant address data held by local authorities that they have compiled within their Local Land and Property Gazetteers (LLPG).
The National Street Gazetteer (NSG) is a database that holds information about all the streets in England and Wales. In addition to the name of the street it contains information such as its type, location and length. It is compiled from the Local Street Gazetteers (LSGs) that are created by each of the 172 Highway Authorities in England and Wales.