Ordnance Survey of Northern Ireland

Visit the OSNI online map shop to buy maps of Northern Ireland.

Spatial NI is a web based portal that facilitates sharing, using and developing geographic information.

The Pointer address database is the common standard address for every property in Northern Ireland.

Explore the origin and history of Northern Ireland and discover the location of place-names on the Place-names NI website.

Please see latest information below.

Please use the link below to see Land & Property Services (LPS) Mapping publications.

Land & Property Services (LPS) publishes information on Copyright and Intellectual Property Rights.