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OSNI Open Data - Largescale Boundaries - Parliamentary Constituencies 2023
This is a polygon dataset consisting of the OSNI Large-scale Parliamentary Constituencies 2023, as agreed by The Boundary Commission of Northern Ireland in 2023. -
OSNI Open Data - Largescale Boundaries - NI Outline
The OSNI Largescale NI Outline is a polygon dataset consisting of the land area of Northern Ireland. The data has been derived from OSNI Largescale and has been topologically... -
OSNI Open Data - Largescale Boundaries - County Boundaries
This is a polygon dataset consisting of County Boundaries. The data has been extracted from OSNI Largescale database and has been topologically cleansed and attributed to create... -
OSNI Open Data - Coverage Grid - 10K
National Grid Reference System for Northern Ireland composed of 292 sheets and provides the naming convention for the 1:10 000 scale mapping. The 10k Grid is published here for... -
OSNI Open Data - Coverage Grid - 50K
This shows the location of each of our 50K tiles. The 50K Grid is published here for Open Data and can be used as a reference system for the download of the 50m DTM. -
OSNI Open Data - BenchMarks - Height
OSNI Benchmark data consists of point data giving the location of the points, along with the associated text which shows the height value. Bench marks are shown in metres above... -
OSNI OpenData - Gazetteer - Streetnames
This street listing contains the name and Irish Grid coordinates for all streets in Northern Ireland. -
OSNI Open Data - Gazetteer - Place Names
The Place Names gazetteer contains a geographical index of 336 towns and villages across Northern Ireland.