OSNI Open Data product list

You can access and download some OSNI products free of charge. OSNI Open Data products are free to download, use and share with an Open Data licence.

Using Open Data

OSNI Open Data gives you free online access to mapping products which you can use to:

  • analyse data
  • build interactive web sites and apps
  • create images, charts and graphics

Go to OSNI Open Data portal 

OSNI products in Open Data

In the Open Data portal you can download free OSNI products listed below.

OSNI Open Data 1:1 000, 000 scale raster

This raster is the smallest scale OSNI raster product giving an overview of Northern Ireland.  It shows main roads, towns and cities, mountain areas, parliamentary and county boundaries, suitable for background mapping.

OSNI Open Data Bench Mark and Spot Height data

This data contains locations and values for bench marks and spot heights in Northern Ireland. This data should be used only as a guide. Current height information is contained in the OSNI Digital Terrain Models.

OSNI Open Data street name gazetteer

This street listing contains the name and Irish Grid coordinates for all streets in Northern Ireland.

OSNI Open Data placenames gazetteer

A gazetteer is a geographical index. The placenames gazetteer lists 336 towns and villages in Northern Ireland.

OSNI Open Data boundary map, regional map and global map

Three fully attributed small scale reference datasets to the European Spatial Data Infrastructure and form part of the EuroGlobalMap, EuroRegionalMap and EuroBoundaryMap products. These datasets that contain Northern Ireland data, are ideal for a range of planning, monitoring and presentational uses, including environmental policies, marketing planning and network analysis.

OSNI Open Data street maps - raster

OSNI street maps show detailed information, including road names and one-way systems, railway lines, car parking, public telephones, public buildings, churches and schools, for Northern Ireland’s main cities and towns.

OSNI Open Data 1:50, 000 administrative boundaries vector

The boundary data at 1:50, 000 scale contains information for counties, townlands, current 2008 parliamentary constituencies and 1993 administrative boundaries for local government districts, district electoral areas and wards. The data is suitable as an overview rather than detailed analysis.

OSNI Open Data largescale vector boundary data

OSNI largescale boundary data includes distinct historic and administrative boundaries. It contains county and townland boundaries as well as administrative boundaries for current 2008 parliamentary constituencies, and historic 1993 and current 2012 local government districts, district electoral areas and wards. They are accurate at property and street level making them suitable for detailed analysis purposes.

OSNI Open Data Éire Thuaidh (Ireland North) 1:250, 000

This digital image is a map of Northern Ireland showing placenames in English and Irish.

OSNI Open Data local government districts and wards 2012 - raster

These raster maps show the current 2012 administrative boundaries for local government districts and wards.

OSNI Open Data parliamentary constituency 2008 - raster

A set of raster maps showing the boundaries for current 2008 parliamentary constituencies and wards. The 2008 parliamentary constituencies are based on 1993 wards.

OSNI Open Data 1:50, 000 road network vector

OSNI 1:50, 000 road network vector includes roads and rail detail for all Northern Ireland. The data includes railways, motorways, A class, B class and minor roads.

OSNI Open Data 1:50, 000 townland - raster

This set of raster maps at 1:50, 000 scale shows base mapping with settlements, roads, townland names and boundaries.

OSNI Open Data 10m and 50m digital terrain models

A digital terrain model (DTM) is a digital file with a grid of regularly spaced points of known height which, when used with other digital data such as maps or orthophotographs, can provide a 3D image of the land surface. OSNI Open Data 10m and 50m digital terrain models are available.

OSNI Open Data midscale raster

A series of maps at 1:10, 000 scale show base mapping for Northern Ireland. These raster maps can be used with other maps or information to enhance the mapping.

OSNI GPS Rinex Data

This service, hosted by Ordnance Survey Ireland, provides a free download of data collected from the GNSS (Global Navigation Satellite System) stations across Northern Ireland and the Republic of Ireland. It contains hourly RINEX GNSS files.

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