OSNI Large-scale Boundaries: Land Area Polygons of Northern Ireland

OSNI Large-scale boundaries is a polygon dataset representing the land area of Northern Ireland. The data was extracted from the OSNI Largescale database, topologically cleansed, and attributed to create a seamless dataset. It is published by OpenDataNI under the OGL-UK-3.0 license and was last updated on 2026-07 08.

Use Cases

• Create base maps for regional planning based on the seamless polygon dataset.
• Perform spatial analysis of land area statistics based on the topologically cleansed boundaries.
• Integrate boundary data into geographic information systems for visualization based on the available geospatial formats.

Strengths

• Data has been topologically cleansed to create a seamless dataset.
• Available in multiple geospatial formats including SHP, KML, and GEOJSON.
• Published under the permissive OGL-UK-3.0 license.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.

Provenance

Source

OpenDataNI

Collection Method

Extracted and cleansed from the OSNI Largescale database.

Time Range

null

Freshness

Last updated 2026-07-08 13:32:13.585795; freshness should be verified.

Geography

Northern Ireland