OSNI 50K Boundaries: Northern Ireland District Electoral Areas (1993)

OSNI 50k DEAs represent the District Electoral Area boundaries for Northern Ireland as they were in 1993. The dataset is published as open data under the LPS Open Government Data Licence and is available in multiple geospatial formats. Its cross-platform presence on UK and EU open data portals signals its importance for administrative and historical reference.

Use Cases

• Historical boundary analysis based on the 1993 snapshot of electoral areas.
• Administrative mapping based on the provided geospatial boundary files.
• Integrating historical electoral geography into modern GIS systems based on the available formats.

Strengths

• Provides a specific historical snapshot from 1993.
• Available under an open government license (OGL-UK-3.0).
• Present on multiple official open data platforms (UK and EU).

Limitations

• No column names or row counts are provided, limiting understanding of attribute data.
• The dataset's metadata is incomplete, lacking author and specific size information.
• The 'last updated' dates are in the future (2026), indicating potential metadata errors.

Provenance

Source

Government Digital Service (from eu_open_data platform).

Time Range

1993

Freshness

2026-07-08 13:33:11.976840

Geography

Northern Ireland