Output Area Boundaries for England and Wales, December 2011

Digital vector boundaries for Output Areas in England and Wales as of 31 December 2011. Contains three boundary versions: full resolution (extent of the realm), full resolution clipped to the coastline, and a generalised (20m) clipped version. The dataset is provided by the Office for National Statistics and contains both Ordnance Survey and ONS Intellectual Property Rights.

Use Cases

• Create census data visualizations based on the provided Output Area boundaries.
• Perform spatial joins of demographic statistics based on the geographic units.
• Generate maps for regional planning based on the clipped coastline boundaries.
• Simplify geometries for web mapping applications based on the generalised (20m) version.

Strengths

• Provides three distinct boundary versions for different use cases.
• Specific file sizes are listed: full resolution (666 MB), full resolution clipped (665 MB), and generalised (46 MB).
• Contains authoritative data from the Office for National Statistics and Ordnance Survey.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Data may reflect geographic bias inherent to uk_data.
• Freshness should be verified; the data snapshot is from 2011.

Provenance

Source

Office for National Statistics

Time Range

Snapshot as of 31 December 2011

Freshness

Last updated 2026-07-08 13:33:28.239147; freshness should be verified

Geography

England and Wales