Middle Layer Super Output Areas: England and Wales Boundaries from 2001

Digital vector boundaries for Middle Layer Super Output Areas in England and Wales, as at 31 December 2001. The dataset contains three boundary versions: full resolution (extent of the realm), full resolution clipped to the coastline, and a generalised (20m) version clipped to the coastline. It contains both Ordnance Survey and Office for National Statistics intellectual property rights.

Use Cases

• Create demographic maps based on census data aggregated to Middle Layer Super Output Areas.
• Perform spatial analysis of socioeconomic indicators using the provided vector boundaries.
• Generate visualisations for regional planning and policy development based on the 2001 administrative geography.

Strengths

• Provides three distinct boundary versions for different use cases, including full-resolution and generalised (20m) options.
• Contains intellectual property from authoritative sources: Ordnance Survey and the Office for National Statistics.
• Specific file sizes are provided for each boundary version, aiding in download planning.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Data reflects a specific snapshot from December 2001 and may not represent current administrative boundaries.

Provenance

Source

Office for National Statistics

Time Range

As at 31 December 2001

Freshness

Last updated 2026-07-08 13:32:45.680466; freshness should be verified.

Geography

England and Wales