Middle Layer Super Output Areas: England and Wales 2011 Boundaries

Digital vector boundaries for Middle Layer Super Output Areas in England and Wales as of 31 December 2011. The dataset contains four boundary variants, including full-resolution and generalised versions, with file sizes ranging from 2 MB to 191 MB. It is provided by the Office for National Statistics and contains both Ordnance Survey and ONS Intellectual Property Rights.

Use Cases

• Map socio-economic indicators based on the Middle Layer Super Output Area geography mentioned in the description.
• Perform spatial analysis using the full-resolution boundaries that extend to the Mean Low Water mark.
• Create simplified visualizations using the super generalised (200m) boundaries clipped to the coastline.
• Integrate boundary data with census statistics for regional planning and policy development.

Strengths

• Provides four distinct boundary variants, including full-resolution and generalised (20m, 200m) versions.
• File sizes are specified, ranging from 2 MB for super generalised to 191 MB for full-resolution boundaries.
• Boundaries are provided for a specific snapshot date (31 December 2011).

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 is from 2011; freshness should be verified for current applications.

Provenance

Source

Office for National Statistics

Time Range

As of 31 December 2011

Freshness

Last updated 2026-07-08 13:33:23.520538; freshness should be verified

Geography

England and Wales