Lower Layer Super Output Areas: 2011 Generalised Boundaries for England and Wales

Digital vector boundaries for Lower Layer Super Output Areas as of 31 December 2011 in England and Wales. The dataset contains four boundary versions, including full resolution and generalised (20m) files, with download sizes ranging from 8 MB to 357 MB. It is provided by the Office for National Statistics and contains Ordnance Survey and ONS intellectual property rights.

Use Cases

• Create census data visualizations based on the provided vector boundaries.
• Perform spatial joins with other datasets using the LSOA geography mentioned in the description.
• Generate generalised maps for publication based on the 20m or 200m clipped coastline boundaries.
• Analyze geographic patterns in England and Wales using the consistent 2011 administrative framework.

Strengths

• Provides four specific boundary versions, including full resolution and generalised (20m and 200m) options.
• Includes direct download file sizes, with the smallest super generalised file being 8 MB.
• Boundaries are clipped to the Mean High Water mark coastline for consistent coastal representation.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale statistical analysis.
• Data is specific to a single snapshot date (31 December 2011), limiting temporal analysis.

Provenance

Source

Office for National Statistics

Collection Method

Official digital vector boundaries produced for census geography.

Time Range

Snapshot as of 31 December 2011.

Freshness

Last updated 2026-07-08 13:32:59.619591; freshness should be verified.

Geography

England and Wales