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

Digital vector boundaries for Lower Layer Super Output Areas (LSOAs) as of 31 December 2011 in England and Wales. The dataset contains four boundary versions, including full-resolution and generalised (20m and 200m) files clipped to the coastline. 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 LSOA boundaries.
• Perform spatial analysis of socioeconomic indicators using the small-area geography.
• Integrate boundary data with other datasets for regional planning and policy development.
• Generate base maps for public health or environmental studies within England and Wales.

Strengths

• Provides four distinct boundary versions, including full-resolution and generalised (20m, 200m) files.
• Contains boundaries for all Lower Layer Super Output Areas in England and Wales as of a specific date (31 December 2011).
• File sizes for download are explicitly listed, ranging from 8 MB to 357 MB.

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 2011; freshness should be verified for current applications.

Provenance

Source

Office for National Statistics

Collection Method

Likely digitized and maintained by national mapping and statistical agencies.

Time Range

As of 31 December 2011

Freshness

Last updated 2026-07-08 13:32:54.560984; freshness should be verified

Geography

England and Wales