Census Merged Wards: Super Generalised Boundaries for England and Wales, 2011

Digital vector boundaries for Census Merged Wards in England and Wales as of 31 December 2011. The dataset is provided by the Office for National Statistics and contains three boundary resolutions: full extent, generalised (20m), and super generalised (200m). File sizes range from 3 MB for the super generalised version to 93 MB for the full resolution.

Use Cases

• Create thematic maps for census data based on the provided ward boundaries.
• Perform spatial analysis of demographic patterns using the super generalised (200m) boundaries for faster processing.
• Integrate administrative boundaries into GIS software for regional planning based on the 2011 census geography.
• Clip other geospatial datasets to the coastline using the provided Mean High Water mark boundaries.

Strengths

• Provides three distinct boundary resolutions with specific file sizes: 93 MB (full), 10 MB (20m), and 3 MB (200m).
• Contains boundaries for a specific, documented date: 31 December 2011.
• Includes both Ordnance Survey and ONS Intellectual Property Rights, clarifying provenance.

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 and may not reflect subsequent boundary changes; freshness should be verified.

Provenance

Source

Office for National Statistics

Time Range

As of 31 December 2011

Freshness

Last updated 2026-07-08 13:32:55.808100; freshness should be verified

Geography

England and Wales