Output Area Boundaries for England and Wales, December 2011

December 2011 digital vector boundaries for Output Areas in England and Wales, provided by the Office for National Statistics. 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 ONS Intellectual Property Rights.

Use Cases

• Create census data visualizations based on the provided Output Area boundaries.
• Perform spatial joins with other datasets using the generalised 20m clipped boundaries.
• Analyze coastal and inland administrative extents based on the full-resolution boundary options.
• Integrate boundary data into GIS software using the provided ArcGIS REST service URLs.

Strengths

• Provides three distinct boundary versions for different use cases, including a 20m generalised version.
• File sizes are explicitly listed, with the generalised version being 46 MB, facilitating download and processing.
• Contains intellectual property rights from both Ordnance Survey and the Office for National Statistics, indicating authoritative sourcing.
• Multiple access methods are provided, including direct download links and ArcGIS REST services.

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 specific to a single snapshot date (31 December 2011), limiting temporal analysis.

Provenance

Source

Office for National Statistics

Collection Method

Likely digitized and generalized from Ordnance Survey mastermap data.

Time Range

As at 31 December 2011

Freshness

Last updated 2026-07-08 13:31:51.084231; freshness should be verified.

Geography

England and Wales