Lower Layer Super Output Area (2001) to Ward (2002) Lookup in England and Wales

Office for National Statistics provides a best-fit lookup table between 2001 Lower Layer Super Output Areas (LSOAs) and electoral wards/divisions as of 31 December 2002. The dataset is licensed under OGL-UK-3.0 and was last updated on the platform in July 2026.

Use Cases

• Mapping demographic statistics from the 2001 census to 2002 ward boundaries based on the best-fit lookup.
• Analyzing changes in administrative geography between 2001 and 2002 based on the crosswalk relationship.
• Aggregating small-area data for electoral analysis based on the LSOA-to-ward correspondence.

Strengths

• Dataset is provided by the authoritative Office for National Statistics.
• The lookup is explicitly defined for a specific date (31 December 2002).
• License (OGL-UK-3.0) permits open use and redistribution.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Freshness should be verified as the underlying data is from 2001/2002.

Provenance

Source

Office for National Statistics

Collection Method

Likely created through a best-fit geographic matching process.

Time Range

2001 LSOAs to wards as of 31 December 2002.

Freshness

Last updated 2026-07-08 13:32:49.841001; freshness should be verified

Geography

England and Wales