UK Ward Boundaries: Generalised Vector Data

December 2018 to May 2023 digital vector boundaries for Wards in the United Kingdom. The dataset contains generalised (20m) boundaries clipped to the coastline and includes Ordnance Survey and ONS intellectual property rights. It is available via multiple web services and formats for geospatial analysis.

Use Cases

• Electoral mapping and constituency analysis based on official ward boundaries.
• Spatial aggregation of socio-economic data using the provided geometry fields (st_area, st_length).
• Creating base maps for local government dashboards and public service planning.
• Integrating ward-level data with other UK administrative geographies for cross-boundary studies.

Strengths

• Contains boundaries from multiple snapshots (Dec 2018, Dec 2019, May 2023), providing temporal coverage.
• Includes geometry fields with defined units (st_area in m², st_length in m) for spatial calculations.
• Published by authoritative sources (Government Digital Service, ONS) and available on multiple platforms.

Limitations

• Column names and full attribute schema are not detailed in the provided metadata.
• The May 2023 version is noted as being based on a draft release and potentially subject to change.
• Exact row counts, file sizes (except one 10 MB reference), and license details are not consistently provided.

Provenance

Source

Government Digital Service, Ordnance Survey, Office for National Statistics (ONS)

Collection Method

Derived from Ordnance Survey's BoundaryLine product.

Time Range

December 2018 to May 2023

Freshness

Last updated metadata ranges from 2022-09-08 to 2026-07-08, with boundary data current as of May 2023.

Geography

United Kingdom