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Counties and Unitary Authorities (December 2015) Super Generalised Clipped Boundaries in England and Wales

Publisher
Office for National Statistics
Updated
8 July 2026
Topic
Mapping

Summary

This file contains digital vector boundaries for counties, metropolitan districts, London boroughs and unitary authorities in England and Wales as at December 2015. The boundaries available are:

  • Full resolution - extent of the realm (usually this is the Mean Low Water mark but in some cases boundaries extend beyond this to include off shore islands)
  • Full resolution - clipped to the coastline (Mean High Water mark)
  • Generalised (20m) - clipped to the coastline (Mean High Water mark)
  • Super generalised (200m) - clipped to the coastline (Mean High Water mark)
  • Ultra generalised (500m) - clipped to the coastline (Mean High Water mark).

Contains both Ordnance Survey and ONS Intellectual Property Rights. 
Download File Sizes

  • Full resolution - extent of the realm (17 MB)
  • Full resolution - clipped to the coastline (22 MB)
  • Generalised (20m) - clipped to the coastline (3 MB)
  • Super generalised (200m) - clipped to the coastline (464 KB)
  • Ultra generalised (500m) - clipped to the coastline (160 KB).

REST URL of ArcGIS for INSPIRE View Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Administrative_Boundaries/Counties_and_Unitary_Authorities_December_2015_Boundaries/MapServer/exts/InspireView
REST URL of ArcGIS for INSPIRE Feature Download Service - https://ons-inspire.esriuk.com/arcgis/rest/services/Administrative_Boundaries/Counties_and_Unitary_Authorities_December_2015_Boundaries/MapServer/exts/InspireFeatureDownload

REST URL of Feature Service - https://ons-inspire.esriuk.com/arcgis/rest/services/Administrative_Boundaries/Counties_and_Unitary_Authorities_December_2015_Boundaries/FeatureServer

Data links

Link Format Preview Updated
Shapefile ZIP 21/4/2018
KML KML 21/4/2018
CSV CSV Preview 21/4/2018
GeoJSON GEOJSON 21/4/2018

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Additional information

Source Metadata
XML, HTML
Harvest GUID
http://geoportal1-ons.opendata.arcgis.com/datasets/0b09996863af4b5db78058225bac5d1b_3