This file contains the digital vector boundaries for Westminster Parliamentary Constituencies in Great Britain, as at December 2018. The boundaries available are: (BFE) 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).Contains both Ordnance Survey and ONS Intellectual Property Rights. Download File SizesFull resolution - extent of the realm (37 MB).REST URL of ArcGIS for INSPIRE View Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Electoral_Boundaries/Westminster_Parliamentary_Constituencies_December_2018_GB_BFE/MapServer/exts/InspireViewREST URL of ArcGIS for INSPIRE Feature Download Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Electoral_Boundaries/Westminster_Parliamentary_Constituencies_December_2018_GB_BFE/MapServer/exts/InspireFeatureDownload REST URL of Feature Access Service – https://ons-inspire.esriuk.com/arcgis/rest/services/Electoral_Boundaries/Westminster_Parliamentary_Constituencies_December_2018_GB_BFE/FeatureServer