This page provides access to GIS data files showing past constituencies.
Data files of current UK Parliament constituencies are available to download free of charge from Ordnance Survey's Data Product Boundary-Line website www.ordnancesurvey.co.uk/products/boundary-line.
UK Parliament Constituencies 5th Review 2005 - 2024
UK Parliament Constituencies 4th Review 1995 - 2005
UK Parliament Constituencies 3rd Review 1983 - 1995
UK Parliament Constituencies 2nd Review 1974-1983
UK Parliament Constituencies 1st Review 1955 - 1974
UK Parliament Constituencies Initial Review 1950 - 1955