Data Files

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

Terms of Use - Historical GIS Data

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

UK Parliament Constituencies 1918-1950