Boundary-Line

A dataset mapping every administrative and electoral boundary within Great Britain.


This product is updated twice a year

View documentationFree to use for everyone
Data access
  • Download and API
Data structure
  • Vector
Format
  • ESRI Shapefile
  • GeoPackage
  • GML
  • MapInfo TAB
  • Vector Tiles

What Boundary-Line provides you with

Public bodies release a wealth of data relating to administrative areas. By illustrating your analysis on maps created with Boundary-Line, you'll be able to highlight the social and economic trends shaping changes in how we live and work.

View historical county boundaries

Access data showing historical county boundaries from as far back as the late 19th Century. This is ideal for analysing old census records and archives.

A robust framework

Monitoring outcomes by area is key for public bodies. Boundary-Line gives you a robust analytical framework to ensure the right communities get the right resources.

Professional quality, free of charge

Mapped at a scale of 1:10 000, Boundary-Line is quality-assured to the same standard as our premium products. You can download it for free.

Use cases

  • Bring statistics to life and show differences between regions or councils using easy-to-read shaded maps.
  • Visualise your analysis to highlight social and economic trends shaping changes in how we live and work.
  • Enables analysts to perform demographic segmentation and trend analysis, linking boundary data with census and other statistical datasets. 

A dataset mapping every administrative and electoral boundary within Great Britain.


This product is updated twice a year

View documentationFree to use for everyone
Data access
  • Download and API
Data structure
  • Vector
Format
  • ESRI Shapefile
  • GeoPackage
  • GML
  • MapInfo TAB
  • Vector Tiles
  • OS Boundaries

    Access the administrative and electoral boundaries for England, Wales, and Scotland.

  • OS Open Built Up Areas

    The statistical geographies used by Government departments to analyse census data, deliver on policy and improve services.