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Boundary-Line™


Boundary-Line™


About the product


Boundary-Line is a specialist dataset of voting and administrative boundaries. The information is represented as vector digital data. It provides a full hierarchy of boundaries from district, wards and civil parishes (or communities) up to parliamentary, assembly and European constituencies.

The boundary information is upgraded twice a year, in May and October. The May release contains the boundaries that become 'live' in the first week of May, in that current year. The October release contains the May boundaries plus additional information. Customers can choose either May or October release.

For all technical and product related queries relating to Neighbourhood Statistics (Ness) and Output Areas please visit the Office for National Statistics (ONS) web site; for Commercial Licence information please email the partner licensing team

Office for National Statistics | Email partner licensing team


Features and boundaries incorporated in Boundary-Line


  • Counties
  • Unitary authorities
  • Districts
  • District wards
  • Civil parishes and communities
  • European constituencies
  • Parliamentary (Westminster) constituencies
  • Electoral divisions
  • Extent of the realm (low water mark or seaward boundary extension)
  • High water mark
  • Unique identifiers for administrative areas, polygons and links
  • Area measurements
  • Definitive names
  • Census codes

Features and benefits


  • A detailed and definitive boundary dataset for Great Britain suited to multiple applications using a GIS, CAD and digital mapping systems.
  • Structured vector format, offering maximum functionality.
  • Derived mainly from 1:10 000 scale Boundary Record mapping.
  • Area values for every polygon.
  • Census Agency codes (where available) allow you to link Boundary-Line polygons with census statistics.

Suggested applications


  • Development and land use planning.
  • Environmental impact analysis.
  • Vehicle routing.
  • Asset management.
  • Marketing analysis

Census Output Areas


Census Output Areas are the definitive polygon geography for the 2001 Census results. Created by the Office for National Statistics (ONS) for England and Wales, and the General Register Office for Scotland (GROS), their purpose is to link census data to geographical areas.

The data for England and Wales are available by direct request from ONS by email to: census.customerservices@ons.gov.uk and the data for Scotland are available from GROS, email customer@gro-scotland.gov.uk

Output Areas incorporate some elements of data in which Ordnance Survey has intellectual property rights. Royalties for these parts on behalf of all users have been borne by ONS and GROS. This payment allows use by other organisations exclusively for internal business use and results in no supply charge to end users. For full details of license use and conditions please contact ONS and GROS at the email addresses listed above.


How to order Boundary-Line™ data


Prices are set out in the following documents:

1:50 000 Scale Gazetteer pricing structure (45 Kb PDF) | Business Portfolio price list (236 Kb PDF)

To order UK coverage online click here
To order coverage for England only online click here
To order coverage for Scotland only online click here
To order coverage for Wales only online click here

Boundaryline data consist of a number of elements which you can order individually for example Ward Boundaries.

If you would like a quotation prior to placing an order or would like some advice, please email us with a brief of what you require or call 01280 840785