Ordnance Survey Boundary Line

About

Boundary-Line is a specialist 1:10 000 scale boundaries dataset. It contains all levels of electoral and administrative boundaries, from district, wards and civil parishes (or communities) up to parliamentary, assembly and European constituencies.

Access/re-use

As of May 2011 this data is open and free to use and reuse.

Previously was Available to buy from Ordanance Survey from £100-£7000.