Source

• Ordnance Survey Boundary Line

  Offsite — 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 [Available to buy](http://www.ordnancesurvey.co.uk/oswebsite/products/boundaryline/pricing.html) ...