Official Ordnance Survey polygons showing Borough boundaries and reference code to link to national statistics.2018. Data is an extract from Ordnance Survey Boundary-Line product which 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. The information is represented as vector digital data. The boundary information is updated twice a year, in May and October. The May release contains the boundaries that have become live in the first week of May, in the...