Silecroft is in the parliamentary constituency of Copeland, Trudy Harrison is the Member of Parliament. For Local Government purposes it is in the Black Combe & Scafell ward of the Borough of Copeland and Millom Without of Cumbria County Council. The local planning authority is the Lake District National Park Authority. Silecroft does not have its own parish council; instead it's part of Whicham Parish Council.
