David Chipperfield Architects has submitted a detailed planning application for a £15m gallery of Barbara Hepworth sculptures in Wakefield, west Yorkshire. The competition-winning proposal is intended as a focal point of FaulknerBrowns’ masterplan to regenerate a collection of historic mills, warehouses and a chapel at the head of the River Calder. Wakefield council is client, Whitbybird is structural and services engineer, Arup is lighting consultant and Davis Langdon is quantity surveyor.