Change of use of 21 High Street from a vacant bank (Class A2) to create a Class A5 Hot Food Takeaway unit on the ground floor with associated external alterations, including the installation of new aluminium grilles associated with extraction and ventilation equipment, cold room compressors, and associated ancillary works, and creation of a residential flat (Class C3) on the first floor incorporating the demolition of first floor structures to create external terrace