Change of use from part retail (Class E) and part residential (Use Class C3) to a standalone casting studio/office (Use Class E) at ground floor level and a two bedroom flat (Use Class C3) above; erection of an additional floor at roof level with solar panels; formation of a roof terrace on top of the existing back addition at second floor level; demolition of existing single storey garage and erection of a part single two storey side and rear extension; installation of air source heat pump to side elevation of back addition; associated landscaping; alterations to the street facing boundary treatment; and erection of bin storage fronting Waldo Road elevation. (Revised description)