R. Development consisting of a change of use of a building and any land within its curtilage from a use as an agricultural building to a flexible use falling within Class A1 (shops), Class A2 (financial and professional services), Class A3 (restaurants and cafes), Class B1 (business), Class B8 (storage or distribution), Class C1 (hotels) or Class D2 (assembly and leisure) of the Schedule to the Use Classes Order.