Conversion of a dwellinghouse (Use Class C3) into a twelve-bedroom, twelve-person Large House in Multiple Occupation (HMO) (Sui Generis); associated amenity, cycle storage, vehicle parking, and waste storage spaces; alterations to forecourt involving installation of 1.5m high boundary treatment and formation of a crossover, and to ground floor rear extension involving lowering of roof; and retention of single-storey outbuilding in rear garden, basement excavation forming a habitable basement level and light well patio, alterations to roof forming a hip-to-gable end enlargement of side roofslope and roof extension to rear of main roofslope, and alterations to side fenestration involving the enlargement of two window openings