Demolition of side lean-to and existing outbuilding, Erection of a two storey rear and side extension, alterations and raising of roof to a gable at the front and rear to provide additional rooms in the roof space, sunken balcony to second floor rear and Juliet balconies to first floor, single storey rear extension and construction of a basement under this extension to include a swimming pool and a detached outbuilding to provide an outside study and games / play room