Erection of side extension and erection of first floor side extension for the installation of a lift. Internal alterations. Replacement of existing garden building to include basement with link to lower ground floor of house, store room and associated landscaping. Enlargement of the rear lightwell to form sunken garden serving the lower ground floor. Alterations to the balustrading and steps serving the raised stone terrace at ground floor level of the house. (Amended plans) (Amended description)