Variation of condition 7 of planning permission PL/19/2110/FA (Part single storey, part two storey front extension with dormer window and balcony, rear first floor extension incorporating 2 dormers, single storey side extension with balcony and glass balustrading above, and demolition of existing chimney and erection of new chimney. New driveway, hardstanding and landscaping (amendment to approved scheme ref. PL/18/4153/FA)) to allow changes to layout and windows including additional dormer and rooflights