PROTECTED STRUCTURE: The development will consist of: 1] the construction of a single storey, ground floor extension of 18.8m2 with monopitch rooflight to the rere of the property; 2] the construction of a single storey garden office of 12.5m2 with monopitch roof and associated external storage building of 2.4m2 with monopitch roof to the rere of site, and external bin storage building of 1.2m2 to the front garden; 3] the demolition of an existing 4m2 stand alone boiler-house in the rere garden; the removal of contemporary steel stairs, timber storage shed and childrens' playhouse in rere garden; 4] alterations to the existing house, including reinstatement of existing doorway below entrance stairs at lower ground floor level; blocking up of contemporary doorway to front elevation at lower ground floor level; alteration to existing lower ground floor window to front elevation to provide for new doorway; alteration to rere window at lower ground floor level to provide for access to new extension; new ope between lower ground floor reception rooms; new ope to west elevation of return at lower ground floor level to provide for access to proposed new extension; alterations to opes to south elevation of return; and new ope to west elevation of return at first floor level 5] replacement of existing 2-over-2 double glazed contemporary sash windows with 6-over-6 timber framed sliding sash windows at upper ground and first floor on front and rere elevations; 6] installation of 4no. solar panels on south face of existing roof [to centre valley]; 7] associated drainage, hard landscaping and planting works to the front and rere gardens.