PROTECTED STRUCTURE: The development will consist of: part demolition of courtyard wall and construction of single-storey side-entrance extension to the east gable with a glazed roof; demolition of conservatory to the rear and construction of a single-storey extension with rooflight; construction of single-storey extension to west gable linked with new rear extension and incorporating a passenger lift and external shaft serving upper floors with new door openings at each upper level; new window at upper ground floor level at west gable at location of existing blind window; blocking up of existing windows and part removal of rear wall at lower ground floor to facilitate new extensions; replacement of modern windows to rear with facsimiles of original windows; removal of security bars to windows; removal of service lift linking lower and upper ground levels and associated repairs; blocking up of door opes and provision of new door opes to allow reinstatement of bottom of stair; new door opening between library and drawing room together with widening of passage to pre-existing modern extension and the sub-division of rear room to provide new guest WC, all at upper ground floor level; removal of non-original existing bathroom at first floor and reinstatement of existing floor level and wall enclosures together with new partitions to accommodate same; partitioning of 1st floor rooms to provide 2 no. en-suite bathrooms and dressing room; new door opening to accommodate dressing room; levelling of existing floor to rear bedroom at 1st floor level and the associated blocking up of window at half-landing level within non-original bathroom below to accommodate. Repair and re-slating works to roof, refurbishment of existing historic windows and shutters, upgrading of services; external platform lift to front; drainage, landscaping and associated works. 2 no. decorative garden gazebos and a glass house to rear garden. Alterations to pre-existing modern extension including new internal stair, rooflights, new window to rear at upper ground level, revised internal accommodation and replacement doors to garage.