Change of use of vacant care home (Use Class C2) to residential dwelling (Use Class C3) with associated staff and guest accommodation; internal and external repair/refurbishment works and alterations; selective demolition; extension including orangery, staircase enclosure, creation of swimming pool with glazed enclosure, and two storey extension to service buildings in south west corner of stableyard; hard and soft landscaping works including associated structures and landscape features including reinstatement of dilapidated pond; construction of gate lodges and secondary gates to access road; removal of driveway bridge crown and repair of tunnel; provision of associated car parking; together with other associated development