Demolition of existing outbuildings and single storey rear and side extensions. Modifications internally to original listed building, and construction of new kitchen, WC and corridor extension to rear (as amended by drwgnos A-P-100 P2, A-D-100 P2, A-D-101 P2, A-D-102 P2, A-P-600 P1 and A-P-800 P2 and Heritage Addendum Report received on 15/12/21)