(I) INSTALLATION OF NEW ROOF LIGHTS IN SOUTHERN ROOF SLOPE, INSTALLATION OF FLUE IN NORTHERN ROOF SLOPE AND EXTRACTION VENTS IN NORTH/SOUTH ROOF SLOPES, EXTERNAL ALTERATIONS TO INCLUDE FIXING OPEN TIMBER GABLE END DOORS IN EAST ELEVATION AND INSTALLATION OF OPENING ALUMINIUM GLAZED DOORS, ERECTION OF EXTERNAL STORAGE AREA AND BOUNDARY WALL AND FENCES TO BUILDING U, (II) ERECTION AND SITING OF RAILINGS AND GATES ADJACENT TO NORTH-EAST AND NORTH-WEST ELEVATIONS, INSERTION OF DOOR AND FANLIGHT IN NORTH-EASTERN ELEVATION, CONSTRUCTION OF STEPS AND ERECTION OF TIMBER MEANS OF ENCLOSURE FOR BIN STORE TO BUILDING M, (III) INSTALLATION OF TIMBER DOUBLE DOORS IN SOUTH-EAST ELEVATION TO FACILITATE USE AS BOAT EXHIBITION OF BUILDING P (LISTED BUILDINGS IN CONSERVATION AREA AND SCHEDULED MONUMENT)