Variation of condition 2 of application 2023/1029 (Proposal to reroof two portions of the Cannon Hall Museum building, including the central block and lower flat roof portion to the south east of the main structure in lead with perimeter ventilation. Thermal upgrade to roof voids by laying breathable sheepswool insulation above the attic ceiling joists in these areas. Existing roof access stair housings are to be re-clad in lead. Three failed conical rooflights are to be replaced with double glazed examples to match the existing. Removal of an existing protective polycarbonate roof above an internal courtyard and its replacement with a protective grill, also stonework repairs and repointing to the internal walls. Minor repairs to stonework on the central block including balustrading, cornicing and chimneys with the two concrete chimney caps replaced in stone. Rainwater goods to be overhauled in the re-roofed areas and new lighting as M&E drawings).

Cannon Hall Museum, Bark House Lane, Cawthorne, Barnsley, S75 4AT