Variation of the conditions 2 (materials) and 17 (drawings) of 18/03418/FUL (Demolition of buildings on the site to redevelop the site to provide 6 residential units (Use Class C3) within 5 new detached residential units and a retained, refurbished and converted Grade II listed building with associated landscaping works) with amendments to roof materials and the design / material notes on the approved drawing of the Plot 3.