make metal balustrades at windows anthracite grey keep materials but make realistic roof should be grey concrete tiles plain cream areas should be white render cream brick should be buff common brick in cream grey brick should be dark grey common brick add sky and background trees add weather for sunny day with slight clouds add sky and background trees far right building where brickwork shown should be cream brick dont show any brickwork solider courses or details at window heads the last gable on right hand building should remain as gre brick as shown in original image