yes our house is cream also...cream rendering..and it does get a bit of a mess when they are rebuilding and also I think they sit on the edge of the nest and use the drop!! as their toilet! I had only just finished the exterior painting..all lovely frersh magnolia...! when the inevitable happened! tut! yes bird poo! streaked down my lovely painted walls....fortunately our lovely weather soon washes it off
SNP and Greens end coalition deal