Our house has rendered painted walls - and all over the walls GREEN THINGS have started growing. Then slugs and snails have wandered over the GREEN THINGS and made weird little tracks all over the walls.
Last time the house went green, we had it painted. If I remember rightly, the painter cleaned it all beforehand with soapy water with a sponge and a bucket. but then he was a man who thought nothing of whizzing up and down perilously balancing on ladders.
The paint still seems in good condition, so I'm kind of thinking rather than painting again, it would be nice to just give it a good wash. But how do you wash a two story house? I can wash the bottom of it, but how do you get at the top half?
Any cunning ideas or ingenious tips?