I see some of these wall "artists" were fans of Kubrik's The Shining, and also loved each other's mums very much.
I don't know why abandoned houses reminds me of a post apocalyptic world that we are scavenging! I can't help but thinking that the nettles, was the house preventing people to get by.
Right now it would be easier to gain entrance. In summer the nettles go crazy here, and make it hard work for us explorers!