After climbing two stepladders – one placed on a sloping roof – and struggling up onto the guttering, it's no wonder he's weary

Actually, wait – we think he's just replacing some roof tiles. Well, at least the roof of the one-storey extension will save him falling all the way to the ground in one go. Thanks to Mike Butler, who snapped this reckless chap in Chalfont St Giles.

Man leaning on roof