Some friends moved out of their rented house at the end of December, having given the month's notice required. They forgot to cancel their standing order however, and paid over another month's rent by mistake at the beginning of January. The landlord is refusing to give it back! I think the left the place in good order and did not owe the landlord anything.
My friends have got legal advice which said that by paying over the money, they had made an offer which the landlord has effectively accepted and so legally he does not have to give the money back!! Is this correct? Can you legally pay money to someone by mistake in exchange for nothing??!