When I got back from the Falklands I received a letter from a company called Buchanan Clark and Wells (Debt Collectors) on behalf of Scottish Power saying I owed money for a property I lived in when I wasn't living there. I spoke to them and then spoke with the relevant party to email them saying I was not in that property at the time. Now they are still hounding me and ive had to once again contact people my end to sort it. My concern is that can they actually put a default against my name, which they keep threatening?