I returned from a week's stay in a holiday cottage last week, and have just had an email from the company saying that the owner phones to say the cottage was left in an "Unsatisfactorily clean manner" and that the work surface had marks on it from a pan and can I send a cheque for £50 please. The cottage was left perfectly clean. We were only there for 1 week, made little mess, did all the washing up, wiped the surfaces and made the bed. All that needed doing was the usual clean over for the next guests and a vacuum. As for the marks, I cannot remember making them but do put pans down on my work surface all the time - it has never, ever marked from a pan. What would you do?