When moving out of a property you have been renting, letting agencies would usually ask you to make sure the premises are cleaned up. And they are very picky about it. If you don't want to do the whole cleaning again and again, you need to ensure that the following house/flat areas are cleaned carefully and thoroughly: oven, refrigerator, washing machine door, window frames, door tops, light switches, radiators' wall side, wash-basin, front door, kitchen tiles and especially the entire bathroom. If you clean those in detail and perform a deep cleaning on the rest of the house you should have no troubles moving out for good! Good luck!