You leave the cottage i the same shape it was when you arrived. If you don't want to do the final cleaning you can pay an extra fee instead - SEK 300 The final cleaning includes vacuum cleaning, wet drought of floors and dusting. You do the rest of the cleaning yourself.
Yo will find more information about the cottage and cleaning instructions in the cottage.
N.B. The accomodation is also available for reservation through Airbnb.