Oh Dear! 

   
 It seems more common than you might think.  A friend has just finished cleaning up a property of his in an identical state.
  
 I was fortunate the only time I rented  out.  I had some young people in there, and they really looked after the place.  The only comments the neighbours had, was about the odd orgy that occurred - and I think they secretly wouldnt have minded attending actually.....