The house was absolutely perfect for the 3 of us. It was very spacious, clean, and nicely modelled. Illona, the host had even created and shared with us a page where we could find instructions on how to check in and read up about Berlin and its attractions. All this helped us have a memorable 7 days in Berlin.
However, we were a little miffed at the fact that Illona didn't allow an early check-in by even an hour. We experienced the fabled German "cold" attitude while interacting with her, not the "warmth" we had experienced from hosts of our other stays.