We stayed in Ulriks place for a weekend away. His instructions to find the flat were spot on and we didn't have any problems. The flat is of a decent size and the bed was really comfortable.
We were comfortably able to walk to and from the main tourist areas from the flat. It was close enough for that but was generally quite peaceful otherwise.
I wouldn't hesitate to recommend this apartment to anyone. Be aware that it is on the 5th floor and there is no lift. There are seats on each floor should you get a bit out of breath though.