We had a great time at this place. The location was perfect and we had a lot of places to eat close by and were in walking distance to a lot of the sights.
The appartment was nice and clean. It was quite a lot of noise from the nightlife but everything quiet down at 1 am. If you are a light sleeper and like to go to bed early that might be an issue. But for us it was no problem.
The sleeping couch was wide enough for two people, but there was little padding over the wooden frame. The host promised to address this, so it should not be an issue for future guests.
All in all we had a great stay and I will definitely recommed this place to others who are looking for a place to stay in Copenhagen :)