Jonathan was very nice and very fast answering messages. The flat is stylish and cozy.
What should be mentioned is that there are a lot of bars on the neighboring streets, and especially a glass disposal container which gets filled and emtpied at all night times. If you are sensitive to noise, this is probably a problem.
The location is perfect, you can reach the center and most sights in the center by foot. The area has a nice holiday flair.