Great communication, very easy to check-in and -out! Apartment is perfect if you just plan to sleep there and want some privacy (as both the room and bathroom are not connected to the other flat). For me personally, the bed was a bit uncomfortable and noisy. But the bathroom was spacious and clean. Further, you have to be aware that the apartment is on the 6th floor without an elevator. I felt like I got used to it quite quickly, but if you bring a lot of luggage it can be a bit of a hassle.
But overall, I had a good stay at Marie's place and would recommend it!