Check-in was messy, we had to contact 3-4-5 (I don't even know) different people. The flat is a great location, but this is the only positive thing. Sadly there is no attention to the guest. For 5 days we only had 1 trash bag and 1 toilet paper roll. There were no cleaning tools, not even a single paper towel. Some of the dishes and pans in the cupboards were dirty. The bed was very squeaky, and one chair had a broken leg.
The bathroom was just horrible. Both the sink and the toilet were not properly attached to the walls, it's just some silicone paste. I've no idea how the shower doors were held together, could have fallen any minute. Also they did not close properly so water would go everywhere. It doesn't help that I'm tall (1.90m), but the shower was also very tiny.
Last, but not their fault, on weekends the street underneath is very noisy and the window pane is not thick at all.
Maybe good for 1 night, not more, but we surely won't be back.