We had an amazing time staying at Key's place. It was super clean, tastefully designed, and well-located to everything we wanted to walk to. Self check in was super easy and communication with Malik was a breeze. We will definitely stay here again on our next trip to Berlin!
Something that did not bother us but worth noting is the floorboards creak a lot and it's audible in the rooms. So, if you're a light sleeper or sensitive to noise this might not be for you. It's an old building and that was part of the charm staying there for us.