This is the absolutely perfect place to stay in Berlin. Britta and Nicolas are extremely kind and gracious hosts. The room is spacious, clean, and comfortable. It has a comfortable bed, closet, desk, couch, and access to the balcony. The rest of the apartment is also lovely. I was traveling solo and felt very safe and well taken care of here.
It should be mentioned it is walking distance to at least 3 tram stops and accessible to countless S and U Bahn stations. The neighborhood, Prenzlauerberg, is the best neighborhood in Berlin I think. Many cute cafes, restaurants, shops, grocery stores, etc. I would stay here again in a heartbeat!