Carmen was very responsive and provided all the information that we needed to find her place and to check in. The garden is even lovelier in person than in the pictures. The space itself was cozy and quiet - a perfect place to recharge after a long day. A regional train line runs very close to the flat, but inside the bedroom the noise is no bother at all; quieter than the street noise if your window were to open onto a main neighborhood street. Even lying in the hammock out in the garden I didn't find the train to be disruptive.
The flat is a short walk from food, bars, spätis, cafes, clubs etc. It's also very close to both the Frankfurter Allee and Ostkreuz stations, which makes the rest of the city so accessible. We rented bikes from Carmen during our stay and found them to be comfortable and well maintained. Javier, one of Carmen's helpers, very kindly adjusted the bikes for us and set us up with locks.