It was really perfect stay! Nikolai and his brother were extremely kind and the communication was very easy and perfect. As Nikolai was away due to travel, his brother helped me for early checkin and bring my luggage.
The location is very close to tram(almost 1-3 mins from the building) so I felt very safe to come back home at night. Going to the city centre takes only 10+ mins by a tram and it was very convenient to travel around in Berlin.
The room was very bright, clean, cosy and super spacious! The bed was comfortable and it has enough space to unpack my luggage and hang your clothes. The wardrobe has really big mirrors, which is a big plus to me :) I’d definitely come back here if I visit Berlin again!