Single private room in my flat in Reinickendorf (UNESCO world heritage area). 1 normal bed, 1 loft bed (Hochbett) for a second person (not above 80kg) Usage on own risk.
Room can be locked for privacy.
Close (2km) to Tegel Airport.
I'm living in the flat too, may sometimes not be at home. Guests are requested to assist with changing the bedding and a cleanup before check-out for next guest, when I´m not at home. Cleanliness sometimes subject to prior guest, Check-in 24/7, just call me.