I stayed at Sebastian's place for 2 weeks. The flat is located in a very very convenient location, steps away from the old street tube station (makes it easy to go anywhere in London). The interior is just as described, guest bathroom is shared between 2 guests rooms. I stayed at the double room, can barely hear any noise from the other room, so it feels pretty private. Sebastian is a wonderful host, when I see him downstairs he is always open for chat or questions. He also always let me know when there're other guests coming, or if he is away for the night. I will strongly recommend stay in his place.