The flat is pretty far from the center, but you can get to it easily with the bus (104, 194 and N94 at night)
The sleeping room is pretty uncomfortable because of the lights of the backyard getting switched on every time someone enters the building (very very often, even at night)
It's not a 2 persons sized bed, just two small beds with a gap between the two.
Otherwise, the appartement is pretty large, and has just the necessary to do your own kitchen. It's
The WiFi works fine and Stephan is really good at giving instructions and tips about the city. He remained available for all our problems
(The hot water issue you can read in the commentaries in January is still there in July..)