The apartment is located on the 2nd floor, 1 flight of stairs up, and is spread over two floors. There is a small balcony. 
On the main floor there is a bedroom with two single beds that can be put together to make a double bed, one flight of stairs up there is a family bunk bed (150cm wide lower bunk) at one end and 2 single beds next to the sloping ceiling at the other end there are two single beds. 
It is not recommended to be 9 people as there is not enough space around the dining table etc for 9 people, but it is possible.