The appartment is well-kept, new renovated and has lot of space to sleep. The equipment is state of the latest art, modern and without any imperfection! The location is perfect to get into or out of the city. (The nearest Metro-station is under construction at the moment, but the next is 10 Min. by feet)
However the 11th Person has to sleep on a sofa in the doorstep, where you get awakened by everyone, who uses light on the way to kitchen or WC.
It's got not enough places to eat for everyone, too.
So if you are up to 10 people, who don't eat the same time (or outdoor), it wil be perfect,