You got it all, it's 9m²
It sure has not the standing of BbB's parisian flat, but it's real; I've spend fifteen years in there. Seventh floor without lift ! The plank in the foreground is where the couch lies, the camera is aproximatively 1.2m above ground level. It's a... standard fridge, bigger than a bar fridge I guess.
Thought, it's over now, I moved to some bigger and nicer place, thanks

only reference used for construction is my memory.
Textually these little rooms are called "handmaid's room", they are very common in Paris on top of old buildings. Primarily the building belonged to one family, and the servants were living there, on top of everyone. Still very common, mainly rented by students. Two things: an unbeatable pov over the city's roofs, and hot as hell in summer. Roof is made of metal (Zn), sometimes heat is really crazy.

Another shot, older version of the scene ( apr 08 ).