Nice place: spacious, good location, good value, and great communication. I gave it five stars, but I would like to mention two points:
* It's next to a busy metro line (M-1) so it can be a bit noisy when trains pass during the day (nothing too bad, but I don't think this is mentioned in the listing).
* It would be nice to have one or two extra trash bags (instead of being forced to buy 10 for 20chf). As far as essentials, it would also be nice if basic kitchen salt was provided.