Communication with Ali went really smooth, he is always quick to answer any question. The apartment is very well located and quiet. The bedroom itself was clean, and it's very convenient to have a shower in it.
The minuses are regarding the common areas: it's too bad there is no sink in the bedroom itself to brush our teeth, especially taking into account the fact that the cleanliness of the sinks in the toilets can't be guaranteed; same for the one in the kitchen.
This leads me to my second point: the toilets were really, really dirty...not up to what we could have expected (even if we knew the cleanliness depends on the other people, but still...).
I hesitated between a 3 and 4 star rating because of the dirtiness of the toilets, but gave a 4 star rating thanks to the bedroom, location and communication.