Once we entered the apartment, we found hair in the chairs around the big table and in the floor.
The bathroom had a significant bad smell.
There is only one A/C (basically upstairs), so the upper part could become warm after some time but downstairs it was freezing. We booked it for three, so the sofa was prepared for the 3rd person that didn't manage to sleep during the night because the apartment was too cold there (it is next to the door that it has no thermal insulation). We ended-up three persons sleeping in the bed.
The stairs are uncomfortable and not solid at all.
Overall, I do not recommend this apartment in case you are more than two during winter (especially elderly ones), you have any musculoskeletal issue or you have young children with you.
Finally, it was overpriced in relation to the comfort and cleanliness provided.
Other than that, it was ok. The location is very good, walking distance to the city center, near to metro/railway station.