Unfortunately, the flat was very unclean : there was mold in the shower, what seemed like blood on the ceiling over the bathroom sink, stains on the walls and on the bedside tables... We also noticed a huge orange stain on the inside of the pillowcase. There was a very unpleasant smell in the air as well, especially in the bathroom, and it never went away even though we ventilated thoroughly during the 5 days. One of the windows would not close properly, and the mattress was very hard. Moreover, we tried to get information from Marina and Alex regarding the location of the washing machines but we never got a reply, so we had to figure it out on our own.
I will say that the flat was well situated and that the check-in and check-out procedures were very easy. It did the job for a few nights but I would not recommend staying there overall.