The apartment is nice and clean, and Su was very kind and polite to us. She met us in late hour because we had the late flight. There are two rooms and big bathroom equipped with everything you may need. however there is no the kitchen with oven so you won't able to cook smth for you considering that there are no good cafes around which work until late. There is only one pizzeria on the same street but other guests didn't advice it to us because of bad food and high price so we didn't stay trying to find a shop in the area, that we could hardly succeed. Everything is closed after 8 pm. It's incredible for Russian people.
Consider that the location is out of historical centre and you will have to take a train and go 1 station or go to the centre by bus or taxi.
But It's clean and quiet in the flat and the price is cheaper than in the central apartments so I could recommend it to others.