Pros:
• perfect location, quick connection to metro and bus. Tons of restaurants and shops nearby.
• all necessary facilities are available (stove, fridge, freezer, seasoning, coffee machine, washing machine, soaps, etc)
• as cozy as can be seen from photos
• sofas are great
• host is responsive. Although he doesn't speak English, with translation it will work.
• reliable heating in winter
Cons:
• there are a few cafes below, it can be noisy during night
• the apartment is old, it makes noise when closing the door or walking. The heater also make much mechanical noise.
• the curtains are thin and not wide enough to well cover the windows. It is still bright after closing them.
Conclusion:
The apartment is definitely a good place to stay. Unless you are sensitive to the environment (light/noise) for sleeping, I highly recommend this place.