The best thing about this place is location: ancient ruins, museums, chocolate and ice cream shops, restaurants - everything is nearby and easily reachable on foot. Living in the heart of Rome is priceless :)
The apartment itself is good. Clean bathroom, somewhat small kitchen, that is nonetheless fully functional and well equipped, bedroom and nice living room. Everything we needed to spend a week with comfort. Not every socket can be used with CEE 7/7, so do take one or two adapters. CEE 7/16 is fine though.
Unfortunately, boiler broke on our second day and we stayed 3 nights without hot water while it was being fixed. Won't blame the host for such force majeure, she handled the situation pretty well.