One thing that's perfect for Navona's apartment - it's the location. It really is unbeatable in terms of the walking distance to the most visited sites, everything needs 15-20 minutes of walking. You could easily walk to Vatican City, the Trevi fountain, the Colosseum, the Pantheon or busy Trastevere for food and drinks. Getting to the apartment is easy using the bus which stops at the main street 2 mins away. The check-in was a self check in, Junior has clear instructions on how to do that. I must say, it is rather cold for winter. The apartment is in an old building since it is in the historic part of Rome and I suppose if it is not used for some time it's easy for it to get really cold inside. There is an electrical heater/air-conditioning in both the living room and bedroom, but this is not enough and if you turn all of them together the power is switched off. Some additional blankets would be good to have. Also shower is very small, for people over 80kg it would not fit.