Nothing negative to say about Claudia as a host. Quick communication, flexible check-in time etc.
The apartment only gets a 3/5 though, there were some obvious things to fix sometime soon. (E.g. damaged bed and couch, blackened walls where nearby heat results in humidity etc). The building is equally worn-down. The location is great, with easy access from the airport and to the city. It's quite enough for Rome, though I still recommend some ear-plugs.
Overall: It's great for the price compared to a hotel and with some repairs in the building and apartment could score a solid 5/5.