I stayed in Fabrizio and Monica's flat for two months and it really became my home during that time.
The flat is located perfectly: Close to the metro and surrounded by caffes, restaurants, supermarkets and the wonderful mercato trionfale.
The communication with Fabrizio was great and he was always quick to answer whenever I needed help or information.
I wholeheartedly recommend this flat to anyone staying in Rome; whether that be for a long period of time or for a shorter stay.