The Tiber apartment was very well located, walking distance to the central tourist areas, and the cool restaurants and bars around Trastevere. We loved the location - and did a food tour around the Testacchio area. The apartment was a great size for four, being spacious and clean with cool mid-century details.
We had a major delay with our tour prior to our arrival in Rome, so had some initial trouble communicating with Lina - but was resolved eventually. She had waited in the apartment for our arrival for a few hours.
Though we loved the flats central location, it is on the main road by the river, so a couple of people in our group were light sleepers so had trouble sleeping.

Otherwise would recommend staying here!