Sabrina's apartment was absolutely perfect. Well within walking distance of everywhere we needed to be; 5 minutes from the Colosseum, 20 mins from Trevi Fountain and the Pantheon and a nice 40 minute stroll from the Vatican Museums. We never needed public transport. There are loads of restaurants and cafés nearby for a range of budgets but we particularly recommend a little place on the corner opposite the entrance to Cavour Metro (in the direction of Termini), I think it was called El Cafetiere. They have great sandwiches and do a happy hour in the evening where you can get a drink and unlimited buffet (really nice healthy options including vegetarian) for just €8.
The apartment was plenty big enough for the two of us (mum and daughter) and had everything we needed for our 5 day stay in May 2017.
Sabrina was great at communicating throughout and very quick to respond to messages. If I ever visit Rome again I will most likely stay here! Thank you Sabrina!