Just outside the building there are shops, restaurants, cinemas, supermarkets and all kind of services. 
The flat is very conveniently located since underground line A, ‘Ottaviano’ Stop is just at 300 mts. and in 5 minutes walking you can reach Vatican Museums
The historical centre is also reachable by underground and the journey up to Piazza di Spagna takes about 8 minutes. San Pietro is at only 10 minutes walking. 
The main railway station Termini is connected by underground line A and the journey is about 12 minutes, you can take also the buses to the city center. Along Via Candia there are also direct bus connections to the historical city centre and other areas of the city.
The flat is also located at a walking distance (about 25 minutes) from famous Piazza del Popolo and Villa Borghese.