The apartment is as shown in the pictures, stylish and clean. It is within walking distance of many of the main sights to see in Rome and for those further to reach places like the Vatican Museums - there are two metro stations within a few minutes walking distance.
Mattia himself was a great host, and would usually be in contact within minutes after messaging him. He also helped us book a table at a restaurant for our last night in Rome when we were unable to. We also appreciated the small things such as a bottle of water and prosecco waiting for us upon arrival and some treats from a local patisserie waiting outside our room on the last night.