Leonardo was very helpful! We booked with very little noticed and changed our plans to arrive earlier than we originally said, but he was generously enough to meet us anyway. He offered good advice about the Vatican and St. Peter's Basilica and tried to fix the WiFi which wasn't working.
The apartment backs up to a closed street (only for parking) and then a little grassy hill and has a wonderful little balcony where you can enjoy a rare moment of still in Rome!
Great place!