I had a wonderful stay with my wife and my parents in Mirta's apartment in the heart of Trastevere. Her cousin Lavinia gave us really information how to get to the apartment from the airport prior our arrival and greeted us in Trastevere to introduce us with all the apartment features.
She had the perfect advice for gluten free food - the restaurant Mama eat!
The aparment itself is very neat, every available space is used, especially in the bathrooms. So just a hint - watch your steps and be aware of a couple of steps in the rooms.
It's a perfect place to travel around the city, public transport (tram and bus) are both in walking distance and the nighttime experience of Trastevere doesn't need any explaination I think... We had a great time and would love to stay again there for our next trip to Rome. Thanks a lot!