Elisabetta's place is a beautifully refurbished VERY CLEAN attic apartment.
The bathroom is large, and so is the bedroom, it is very spacious and modern, you just have to be careful not to bump your head or shoulders when you move around as the ceiling is low and that can be tricky. Other than that it is the perfect space. Elisabetta is extremely kind and helpful. Check-in was perfect, the host was even kind enough to let us leave our luggage inside (as we arrived early) and also let us check in earlier than initially agreed.
The flat is in a residential neighborhood, just two blocks away from bus 46 taking you to the center of Rome for 1.50 euro and a little further away (but still walkable distance) from one end of Metro A (Battistini Metro stop). From there you can go almost anywhere in Rome. The great thing about Rome is also that the same ticket for 1.50 that you have to buy in T or tobacco stores or even bars or small markets (they don't sell tickets on the bus) or at the machines inside metro stations, you can ride either different metro lines or combine metro and buses, as long as your ride does not go outside of Rome or exceeds 100 minutes.
I recommend staying at Elisabetta's flat if you want a spacious apartment full of modern touches, comfortable bed, good linen, good shower and a very well equipped kitchen for cooking, with a very friendly and flexible host a little bit away from the center and airport but close enough by easy transport to make its value for money reasonable.
We had a great time, we look forward to staying here again!