The location of the flat is great (although it's closer to 600 m from the Colosseum, not 250 m), the bed is very comfortable, the wi-fi works very well. The book of information about the neighborhood and the flat is very thorough. The decorations are charming, and the whole place is a little funky.

It IS dark inside, and, as others have said, the couch is not there, so sitting is not completely comfortable, but, hey, you're in Rome, so get out and enjoy the city!