Ok let me first say i would return as any gripes were small.
First it has a great very clean bed. Choice of pillows. As you'll mainly be sleeping here that's important.
The apartment is as you see in pictures except the blinds do open to reveal a massive window looking out onto the neighbours but also a bit of the Aventine hill. It is a great feature. You could dine here comfortably as the kitchen is great.. everything you need and clean. The area I loved ...the steep walk is pleasant..cobbled... atmospheric and safe. You can easily walk to centre of trastevere or take a tram. Bathroom a little cramped but ok. Area is quiet but you do hear plumbing noises from other apartments but it's not too intrusive. You also hear the trams but I liked that. I like to hear the noises of Rome. Response to emails is Swift and check in out good. TV is just free view so no English channels but that stops you watching it so a good thing.
Didn't need the air conditioning but did use it to heat the place one night and it worked ok. A little noisy but aren't they all. The rules are fussy but probably a good idea to thing. I didn't want to leave and would be happy to have it as a home in Rome if I could😉.