Guido was a superb host, he arranged our transfers from the airport by Constantine who was able to drop us right outside the door.
Guido met us at the door and gave us a good tour of the apartment as well as great tips on the best places to visit and eat ( the restaurant he suggested just down the road TrattoriaIl il Tettarello has great food at very reasonable prices)
The apartment itself was lovely and clean, a really modern loft style with a mezzanine bedroom, two shower rooms an island kitchen and open plan living/dining area.
The location is excellent, a quick ten minute walk and you can look down the street at the colliseum, the Forum and Palatine hill. We walked everywhere but there is a metro station five minutes away if you want the option.
The area the apartment is in is Monti which I would describe as the Rome equivalent of Shoreditch in London, trendy with lots of small (busy) bars and restaurants.
I would recommend staying with Guido and when we, hopefully, return to Rome we will definitely try to book here first.