Alfonso and his family were very hospitable and kind (his son Rodolfo speaks English fluently)! Alfonso explained how to get to the house, met us halfway from the bus stop and explained how everything in the room worked.
The house is located not far from the bus stop with a supermarket right near it, but the bus arrives every 30min-1hour depending on the time of the day and it takes about 40 minutes to get to a Metro station (EUR Fermi) and then some time to get to the desired station by Metro. So you need to take that into account when planning your trips to/from Rome city centre.
The room itself was quite spacious with fully-equipped kitchen and shower. Alfonso and his wife even complimented us with some treats for breakfast!