Costanza’s guest house was very clean and we enjoyed opening the small patio doors to enjoy the cool breeze and the sounds of Rome. The guest house is simple with a comfortable bed and a small bathroom. The site describes the room and its amenities accurately. It is perfect if you are spending most of your day exploring Rome and crashing at night. But of course also good for taking a late afternoon nap.
Like other guests have noted, the walls are thin (we could hear other guests talking on the phone). But if that doesn’t bother you, the guest house is a great place to stay.
The major plus of this guest house is being so close to Termini station. We were able to take the Leonardo express from the airport and then walk to the guest house (~10 mins). We were very close to two of the metro (subway) stations that took us to the colosseum and Vatican City. We also took several trains out of town on day trips from termini station. Also on the way back to the airport there is also airport shuttle buses that are reliable and cheap (and run earlier than the Leonardo express). Having the guest house so close to a major transportation hub was perfect for us!
We would love to stay again!