We stayed there with my wife during New Year holidays. Place is good. Everything as described. Charming, clean, perfect place. Vicolo del Bollo is a quiet street, but sometimes during nights, some teenagers can hang around to chat really loud, that bothered my sleep few times, once I asked them to leave and they left :). Bathroom is OK, bed is good, wi-fi works, big table, fridge, good kitchen with everything you need to cook (but we didn't :P).

I'd call it a perfect, but soundproofing could be a bit better.