We had a wonderful time at Petrutz's home. It is very clean, the bedroom is roomy, and he provides a spacious wardrobe and slippers for us to use. His home is located in the middle of where you want to be! It was the best location and it made our travels much easier. Everything is only a few minutes walk away.
The bathroom is small, but completely fine. I didn't feel cramped using it. And it was very clean at all times.
The area is a bit sketchy at night - we felt that way about the whole area near Las Ramblas.