Montse indeed is a very nice and friendly person. She helped us a lot, gave all the information needed, greeted us with a refreshing drink and a snack.
She owns a beautiful cat, Mica, which we absolutely loved.
The location is good, close to everything important, however the street is quite noisy. The apartment comfortable and pleasant. A nice place to stay, good base for visiting the city. And really only five minutes walk to Sagrada Familia.