Hans greeted us at the door and was very pleasant and energetic. He was also quite responsive.
The apartment is so very close to Sagrada, the best place to visit in Barcelona. It's on the second floor, so the trees block the view. It's also quite noisy until about 10pm, then quiets down overnight, but for conversations from the bar below. If a light sleeper, best to sleep in the room off the hallway. It is a very short walk to metro so getting to all the main sites is quite easy. There is a good grocery store just around the corner for food. The kitchen is a little sparse and could use some additional knives and cookware.
One word of caution, even though we remained diligent, we still had a phone stolen on the metro from a front pocket. When visiting Barcelona, consider only clothing with zippered pockets.