This is a fantastic apartment: the location can't be beaten. It's quintessential Barcelona, but without the tourists. Nina and Guillermo are also amazingly responsive and helpful, at all hours. We love the inside of the apartment too, and despite being right in the middle of an active area, the bedrooms are entirely quiet. The beds are also very comfortable. The air-conditioning is very effective.
We would love to stay here again if and when we visit Barcelona in the future.