Nil was very understanding, I had to change my reservation twice, once for personal issues, and then because my flight has been cancelled). I arrived at 2am and Nil was there to show as to the apartment. So thank you Nil!
The place is ok, except the fact that in the mornings you will hear noises from the neighbours. If you don't mind that, then everything's fine.
The apartment is in walking distance from Camp Nou, but to get anywhere else you have to take the metro (there is a station nearby). All in all, it was as expected.