Everything was cool. The neighborhood is perfect, close to the subway, markets & famous monuments as "Sagrada Familia".
The flat was large, clean, modern and the terace was big. There's an access to the rooftop which allowed us to watch the fireworks while it was the "Barcelona Mercé party".
I'd like to underline two facts: there was no spot on the terrace so it wasn't easy to see at night. The second is that the building is a lil' bit noisy so you can hear your neighbour's voices and sounds easily.