The area is great, we could walk home at midnight and feel safe in the neighourhood. It is a bit far from city centre, but easily accessible by metro.
Cristina welcomed us with lots of tips and advice (where to go, which areas to avoid at night).
Unfortunately the shower head was broken (we could not hang it) which made taking a shower a bit awkward. And to get one towel pp for 6 days is not very much.
The appartment was clean and we enjoyed our stay in Barcelona very much.