The apartment was really big and clean. My boyfriend arrived there before me and met Roberto who gave him the keys. The area and flat is really quiet and we had no problems sleeping well.
The location is great, we walked to center everyday and only used the metro to go to airport (metro stop is really close too) and there were lot of cute coffee shops and restaurants around. Only minor problem was the WI-FI, we needed it for working, but it was quite slow and on the second morning it stopped working and didn't work at all after that. I'm sure if we would have contacted Roberto or Elisenda about the problem, they would have tried to fix it, but we were too busy wanting to explore the beautiful city, so we decided to take an actual holiday and not work for the weekend :) I would definitely love to stay in this apartment again next time I visit Barcelona. Thank you!