We stayed 6 nights at Ana Luiza's apartment. She is a very nice host, the communication was very easy and although we arrived late, it wasn't a problem. Ana prepared for us a shelve in the fridge and explained how to use everything in the apartment (kitchen/ shower, living room, wifi). The apartment was clean and has everything you need for the stay. The room has only a small window, so there is not much light coming in, but it's enough to get fresh air. Close to the apartment you'll find many tapas bars and a market, two metro lines and buses are well connected with all sights of Barcelona.
Above all, Ana Luiza has super friendly and well-behaved dog. He stole our hearts and we'll miss him :)