Ignacio was a great host, he welcomed as warmly despite the fact that we arrived around 11 pm and gave us all the intructions we needed for the flat and for having fun in Barcelona. His apt is little, but perfect for the stay in Barcelona, as you will be in the flat only for sleeping. The apt was really clean, and comfortable, the neighbourhood is very good and safe, and you can find everything (shops, cafés, bus/metro stops) within 5 minutes walk, and you can be in the city center within 20 minuter by bus (I would recommend the bus from the apt instead of the metro, this line goes through beautiful places). The only annoying thing was that through the tiny walls and the door you can hear everything the neightbours do, and they can be really loud in the morning.
To sum up, I would really recommend to choose this place for your stay, the cost/value is proportional.