Carlos’ flat is quite large, pretty neat, and we felt very at ease upon our arrival. There's plenty of room for a family or two couples. It's located in Triana, the story of this area is quite interesting and the center is still accessible by foot (public transportation didn't seemed to speed things up for us most of the time).
Unfortunately we had some issues with undesirable guests: cockroaches!! It was mainly in the kitchen and we couldn’t cook as planned and had to throw some food away. Carlos tried his best to solve the problem, nevertheless we decided not to stay there for the remaining day as a safety measure. Those things happen, but we believe the host shouldn't have made his flat available at the time we rented it: a chemical treatment has been done in the building a few days before our arrival, which can be the cause of the outburst of cockroaches in the flat. Also Carlos had a fumigation done during the last day of our stay. You could smell it in the flat at the end of the day, and as we didn’t know which kind of chemicals were used (some only requests the flat being empty a few hours, others require several days) and were not comfortable with the idea of sleeping in a flat that has been treated only a few hours ago, we decided to find another place to stay for our last night.
Although our stay was noticeably compromised, we do believe it is a nice place to stay, and that Carlos is a competent host. The issue is apparently on the commons of the building, and we hope that future guests will not be affected. Still, it is our duty to share our experience to the Airbnb community.