We stayed at the Sergi’s apartment for 3 nights. It was clean, renovated, comfortable and equipped with all basic assets. It is suitable for up to 4 people. By foot it takes about 5 minutes to go to the nearest metro station Alfons X and 20 minutes to Sagrada Familia. Communication with Sergi was easy.
However, there were some drawback as well. Walls in the apartment are very thin, so it possible to hear every single word neighbors say. In addition, the shower is very narrow and it is difficult to avoid flooding the floor.
In general, we were satisfied with the apartment and would recommend it to others.