The apartment is really excellent (as the pictures show), well-located, close to everything (main places to visit as cathedral, alcazar and tapas bars, restaurants, rooftop as well).
Very well equipped, bright and clean. The hosts are very welcoming, friendly and helpful providing us a recap with every strategic informations to visit the city out of the typical "lonely planet way" ;)
Overall a great place to stay! If I return to Seville I'll definitely come back here.