Juan Carlos & Nina are the best hosts I have ever met from Airbnb! Our flight to Barcelona was cancelled and rescheduled due to bad weather, and Juan Carlos & Nina were very responsive and helpful in coordinating the private transfer for us, in order to make sure we could arrive the apartment successfully --- after spending all day in the airport, this is the best result we could ever have hoped for, so we are really grateful for all Juan Carlos & Nina have done for us. The apartment is very close to Sagrada Familia (5-min walk), and is very convenient to other Barcelona's spots. The rooms, bathrooms, kitchen, living room are as expected. The wi-fi and hot-water shower work fine.
Highly recommended for travelers to Barcelona!