Gemma and Carlos are amazing and friendly hosts. We really liked their place. Very, very clean, comfortable and well equipped (towels, soap, shampoo, coffee, tea, spices, olive oil, etc.) All you need and beyond. There were also juice and Gazpacho waiting for us in the fridge.
The location is just perfect. Close to all major attractions, restaurants, bars, shops and metro station. I definitely recommend staying here.