Me and my wife just stayed at Juan and Monica's room, they were amazing hosts. They had everything ready for us, the room was very clean with a great view of La Sagrada Familia from the balcony.
Their room is on the opposite side of the floor so we always had privacy, however when we got to cross paths with them, they were always so friendly.
The restroom and room were always very clean and they let us use their fridge which was always packed with water bottles for us. The Metro station is just across the street, so it is very convenient location near to La Sagrada Familia.