I was happy with my experience. I will try to give a fair review. Positives: perfect location (center of barcelona), spacious bed, positive welcome and atmosphere, if you ask for anything they will be more than happy to help you out. Negatives: bathroom is very small, walls and doors are thin so the room is not really sound proof (I didn't mind but I'm sure if you ask they will keep the sound low), as with most apartments in barcelona the insulation is not great so it can get chilly in the apartment. Lastly you need to keep in mind this is someone's home and not a hotel so manage your expectations. Overall good experience, would definitely come back :)