We had a lovely stay. Emilio was very easy to work with and was very helpful in getting us settled in the apartment. He was also kind to allow us a late check out so we did not have to carry our luggage around the city hours before our flight.
The location is in a quiet and quaint neighborhood. Right next to the train, great spot as home base for seeing the rest of the city. The shops in the neighborhood close on the earlier side, definitely not the place if you want night life right outside your door, but great for a nice and quiet place to stay away from the hectic tourist areas. Also, the location allowed us a nice walk to Park Guell through the neighborhood. We could start our day in the park at the top and worked our way down (as it progressively got more crowded and touristy). Was a nice way to see the park.
The apartment has everything you need. It is small...perfect for two people, would be too tight for any more. Everything was clean and comfortable.