The apartment of Chad and Kori was a nice base for our one month stay in Barcelona. It's located between the areas Born and Gòtic, which are both very nice.
Check-in went perfectly. We had to work during the time, so the small office and very reliable wifi were helpful.
The bed was really good, we slept very well.
Unfortunately the cleanliness was not on the level we expected. Also, if you really love to cook - and plan to do it - the kitchen might not be adequately equipped.