Our second short stay in this apartment, and we enjoyed it quite a lot. It's a bit away from the center, which is good (quiet) but also quite a trek on foot (very easily accessible by bus or metro). The patio is quite nice (even in January), and if you're nimble, you might even snag a lemon off of the tree!
Included parking just around the corner is amazing if you are arriving by car (parking in Barcelona is complicated otherwise). Internet was good, and we had no issues in the apartment. Jesus is just a few doors down, and was very accommodating with check-in/out times.
Also, the restaurant across the street is great!