We were amazed by how clean this apartment was!!! It is located close enough to the heart of old town and next to a square full of bars and restaurants. I had read previous reviews about noise disturbance during the night, but to be honest we didn't face the same issues. The apartment seemed to be well insulated. Nevertheless, I noticed that Clara has taken action on this matter by providing earplugs for those who are more sensitive than us.
The only "tricky" part regarding this place is that it is located next to a street with whorehouses. We didn't face any problem with that, since we used another street to reach our room when we realized their existence, but I thought it would be nice to know if you plan to visit Seville with your kids.