To renew the DNI and the Spanish passport it is necessary to request an appointment. There is the possibility of renewing the passport without an appointment for urgent reasons such as an imminent trip. It is necessary to come with the photos and the amount (the price is € 26,02) to speed up the process. You have all the information in: «Documentation and necessary requirements to travel abroad«.
You have all the information in: "Documentation and necessary requirements to travel abroad".