Filming Location: Plaza de la Iglesia, San Ferdinando

In the film Locke and the Girl visit "Plaza de la Iglesia" - she reads the location as being in "San Ferdinando" from his schedule book. The place is a dry dusty geometric experimental architecture town - does this place still exist?
Does anyone know where it is in Spain? I can't find a Plaza de la Iglesia in "San Ferdinando" - just wondering. I think the filming location is visually interesting and just wanted to learn more.