I found this spider hanging out at a friends house above Lanjaron, its been identified as :-

English - Cross Spider

Spanish - Araña de la Cruz

Latin - Araneus diadematus

This species of spider is "Spider of the year 2010" and is being studied by the Iberian Aracnologic Group who are collecting data and detailed pictures. If you have any data or photos on this species please either contact the group or ourselves with the details.