This depends upon your Class 1 NI history but you may have pension elsewhere by being Contracted Out. You can find out your State Pension by completing a form BR19. Again, the bad news is that your State Pension will not increase whilst living in SA.

For more information you can contact Incompass here  or visit there website.  

Please note this advice relates to UK pension holders who are immigrating or moving to South Africa or have already immigrated or moved to South Africa