How to apply for a visa. Www.ukba.homeoffice.gov.uk/sitecontent/documents/out-of-country/visitors.pdf. Visa4UK - our online system for visa applications. New Visa Application. Visa application fees and guides in South Africa. Visa processing times in South Africa. Visa processing times in South Africa This page explains how long you can expect to wait for your UK visa application to be processed if you have applied in South Africa. Service standards We have service standards for processing UK visa applications in South Africa. Our standards say that we will process: