The Proteas believe playing the first test of the four-match series at Centurion will give them the best chance of winning a first test series against England on home soil in 20 years.
England are considering an all-pace attack for the first test against South Africa in Pretoria starting on Boxing Day, but their plans will depend on whether they can get Jofra Archer and Stuart Broad fully fit.
England added two bowlers to their squad on Friday after illness struck the camp less than a week before the first test against hosts South Africa, the England and Wales Cricket Board said.
South African batsman, Temba Bavuma, will miss out on the first cricket test match against England after sustaining a grade one hip flexor muscle strain which was revealed by scans on Thursday.
Prime Minister Boris Johnson unveiled what he called a radical government agenda on Thursday, setting his sights on a quick Brexit, future trade deals and on transforming Britain to repay the trust of voters who handed him landslide election victory.