He said he would continue to self-isolate and work from home.
It is understood Mr Javid met Boris Johnson on Friday. It is not clear yet whether the prime minister will have to isolate.
Meanwhile, England's deputy chief medical officer, Prof Jonathan Van-Tam, has warned of a "bumpy winter" ahead.
It comes as the UK recorded more than 50,000 daily cases for the second day running, days before almost all legal restrictions on social contact are lifted in England on Monday.