This article examines the update of ideological foundations of the largest right-wing radical party in Britain (and in the whole of Europe) - the United Kingdom Independence Party (UKIP). The subject of the research is the partys programmatic text, Manifesto for Brexit and Beyond, a document that is not limited to the discussion of Brexit alone. This document appeared at the end of 2019 and, despite the frequent change of leadership in the party during 2020, remained the ideological foundation of the organization after Brexit. The aim of the article is to analyze how the ideological base of the right-wing British radical party was formed in the socio-political realities of the initial period after the states exit from the European Union. Th...