The United Kingdom had been a part of the European integration process since 1973. The 2016 referendum, in which British citizens voted to leave the EU, could be considered as an imaginary peak of tensions between the political priorities of the UK and the EU. The article therefore addresses the attitude of two major British political parties, the Conservative Party, and the Labour Party, towards European integration during the 2015 general election campaign. The article analyses the stance of these parties towards the EU by using two typologies of Euroscepticism. The first theoretical framework of Soren Riishoj determines the content of Euroscepticism. The second developed by Aleks Szczerbiak and Paul Taggart focuses on the intensity of it...