The referendum on the UK’s membership of the EU is a decision that will be taken in a troubling context. Although occassionally clothed in an inclusive language of globalism, ‘leave’ is part of an agenda of withdrawal, isolation and retreat. The detrimental impact of a ‘leave’ vote is plain – even in this age of post-truth politics. Here I want to focus on three points. All involve the dangers of human rights and human relationships across these islands in the re-emergence of narrow forms of British nationalism in the UK.