[1] It brings together Anglicans in the British Isles who are concerned to maintain a traditional position on controversial issues.

[4] Anglican Mainstream is concerned about a number of social issues including abortion and end of life issues, the status of marriage and family, evangelism, the cultural challenge of secular society and general Anglican church life in Britain and overseas.

Liberal pro-LGBTQ+ rights groups such as Changing Attitude have been particularly opposed to Anglican Mainstream, especially over their scientific stance that sexual orientation is an unalterable fact of human nature.

[5][6] In 2012, Anglican Mainstream was part of a coalition of Christian groups intending to run a two-week campaign in which some London buses would carry an advertisement reading "Not gay!

The intention was to draw attention to the existence of ex-gays and the possibility of change, a claim which is contradicted by mainstream psychologists.