This secret group came together in response to the changes made to the system of electing the leader of the Labour Party at a special conference at Wembley in January 1981. It consisted mainly of senior 'right-wing' trade union leaders who wished to change the political composition of the Labour Party's ruling body and to make the party, in their view, more electorally attractive. It was so named because it initially met at the St Ermin's Hotel in London.
Hayter collected these papers, apparently from a member of the group, for research purposes (see Dianne Hayter, ‘St Ermins group (act. 1981–1987)’, Oxford Dictionary of National Biography, Oxford University Press, 07b; online edn, Jan 2013 [http://www.oxforddnb.com/view/theme/96690, accessed 26 July 2013]