The bishop of London had gained precedence over his fellow bishops by, at the latest, 1075. Drawing on chronicle and documentary sources, this article considers the wider role of the bishops of London within the province of Canterbury in a period extending roughly from the archiepiscopate of Lanfranc, when many of the foundations for subsequent developments were laid, to that of Baldwin of Forde, when disputes regarding London's position reached a new highpoint. In particular, the article focuses on the question of how far successive bishops of London transformed an apparent precedence of honour into a position of real authority.