There he worked with three other scholars – Wærferth, Bishop of Worcester, Æthelstan and Wærwulf – on translating Pope Gregory the Great's treatise Pastoral Care into Old English.

"[8][b] Fulk, Archbishop of Reims, praised the election of Plegmund, stating that he would help root out the last remnants of paganism in the people.

[9] However, there was a gap in time between the death of the previous Archbishop of Canterbury, Ethelred, and the consecration of Plegmund; this may have been because the see had been offered to Grimbald, a Flemish monk and scholar, who refused it.

One of Plegmund's responsibilities was to re-establish its authority, and, in an attempt to do this, between 909 and 918 he created new sees within the existing Diocese of Winchester in Crediton, Ramsbury, Sherborne and Wells.

[6] In addition to his religious duties, Plegmund was involved in matters of state and he attended the formal councils held by Edward the Elder in 901, 903, 904 and 909.