The Welsh were victorious, and the battle ended the traditional hegemony of Mercia over north Wales and contributed to Æthelred's decision to accept the lordship of King Alfred the Great of Wessex.
Anarawd allied himself with the Vikings shortly after the battle, but he then abandoned this alliance to follow Æthelred in accepting Alfred's lordship.
The Welsh kingdoms had been subject to Mercia since the mid seventh-century, and in 853 the Mercians received the assistance of the West Saxons to maintain their hegemony.
He was succeeded by the last independent King of Mercia, Ceolwulf II, who was presented by the Anglo-Saxon Chronicle as a puppet of the Vikings.
These kingdoms sought the lordship of Alfred the Great, according to his biographer, Asser, "driven by the military power and tyranny of Ealdorman Æthelred and the Mercians".