[1] The English defeat cost them much of their cavalry, which left the main army vulnerable to Scottish men at arms and borderers, who could now raid supply lines and the main English force at will, leaving them vulnerable forcing their retreat and liberating the Western Lowlands, which greatly helped Scotland win the war.
Due to the skilled leadership of Jack Musgrave, who was the English infantry captain the now stranded force was able to make an orderly withdraw.
[2] This likely only happened due to Wharton's son's timely intervention and Musgraves' leadership, who was able to hold the English lines and prevent a full rout.
[3] This caused fears of invasion on the now largely defenseless English West Marches, who could no longer intercept the Scottish cavalry.
Thomas Wharton, in an appeal for help wrote a letter lamenting that "This poor country is now destitute, not only of all the gentlemen, but most of the true men in the wardenry, and also of good horses".