Hurst helped Scunthorpe race to the League One title

The clubs have agreed a �200,000 for the winger, 21, who has enjoyed a successful loan spell at Glanford Park.

Hurst, who will complete a permanent switch at the end of the season, has made 12 appearances for the Iron since joining them at the end of January.

Blades boss Neil Warnock told his club's website: "He will have been thrilled to achieve promotion and we wish him well in the Championship."

Hurst had begun the season on loan at Scunthorpe's League One rivals Chesterfield, where he has had three separate loan spells.