He retained his place in England's one-day side throughout the summer of 2004 despite a knee injury, and scored an unbeaten 79 in the second match of the NatWest Challenge against India at The Oval, with England winning the series 2–1. Collingwood was also England's second highest run-scorer in the 2004 ICC Champions Trophy, scoring 141 runs at an average of 70.5, which included an unbeaten 80 in the opening game against Zimbabwe. He played in all 11 ODIs against Zimbabwe and South Africa, and was then named in the England Development Squad in May 2005, and the 14-man squad for the NatWest Series against Bangladesh and Australia and the NatWest International Twenty20 against Australia that summer.