In February 2012, Carson signed a new two-year contract, with the option of a further year, at Ipswich. He joined League Two club York City on 14 March 2013 on a one-month loan, making his debut in a 2–0 home defeat to Port Vale two days later. Having made five appearances for York. he was ruled out for the remainder of the season with a broken foot, returning to Ipswich at the end of his loan. He was released by Ipswich after his contract was cancelled by mutual consent on 2 September 2013, following trials with Bristol City, Notts County and Hibernian.
