The 26-year-old former England Under-21 international has struggled to secure first-team football since the arrival of Martin O'Neill, playing second fiddle to the likes of Phil Bardsley, Wilfred Bouma and, devastatingly, Aaron Hughes. "I am still in the early stages of working out where I will be next season," he told the club's website.
"I'm really excited about the thought of playing regularly again and having a new challenge on my own."