Hart signed for Manchester City in 2006 from Shrewsbury Town where he made 58 starts for the Shrews. The deal taking him to City was initially £600,000 but could rise to £1.5million.
He was capped at Under 19 level for England while at Town and has since made an appearance for the Under 21`s this season against Spain.
He made his first team debut for Manchester City at home last October against Sheffield United with the match ending 0-0.
This season he spent some time on loan at Tranmere Rovers making 6 appearances conceding 8.