Hart was born in Shrewsbury, Shropshire, to Charles and Linda Hart, and attended Oxon Primary School, followed by Meole Brace School in Shrewsbury, where he was Head Boy in his final year.
Hart was born in Shrewsbury, Shropshire, to Charles Hart, who sold gym equipment and Linda Hart, who was a nursery school teacher. He attended Oxon Primary School, followed by Meole Brace School in Shrewsbury, where he was Head Boy in his final year.