He studied geography at Oxford University and was a member of the all-male a cappella group Out of the Blue.
He and bandmate Joel Fishel share the YouTube channel Jack and Joel. The channel has earned more than 30,000 subscribers through song covers, vlogs, tour diaries, and more.
He has a brother named Billy. He began dating fellow X Factor contestant Holly Tandy in 2017, but the two later parted ways.