Hayden-Smith grew up in Chester-le-Street in County Durham and attended the Pelton Roseberry Sports and Community College.
This was agreed and Hayden-Smith moved to London to become half of the main presenting team for the afternoon slot on BBC1, a position he would continue to hold for just under four years.
The show had begun in early 2002 along with the CBBC digital channel and was originally presented by Adrian Dickson and Konnie Huq.
Hayden-Smith appeared in the episodes "Rise of the Cybermen", "The Age of Steel" and "Doomsday" as Jake Simmonds in the 2006 series of Doctor Who.
[10] In September 2015 he was on Hacker's Birthday Bash, screened on CBBC, a children's reunion show also featuring Andi Peters and Phillip Schofield.
[6] Hayden-Smith is a regular continuity announcer, mainly on ITV and ITV2 but also does voiceover work for other channels,[11] and is a contributor to Attitude.co.uk.
[12] In July 2016, Hayden-Smith joined the cast of Channel 4 soap opera, Hollyoaks, as new regular police officer, DS Gavin Armstrong, the chief inspector investigating the murder of Patrick Blake (Jeremy Sheffield).