Anstis was adopted along with his twin sister as a child. His biological father was Italian and his biological mother, Gina, was English. He only met his birth parents as an adult and has commented that he was 'lucky' enough to have good adoptive parents.[3][4]
Anstis began his career on BBC1's Broom Cupboard.[5] He was the show's last presenter and also spent three years on BBC. He also worked on the music show named The O-Zone on BBC1 and BBC2. Moreover, he co-hosted Children in Need for two years running. He also presented cricket films for Grandstand, and hosted live outside broadcasts on National Lottery Live for the BBC.
In 2024 it was revealed that Anstis would be the headline act at the Big 90's vs 00's festival at Canvey Island, Essex with his Relight the 90's show.[9]