Roberts was born in Bristol in 1973, and grew up in Westbury-on-Trym where she attended Westbury C-of-E Primary School and The Red Maids' School.
Roberts was born in Bristol in 1973, the daughter of an aeronautical engineer and an English and arts teacher. She grew up in Westbury-on-Trym where she attended Westbury C-of-E Primary School and The Red Maids' School.