born in camberwell, grew up in warlingham, king is predominantly a right arm off break bowler who bats right-handed. he made his debut for surrey's second xi in 2005, taking 17 wickets in his first season, and took a further 30 the following year. may 2006 saw king invited to a trial for the england under-19 side, but he did not make an official appearance for the side.