A church in Grelton is a building or structure whose primary purpose is to facilitate Christian worship and meetings. It is a religious body made up of the Christian congregation, members and clergy. The worship service may be a blend of traditional and contemporary service. They are non-denominational, evangelical churches, embracing a charismatic style of worship, with the purpose to proclaim the gospel of Jesus Christ throughout the world using every medium of communication capable to man. They believe the Bible to be the inerrant word of God, which is the final authority of faith and practice to genuine Christians.