To set the scene, we need to go back to England in the 1650s when there were very few people who were not "Church of England". In Bluntisham, there were just a few Quaker families and they had a place for public worship, but their group was declining. Later in the century, three or four Baptist families had occasional preaching at their houses.

At the beginning of the eighteenth century, the state of religion in the established Church  was considered deplorable. Many clergy were incapable of ministering about spiritual things and there was widespread clerical absenteeism. In many parishes, there was not even a curate. However, there were soon to be many encouraging signs of new life.

In 1733 in Oxford, the 'Holy Club' was making its influence felt among many men in training for the ministry. John and Charles Wesley were beginning their work. And when in 1736, George Whitefield was ordained, the Evangelical Revival may be said to have begun. Among those influenced by Wesley and Whitefield was Henry Venn, vicar of Huddersfield, who, though himself remaining an Anglican minister, was also to plant many Congregational churches in Yorkshire. In 1771 he became rector of Yelling, about 12 miles southwest of Bluntisham, where his church became a centre of evangelicalism.

http://www.bluntishambaptist.org/Our-History/church-history