About Us The Diocese of Chelmsford serves the people of Essex and East London and the 460 Church of England parishes and 140 church schools in this region. The average weekly attendance of adults, young people and children is about 40,000 in our diocese. More than 6,000 extra adults and children attend a 'fresh expression of church' - a new form of church. The lives of 100,000 young people are touched through church schools and other groups. Find out about our strategic priorities. Our address is: 53 New Street, Chelmsford CM1 1AT Call: 01245 294400 How to find us Contact our teams and let us know if we can help you. If you are unsure who can answer your enquiry please contact our Reception. Stay in touch by signing up to an E-bulletin.