1974—1983: i distretti urbani di Braintree and Bocking e Witham, il distretto rurale di Braintree e le parrocchie civili di Boreham, Broomfield, Chignall, Good Easter, Great and Little Leighs, Great Waltham, Little Waltham, Mashbury, Pleshey, Roxwell, Springfield e Writtle nel distretto rurale di Chelmsford.
1983—1997: i ward del distretto di Braintree di Black Notley, Bocking North, Bocking South, Braintree Central, Braintree East, Braintree West, Coggeshall, Cressing, Hatfield Peverel, Kelvedon, Panfield, Rayne, Terling, Three Fields, Witham Central, Witham Chipping Hill, Witham North, Witham Silver End and Rivenhall, Witham South e Witham West, e i ward del Borough di Chelmsford di Broomfield and Chignall, Good Easter Mashbury and Roxwell, Great and Little Leighs and Little Waltham, Great Waltham and Pleshey e Writtle.
1997—2010: i ward del distretto di Braintree di Black Notley, Bocking North, Bocking South, Braintree Central, Braintree East, Braintree West, Coggeshall, Cressing, Earls Colne, Gosfield, Hatfield Peveril, Kelvedon, Panfield, Rayne, Terling, Three Fields, Witham Central, Witham Chipping Hill, Witham North, Witham Silver End and Rivenhall, Witham South e Witham West.
2010-2024: i ward del distretto di Braintree di Bocking Blackwater, Bocking North, Bocking South, Braintree Central, Braintree East, Braintree South, Bumpstead, Cressing and Stisted, Gosfield and Greenstead Green, Great Notley and Braintree West, Halstead St Andrews, Halstead Trinity, Hedingham and Maplestead, Panfield, Rayne, Stour Valley North, Stour Valley South, The Three Colnes, Three Fields, Upper Colne e Yeldham.
dal 2024: i ward del distretto di Braintree di Bocking Blackwater; Bocking North; Bocking South; Braintree Central and Beckers Green; Braintree South; Braintree West; Bumpstead; Gosfield and Greenstead Green; Great Notley and Black Notley; Halstead St. Andrew's; Halstead Trinity; Hedingham; Rayne; Stour Valley North; Stour Valley South; Three Fields e Yeldham e i ward del distretto di Uttlesford di Felsted and Stebbing e The Sampfords.[1]