The constituency comprises
Loughton,
Epping,
Waltham Abbey,
Chigwell,
Buckhurst Hill,
Theydon Bois, part of
North Weald, small intermediate villages and almost the whole of
the ancient Forest itself, except those parts which were transferred to
Greater London in 1965.
1974–1983 • The Urban Districts of Chigwell, Epping, and Waltham Holy Cross; and • The Rural District of Epping and Ongar parishes of Epping Upland, Theydon Bois, and Theydon Garnon.
The majority of the new constituency, comprising the Urban District of Chigwell (incorporating Buckhurst Hill and Loughton), had previously been part of the abolished constituency of Chigwell. Remaining parts had previously been in the abolished constituency of Epping. 1983–1997 • The District of Epping Forest wards of Broadway, Buckhurst Hill East, Buckhurst Hill West, Chigwell Row, Chigwell Village, Debden Green, Epping Hemnall, Epping Lindsey, Grange Hill, High Beach, Loughton Forest, Loughton Roding, Loughton St John's, Loughton St Mary's, Paternoster, Theydon Bois, Waltham Abbey East, and Waltham Abbey West.
Minor loss to Brentwood and Ongar. 1997–2010 • The District of Epping Forest wards of Broadway, Buckhurst Hill East, Buckhurst Hill West, Chigwell Row, Chigwell Village, Debden Green, Epping Hemnall, Epping Lindsey, Grange Hill, High Beach, Loughton Forest, Loughton Roding, Loughton St John's, Loughton St Mary's, North Weald Bassett, Paternoster, Theydon Bois, Waltham Abbey East, and Waltham Abbey West.
North Weald Bassett transferred from Harlow. 2010–2024 • The District of Epping Forest wards of Broadley Common, Epping Upland and Nazeing, Buckhurst Hill East, Buckhurst Hill West, Chigwell Row, Chigwell Village, Epping Hemnall, Epping Lindsey and Thornwood Common, Grange Hill, Loughton Alderton, Loughton Broadway, Loughton Fairmead, Loughton Forest, Loughton Roding, Loughton St John's, Loughton St Mary's, Theydon Bois, Waltham Abbey High Beach, Waltham Abbey Honey Lane, Waltham Abbey North East, Waltham Abbey Paternoster, and Waltham Abbey South West.
The North Weald Bassett ward was transferred to Brentwood and Ongar. Other marginal changes due to redistribution of local authority wards. 2024–present The
2023 periodic review of Westminster constituencies, which was based on the ward structure in place on 1 December 2020, left the boundaries unchanged. However, following a local government boundary review which came into effect in May 2024, the constituency now comprises the following from the
2024 general election: • The District of Epping Forest wards or part wards of: Buckhurst Hill East & Whitebridge; Buckhurst Hill West, Chigwell with Lambourne (except Lambourne parish); Epping East; Epping West & Rural; Grange Hill; Loughton Fairmead; Loughton Forest; Loughton Roding; Loughton St John's; Theydon Bois with Passingford (Theydon Bois parish)
; Waltham Abbey North; Waltham Abbey South & Rural; Waltham Abbey West; and small parts of North Weald Bassett and Roydon & Lower Nazeing. == Members of Parliament ==