1868–1885

• The Hundreds of East Flegg, West Flegg, Happing, Tunstead, Erpingham (North), Erpingham (South), Eynsford, Holt and North Greenhoe.^[3][4]

The seat was formed largely from northern parts of the abolished Eastern Division, with a small part transferred from the Western Division. It also absorbed the Parliamentary Borough of Great Yarmouth, which had been disenfranchised for corruption under the Act.

1885–1918

• The Sessional Divisions of Eynsford, Holt, North Erpingham, and North Greenhoe; and
• Part of the Sessional Division of South Erpingham.^[5]

Great Yarmouth re-established as a single-member Parliamentary Borough. Eastern parts were transferred to the re-established Eastern Division.

1918–1950

• The Urban Districts of Cromer, Sheringham, and Wells-next-the-Sea; and
• The Rural Districts of Aylsham, Erpingham, and Walsingham.^[6]

Gained the area around Fakenham from the abolished North-Western Division, and lost small areas in the south to the Eastern and South-Western Divisions.

1950–1974

• The Urban Districts of Cromer, North Walsham, Sheringham, and Wells-next-the-Sea; and
• The Rural Districts of Erpingham, Smallburgh, and Walsingham.^[6]

Gained North Walsham and the Rural District of Smallburgh from the abolished Eastern Division. An area comprising the former Rural District of Aylsham (now part of the St Faith's and Aylsham Rural District) was transferred to the new constituency of Central Norfolk.

1974–1983

• The Urban Districts of Cromer, North Walsham, and Sheringham; and
• The Rural Districts of Erpingham, St Faith's and Aylsham, and Smallburgh.^[6]

Gained the Rural District of St Faiths and Aylsham, including Hellesdon and Sprowston, from the now abolished constituency of Central Norfolk. Wells-next-the-Sea and the Rural District of Walsingham, including Fakenham, were transferred to the re-established constituency of North West Norfolk.

1983–2010

• The District of North Norfolk.^[7][8]

The seat was extended westwards, regaining Wells-next-the-Sea and areas comprising the former Rural District of Walsingham, including Fakenham, from North West Norfolk. Suburbs of Norwich, including Hellesdon and Sprowston, were transferred to Norwich North, and remaining southern areas, including Aylsham, to the new constituency of Mid Norfolk.

2010–present

• The District of North Norfolk wards of Briston, Chaucer, Corpusty, Cromer Town, Erpingham, Gaunt, Glaven Valley, Happisburgh, High Heath, Holt, Hoveton, Mundesley, North Walsham East, North Walsham North, North Walsham West, Poppyland, Priory, Roughton, St Benet, Scottow, Sheringham North, Sheringham South, Stalham and Sutton, Suffield Park, The Runtons, Waterside, Waxham, and Worstead.^[9]

Fakenham and surrounding areas were transferred out once again to the new constituency of Broadland.

Proposed

Further to the 2023 Periodic Review of Westminster constituencies, enacted by the Parliamentary Constituencies Order 2023, from the next general election, due by January 2025, the constituency will be composed of the following wards of the District of North Norfolk (as they existed on 1^st December 2020):

Bacton; Beeston Regis & The Runtons; Briston; Coastal; Cromer Town; Erpingham; Gresham; Happisburgh; Hickling; Holt; Hoveton & Tunstead; Mundesley; North Walsham East; North Walsham Market Cross; North Walsham West; Poppyland; Priory; Roughton; St. Benet’s; Sheringham North; Sheringham South; Stalham; Stody; Suffield Park; Trunch; Wells with Holkham; Worstead.^[10]

Minor gain following changes to local authority ward boundaries.

MPs 1868–1885

MPs since 1885

Elections in the 2020s

Elections in the 2010s

Sir Norman Lamb did not stand for re-election. The seat saw the largest decrease in the Liberal Democrat vote share at the 2019 general election,^[15] and the third highest increase in vote share for the Conservatives.^[16]

Elections in the 2000s

Elections in the 1990s

Elections in the 1980s

Elections in the 1970s

Elections in the 1960s

Elections in the 1950s

Election in the 1940s

Elections in the 1930s

Elections in the 1920s

Elections in the 1910s

* King was named a Unionist candidate in the official list of Coalition Government endorsements, but he wrote to The Times stating he had left the party before the election and should be classed as an independent. He later rejoined the party.

General election 1914–15: Another general election was required to take place before the end of 1915. The political parties had been making preparations for an election to take place and by the July 1914, the following candidates had been selected;

• Liberal: Noel Noel-Buxton
• Unionist: Douglas King

Elections in the 1900s

Elections in the 1890s

• Caused by Cozens-Hardy's appointment as a judge in the Chancery Division of the High Court of Justice.

Elections in the 1880s

Elections in the 1870s

• Caused by Duff's death.

• Caused by Walpole's death.

Elections in the 1860s