History of parliamentary constituencies and boundaries in Norfolk

The table below shows the number of MPs representing Norfolk at each major redistribution of seats affecting the county.

County seat Borough seat The county also included five Parliamentary Boroughs, namely Castle Rising, Great Yarmouth (partly in Suffolk), King's Lynn, Norwich and Thetford, all returning two MPs (burgesses) each.

Thetford's representation was reduced to one MP and Great Yarmouth was disenfranchised for corruption.

Central Norfolk also included areas to the north (former Rural District of Aylsham) and south (Rural District of Forehoe and Henstead), transferred from the Northern and Southern divisions respectively.

Mid Norfolk now comprised the District of Breckland wards in the previous version of the constituency with additional wards, including Watton and Attleborough, transferred from South West Norfolk.