1885-1918: le divisioni sessionali di Forehoes, Guiltcross and Shropham e Mitford and Launditch.
1983-1997: i ward del distretto di Breckland di Beetley and Gressenhall, East Dereham Neatherd, East Dereham St Withburga, East Dereham Toftwood, East Dereham Town, Eynsford, Hermitage, Launditch, Mattishall, Shipworth, Springvale, Swanton Morley, Taverner, Two Rivers, Upper Wensum e Upper Yare, e i ward del distretto di Broadland di Acle, Aylsham, Blofield, Brundall, Burlingham, Buxton, Cawston, Coltishall, Drayton, Foulsham, Freethorpe, Great Witchingham, Hainford, Hevingham, Horsford, Plumstead, Rackheath, Reedham, Reepham, South Walsham, Spixworth, St Faiths, Taverham e Wroxham.
1997-2010: i ward del distretto di Breckland di Beetley and Gressenhall, East Dereham Neatherd, East Dereham St Withburga, East Dereham Toftwood, East Dereham Town, Eynsford, Hermitage, Launditch, Mattishall, Shipworth, Springvale, Swanton Morley, Taverner, Two Rivers, Upper Wensum e Upper Yare, e i ward del distretto di Broadland di Acle, Aylsham, Blofield, Brundall, Burlingham, Buxton, Cawston, Coltishall, Foulsham, Freethorpe, Great Witchingham, Hainford, Hevingham, Horsford, Plumstead, Rackheath, Reedham, Reepham, South Walsham, Spixworth, St Faiths e Wroxham.
2010-2024: i ward del distretto di Breckland di All Saints, Buckenham, Burgh and Haverscroft, Dereham Central, Dereham Humbletoft, Dereham Neatherd, Dereham Toftwood, Eynsford, Haggard De Toni, Hermitage, Launditch, Necton, Queen’s, Shipdham, Springvale and Scarning, Swanton Morley, Taverner, Templar, Two Rivers, Upper Wensum, Upper Yare, Watton e Wissey, e i ward del distretto di South Norfolk di Abbey, Cromwells, Hingham and Deopham, Northfields, Rustens, Town e Wicklewood.
dal 2024: i ward del distretto di Breckland di All Saints & Wayland; Attleborough Burgh and Haverscroft; Attleborough Queens and Besthorpe; Dereham Neatherd; Dereham Toftwood; Dereham Withburga; Hermitage; Launditch; Lincoln; Mattishall; Necton; Saham Toney; Shipdham-with-Scarning; The Buckenhams and Banham; Upper Wensum e Watton, e i ward del distretto di South Norfolk di Hingham and Deopham e Wicklewood.[1]
^Con (S) sono indicate le elezioni suppletive, svoltesi in anni diversi dalle elezioni generali per eleggere un deputato per il seggio divenuto vacante per dimissioni o morte