▁before ▁ 1 9 2 3 ▁domin ated ▁by ▁the ▁Liberal ▁and ▁Conserv ative ▁parties . ▁The ▁numerical ▁Labour ▁majority ▁in ▁every ▁general ▁election ▁from ▁ 1 9 3 5 ▁on wards ▁has ▁been ▁in ▁five ▁figures , ▁with ▁the ▁exceptions ▁of ▁ 2 0 1 5 ▁and ▁ 2 0 1 9 . ▁ ▁B ound aries ▁▁ 1 9 1 8 – 1 9 4 9 : ▁The ▁County ▁Bor ough ▁of ▁R other ham , ▁and ▁the ▁Urban ▁District s ▁of ▁Gre as br ough ▁and ▁Raw mar sh . ▁▁ 1 9 5 0 – 1 9 8 3 : ▁The ▁County ▁Bor ough ▁of ▁R other ham . ▁ ▁R other ham ▁constitu ency ▁is ▁one ▁of ▁three ▁bor ough ▁constitu encies ▁in ▁the ▁bor ough . ▁The ▁current ▁boundary ▁configuration ▁was ▁confirmed ▁in ▁ 2 0 0 5 . ▁It ▁is ▁formed ▁with ▁the ▁R other ham ▁bor ough ▁elect oral ▁w ards : ▁Boston ▁Castle , ▁Br ins worth ▁and ▁Cat cl iffe , ▁Ke ppel , ▁R other ham ▁East , ▁R other ham ▁West , ▁Valley , ▁and ▁Wing field ▁in ▁the ▁Metropolitan ▁Bor ough ▁of ▁R other ham ▁ ▁It ▁borders ▁R other ▁Valley , ▁She ff ield ▁South ▁East , ▁She ff ield ▁Bright side ▁and ▁Hills borough , ▁Pen ist one ▁and ▁Sto cks bridge , ▁and ▁W ent worth ▁and ▁D ear ne . ▁ ▁Const itu ency ▁profile ▁The ▁constitu ency ▁consists ▁of ▁Census ▁Output ▁Are as ▁of ▁one