Parliamentary constituencies of the British House of Commons established in the year 1603. Those established before 1707 were originally created as constituencies of the English House of Commons.

UK constituency establishments: 126512901295129813021305131113301332135113661371144714491467146814721473151215231529153615411542154515471552155315541558155915601562156315701571157215841585158616031604160516101615162116251628164016411654167316751708180118321861186518681885191819221945195019551964197419831992199720052010