The article examines the interrelation between the problem of the British electoral system modernization and the Glorious Revolution outcomes represented in the new social arrangement. The authors identify the changes in the attitude of the English party and political elite to the system of representation and analyse the formation of conditions for the electoral reform. The paper focuses on the following issue: what factors promoted the erosion of the electoral system established after the Glorious Revolution, thus making the reform of 1832 inevitable.