Robert Walpole emerged as a central figure in British politics, effectively leading the government although he refrained from adopting the official title of Prime Minister. His ascendancy was facilitated by his position as First Lord of the Treasury and leader of the House of Commons, placing him at the helm of decision-making processes in government. This informal primacy was solidified in 1721 during a period marked by political instability and the need for cohesive governance following the South Sea Bubble financial crisis, which had engendered economic turmoil and public discontent.

Walpole's leadership style was characterized by his ability to navigate complex political waters, managing to secure the support of both the Crown and Parliament. His adeptness in political maneuvering ensured stability at a time when the monarchy and government faced challenges from opposition factions and public unrest. By fostering collaboration among various political factions, Walpole laid the groundwork for the modern cabinet system, leading to a more organized and effective government response.

Although Walpole denied holding the title of Prime Minister, his policies and governance profoundly influenced the role's perception and development. His focus on economic recovery, trade expansion, and maintaining peace greatly affected Britain's global standing. He skillfully combined party discipline and patronage, holding diverse factions together, which shaped parliamentary functions in the years to follow. Walpole's era would mark the beginning of a more organized approach to governance, leading toward future developments in the role of Prime Minister.