King Charles III retains one of the Crown's most significant remaining personal powers: the authority to appoint a new Prime Minister of the United Kingdom. This prerogative, rooted in constitutional tradition rather than written statute, represents a rare exercise of direct monarchical discretion that remains largely untouched by ministerial oversight or requirement for prior consultation. The appointment process unfolds through a carefully choreographed sequence of formal audiences and ceremonial gestures that has evolved over centuries, balancing the symbolic authority of the Crown with the practical realities of parliamentary democracy.
When a Prime Minister resigns, as Keir Starmer recently did, the monarch operates with considerable freedom in selecting their successor. The guiding principle is straightforward yet paramount: the chosen individual must demonstrate the ability to command the confidence of the House of Commons. In practice, this typically means appointing the leader of whichever political party holds an overall majority of seats in the lower chamber. However, the King is not mechanically bound by this convention and theoretically possesses the discretion to appoint anyone he believes capable of governing with parliamentary support—a power that would be invoked only in extraordinary circumstances when the parliamentary landscape remains ambiguous or fractured.
Despite his considerable theoretical latitude, the monarch operates within firmly established constitutional boundaries and relies heavily upon established conventions and prudent counsel. Before extending an invitation to form a government, Charles may seek guidance from multiple sources: the outgoing Prime Minister, opposition leaders, senior members of the Privy Council, and other figures of constitutional importance. This consultative approach provides essential political intelligence and helps ensure the appointment reflects broad parliamentary and political consensus. The practice demonstrates that while the King possesses the formal power to act independently, he exercises this authority with careful attention to constitutional propriety and political reality.
The mechanics of appointment require the selected politician to meet privately with the monarch in a formal audience. This personal meeting represents the culmination of behind-the-scenes negotiations and preparations, serving as the occasion when the King formally invites the individual to undertake the responsibility of forming a government. The incoming Prime Minister must then formally tender their acceptance, cementing the constitutional relationship between Crown and government. This audience takes place before any public announcements or parliamentary manoeuvres, underscoring the precedence of the royal prerogative in the appointment sequence.
The ceremonial dimension of the appointment—the symbolic rituals that accompany the constitutional transaction—carries significant historical weight. Following their acceptance, the new Prime Minister participates in the traditional ceremony of "kissing hands," a practice that appears anachronistic to modern observers but remains embedded in British constitutional procedure. The Court Circular, the official daily record of royal engagements, formally notes this ceremony, lending it constitutional legitimacy and historical documentation. For male Prime Ministers, a bow typically accompanies the ceremony, whilst female Prime Ministers may curtsy according to personal preference—a flexibility that reflects gradual evolution in royal protocol.
The actual kissing of hands rarely occurs in its literal form during the initial audience, as former Prime Minister Tony Blair discovered during his 1997 audience with Queen Elizabeth II. Blair's account of his meeting reveals the delightful uncertainty that can surround even formal constitutional rituals. A senior court official had briefed him that the "kissing of hands" involved merely a gentle brushing of the monarch's hands with one's lips rather than actual kissing. Blair's nervous energy at this momentous occasion led him to trip over the carpet and, as he later recounted with characteristic candour, he essentially "enveloped" the Queen's hands rather than brushing them. The Queen's amused observation that he seemed "enthusiastic" captured the blend of formality and human spontaneity that characterises these encounters.
The ceremonial elements have continued to evolve, reflecting changing attitudes toward protocol and dignity. When David Cameron became Prime Minister in 2010, he modified the traditional practice by taking the Queen's hand without kissing it or kneeling before confirming he could form a government. This adjustment illustrated how even ancient constitutional customs remain flexible, adjusted according to the preferences and sensibilities of those involved. In contemporary practice, the formal swearing-in or affirmation of the oath as First Lord of the Treasury—typically occurring at a subsequent Privy Council meeting—has largely superseded the dramatic hand-kissing element as the substantive ceremonial moment.
Once installed as Prime Minister, the incumbent enters into a regular rhythm of private engagement with the monarch. Constitutional convention establishes that the Prime Minister meets with the King in a private audience each Wednesday to discuss government business, a meeting that typically follows Prime Minister's Questions in Parliament. These weekly encounters provide the sovereign with detailed insight into government operations, legislative agendas, and policy challenges. The meetings occur face-to-face, maintaining the personal character of the Crown-Government relationship and ensuring direct communication between the two offices.
The political neutrality requirement forms a crucial constraint on the monarch's otherwise considerable prerogatives. While King Charles must remain scrupulously non-partisan on all matters of public controversy, he retains the constitutional capacity to advise and warn his ministers, including the Prime Minister, when circumstances warrant such intervention. This capacity for counsel represents the Crown's residual influence over government—not through direct control or veto power, but through the weight of the monarch's judgment and the strategic importance of royal approval. The confidentiality of these exchanges ensures they remain protected from public scrutiny, preserving the candour necessary for the Crown to function as a trusted counsellor.
For Malaysian readers and Southeast Asian observers, the British system illuminates a distinctive approach to constitutional monarchy within parliamentary democracy. While Malaysia similarly features a constitutional monarch—the Yang di-Pertuan Agong—the appointment of Prime Ministers operates through different constitutional mechanisms and conventions. The British precedent demonstrates how a figurehead head of state can retain meaningful constitutional authority whilst operating within strict political neutrality requirements. Understanding these nuances enriches appreciation for how different Commonwealth nations have adapted shared constitutional traditions to their particular political contexts and historical experiences.
