Counsellors of State are senior members of the British royal family to whom the monarch can delegate royal functions through letters patent under the Great Seal, to prevent delay or difficulty in the dispatch of public business in the case of their illness (except total incapacity) or of their intended or actual absence from the United Kingdom.^[1][2]

Counsellors of state may carry out "such of the royal functions as may be specified in the Letters Patent".^[1] In practice, this means most of the monarch's official duties, such as attending Privy Council meetings, signing routine documents and receiving the credentials of new ambassadors to the Court of St James's.^[3] However, by law, counsellors of state cannot grant ranks, titles or peerages.^[1] They also, by the terms of the letters patent, cannot deal with a number of core constitutional functions, such as Commonwealth matters, the dissolution of Parliament (except on the monarch's express instruction) and the appointment of prime ministers.^[3] A rare example occurred on 7 February 1974 of the Proclamation of the Dissolution of Parliament being promulgated by Queen Elizabeth The Queen Mother and Princess Margaret as counsellors of state, on the express instructions of Queen Elizabeth II.^[4]

Royal functions are to be exercised jointly by the counsellors of state or by such number of them as is specified in the letters patent under the Great Seal and subject to any other conditions within.^[5] However, there is a legal presumption that counsellors of state should act jointly and, as such, at least two are needed to act, with the absence of one possibly risking a legal challenge.^[6]

Counsellors of state are always the monarch's spouse and the next four people in the line of succession who meet the following specifications: they must be British subjects of full age (21 years, or 18 years for the heir apparent or presumptive) who are domiciled in the United Kingdom and not disqualified from becoming monarch.^[7][8] During a regency, the next four eligible people in the line of succession after the regent (and the regent's spouse) may be counsellors.^[9] A monarch may also request that Parliament add specific people to their counsellors of state. This was done by Queen Elizabeth II leading to section 3 of the Regency Act 1953 and by King Charles III leading to the Counsellors of State Act 2022.^[10]

The first counsellors of state were appointed by George V under the royal prerogative in 1911 when he traveled to India for the Delhi Durbar, and they continued to be appointed under the prerogative for the rest of his reign. At first, senior politicians such as the Prime Minister and the Lord Chancellor could serve as counsellors of state, but later counsellors of state were drawn exclusively from the ranks of the Royal Family. The Regency Act 1937 ultimately placed the appointment of counsellors of state on a statutory footing and codified the practice of only entrusting the role to senior members of the Royal Family.

Since the passage of the Regency Act 1937, the only persons to have been counsellors of state while not a queen consort, prince, or princess were George Lascelles, 7th Earl of Harewood; Alastair Windsor, 2nd Duke of Connaught and Strathearn (although Windsor had been a prince between 1914 and 1917 and never served in practice during his short tenure); and Maud Carnegie, Countess of Southesk (who was entitled to the style of princess but did not use it).^{[citation needed]} Prior to that, the Lord Chancellor, the Lord President of the Council, the prime minister, and the Archbishop of Canterbury had been appointed to the position by George V.^{[citation needed]}

Queen Elizabeth The Queen Mother lost her eligibility to be a counsellor of state in 1952 upon the death of her husband, King George VI. Section 3 of the Regency Act 1953, however, restored her position. The provision was specific to her, rather than applying to dowager consorts generally, and became spent upon her death in 2002.

In September 2022, The Daily Telegraph reported that King Charles III wanted the law to be amended to allow only working members of the royal family to serve as counsellors of state. This would take away the eligibility of family members that do not carry out official functions, while creating a possibility for spouses to senior ranking members and those with a lower position in the line of succession to be called upon and fulfil the role.^[11]

Questions were raised in the House of Lords in October 2022 by Lord Stansgate about the "suitability" of having the Duke of York and Duke of Sussex as counsellors of state when the former had "left public life" and the latter had "left the country". It was subsequently reported that, instead of removing them from the list of counsellors of state, it was being proposed that the pool of counsellors be expanded in order to create a more flexible list of available royals to stand in for the King if needed.^[12] On 14 November 2022, the King sent a message to both Houses of Parliament, formally asking for a change in the law that would allow Princess Anne and Prince Edward to be added to the list of counsellors of state.^[13] The next day, a bill to that end was introduced in Parliament and it received royal assent on 6 December, coming into force on 7 December as the Counsellors of State Act 2022.^[14]

As of 7 December 2022, those eligible to be appointed counsellors of state to King Charles III are:^[10]

More information Since, Relation to Monarch ...

Counsellor	Since	Relation to Monarch	Succession order	Change
Queen Camilla	8 September 2022	Spouse	N/A	Accession to the throne of Charles III
William, Prince of Wales	21 June 2003	Son and heir apparent	First	Reached the age of 21
Prince Harry, Duke of Sussex	15 September 2005	Son	Fifth
Prince Andrew, Duke of York	19 February 1981	Brother	Eighth
Princess Beatrice	8 September 2022	Niece	Ninth	Accession to the throne of Charles III
Prince Edward, Duke of Edinburgh	7 December 2022	Brother	Fourteenth	Counsellors of State Act 2022
Anne, Princess Royal		Sister	Seventeenth

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Of these seven, Prince Andrew, Prince Harry, and Princess Beatrice do not perform royal duties. If Prince Harry ceases to be domiciled in the United Kingdom, he shall become ineligible to be a counsellor of state.^[6]

Prince Andrew remains eligible to serve in this role, though he has withdrawn from most royal activities; this provoked by a backlash due to the allegations of sexual abuse made against him.^[15][16]

Should any of the above, other than the Queen, the Duke of Edinburgh or the Princess Royal, become ineligible or unable to serve, the next person eligible would be Princess Eugenie. Prince George is to automatically become a counsellor of state on his 21st birthday on 22 July 2034 (or his 18th birthday should he be the heir apparent at that time), and would replace Princess Beatrice.^{[citation needed]}

This section does not cite any sources. (June 2021)

The following is a list of all the people who have been eligible to be a counsellor of state, listed in chronological order. A † indicates Counsellors who died whilst eligible: