King Charles has made history by becoming the first British monarch to publicly disclose his tax payments, revealing a £12.9m bill for the 2024-2025 financial year. This places him among the top 100 taxpayers in the United Kingdom, according to Buckingham Palace. The annual royal accounts also show that Prince William, the Prince of Wales, paid £7.76m in tax during the same period, marking a significant step toward financial transparency within the monarchy.
Royal Tax Transparency Initiative
Buckingham Palace described the disclosure as an effort to 'encourage wider understanding of our accountability.' Since Charles ascended the throne in 2022 and William became Prince of Wales, their combined tax contributions to HM Revenue and Customs have exceeded £50m. However, tax expert Dan Neidle noted that the disclosure was 'highly opaque,' stating: 'We don't know how much of that is capital gains tax, how much is income tax. Very importantly, we don't know what expenses he's deducted to come up with the figure on which he pays the tax.'
Sources of Royal Income
King Charles's income is derived from several sources. The Duchy of Lancaster provides an annual income of £25.2m from land, investments, and properties. His private estates at Balmoral and Sandringham generate additional taxable income. Prince William's income comes from the Duchy of Cornwall, an estate worth over £1bn spanning 130,000 acres, which funds his official duties and private life. Prince William's office confirmed: 'Prince William pays income tax at the highest rate on any net surplus after those costs have been met. Those costs are independently audited to ensure that any deductions are appropriate.'
Sovereign Grant Increase
The Sovereign Grant, which funds the monarchy's official running costs, is set to rise from £86.3m in 2024-2025 to £99.9m by 2027-2028. The breakdown for 2024-2025 includes £51.8m for core spending—covering staffing, travel, receptions, and palace maintenance—and £34.5m for Buckingham Palace renovations. Royal Trustees, including Prime Minister Sir Keir Starmer and Chancellor Rachel Reeves, approved the increase to support historic building upkeep, cyber security, and green energy projects such as replacing boilers at Windsor Castle. James Chalmers, the King's treasurer, stressed: 'Expenditure is governed by the same standards and disciplines as any publicly funded body, with strict value-for-money requirements, independent audit, and Treasury oversight.'
Royal Residence and Travel Costs
Despite the renovations, King Charles and Queen Camilla will continue residing at Clarence House, allowing greater public access to Buckingham Palace once refurbishments finish in March 2027. This marks the first time since Queen Victoria's reign that a monarch has chosen not to live in Buckingham Palace. The accounts also revealed significant travel expenses: Prince William's three-day trip to Saudi Arabia in February 2025 cost £130,000; the King and Queen's four-day state visit to Italy in April 2025 cost £126,946; the King's royal train journey to Lancaster in June 2025 cost £48,460; and 177 helicopter journeys by the Royal Family totaled £733,063. The royal train is scheduled to be retired by 2027 to cut costs.
Crown Estate Profits and Historical Context
Operating profits at the Crown Estate fell to £1.2bn in the year to March, down from £1.4bn, linked to offshore wind projects moving from option fees to construction. Since the Sovereign Grant is calculated as a percentage of Crown Estate profits, this drop highlights the volatility of royal funding sources. Historian Anna Whitelock said the King's disclosure places him 'front and centre as a very rich man,' reflecting growing demands for accountability. Critic Norman Baker argued that Buckingham Palace visitor ticket sales should go to the Treasury, adding: 'If Charles is talking about slimming down the monarchy and William as well, we want slimmed down costs, not just fewer people on the Buckingham Palace balcony.'
