Millionaire tax: how much King Charles pays and where his fortune comes from

King Charles III during a lunch with officials at Buckingham Palace.
TOBY MELVILLE / POOL / AFP
King Charles III paid 12.9 million pounds in taxes in the 2024-2025 financial year, equivalent to around R$88.6 million. The amount represents an increase compared to the previous year, when the monarch paid 11.7 million pounds (approximately R$80.3 million).
This is the first time that the king's personal tax payments have been disclosed. According to Buckingham Palace, the amount paid by Charles III since his accession to the throne already exceeds 30 million pounds (R$205.9 million), which places him among the 100 largest taxpayers in the United Kingdom.
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Charles also paid taxes on capital gains related to asset sales. The Crown did not detail, however, how the tax was calculated.
Although the monarchy receives resources from various sources, the king only pays taxes on his personal income - much of which comes from private properties, such as Balmoral, in Scotland, and Sandringham, on the east coast of England, among others. (understand more below)
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By law, the British monarch is not required to pay taxes - neither on income, nor on capital gains, nor on inheritance.
The tradition, however, changed in 1993, when Queen Elizabeth II agreed to voluntarily pay income tax, at a time when the monarchy's reputation was shaken, amid a series of divorces.
In addition to Charles' formal separation from his first wife, the The late Princess Diana, Andrew and Sarah Ferguson also separated during the same period, as did Princess Anne and her first husband.
Prince William, current Prince of Wales, also released details of his taxes on Thursday. He paid approximately £7.8 million in income and capital gains taxes in the 2024-2025 tax year, lower than the £8.3 million he paid the previous year, according to his office. monarch.
Where does the king and royal family's fortune come from?
Since 1399, the reigning monarch has received income from the Duchy of Lancaster, a 16,960-hectare estate that includes commercial properties in central London and other cities. In March 2026, the property's net worth was valued at £687.3 million (around R$4.7 billion).
The incumbent monarch cannot use any proceeds from the sale of his lands, but receives surplus revenue - which was £25.2 million (R$172.9 million) in 2025/2026.
The funds received are used to maintain his private residences and for the income of working members of the royal family - and who, although they receive a free official residence in exchange for carrying out their duties, are not permitted to earn outside income.
Currently this list includes Charles's sister Princess Anne, his younger brother Prince Edward and his wife the Duke and Duchess of Gloucester, the Duke of Kent and Princess Alexandra.
Charles' youngest son Prince Harry and his brother Andrew Mountbatten-Windsor, although still members of the royal family, do not receive public money, as they do not perform official royal duties.
Other private income
The king also has undisclosed personal assets and investments and receives income from his estates, Balmoral Castle in Scotland and Sandringham in eastern England. Buckingham Palace did not disclose further details about how much this income would be.
The Duchy of Cornwall, created in 1337, is among the income received by the heir to the throne - currently Prince William and his wife Kate.
The property covers 51,861 hectares, spread across England and Wales, with net assets of 1.2 billion pounds (R$8.2 billion) according to data released at the end of March. William receives the excess net income - which, in 2025/2026, was 21.55 million pounds (R$ 147.9 million).
*With information from news agencies Reuters and Associated Press.

Source: G1