King Charles Lifts the Lid on Royal Taxes – But the Full Picture Remains Hidden

King Charles III has made history. But the history he made is not without its asterisks. On Thursday, Buckingham Palace disclosed that the monarch paid £12.9 million in tax for the 2024-25 financial year, making him the first reigning British sovereign to put a personal tax figure before the public. The previous year, he paid £11.7 million. Since ascending the throne in September 2022, his total tax payments have exceeded £30 million.

This is a deliberate departure from centuries of royal financial secrecy. The Palace insists the disclosure was made at the King's own wish, part of a drive for greater transparency. His eldest son and heir, Prince William, also revealed his personal tax information for the first time, having voluntarily paid more than £20 million in tax since inheriting the title of Prince of Wales when his father became King.

But here is where the story gets complicated. The King is under no legal obligation to pay most of this tax. British monarchs are exempt from income tax, capital gains tax, and inheritance tax on assets passed from one sovereign to the next. That exemption dates back to a 1993 arrangement. Charles pays income and capital gains tax voluntarily, following a practice begun by his late mother, Queen Elizabeth II.

The bulk of his income flows from the Duchy of Lancaster, a centuries-old estate of farmland and commercial property worth hundreds of millions of pounds. It generated around £25 million for the monarch last year. Additional income comes from his private estates at Balmoral and Sandringham, as well as personal investments.

The timing of the disclosure is revealing. The royal household has faced mounting pressure to open up its finances following the scandal surrounding the King's brother, the former Prince Andrew, who is under police investigation over allegations linked to his relationship with the late sex offender Jeffrey Epstein. The tax disclosure was unveiled alongside other attempts to modernize the institution, including confirmation that Charles will not live in Buckingham Palace once its £369 million refurbishment is complete.

Critics remain unimpressed. Graham Smith, of the anti-monarchy group Republic, argued that the headline figure means little without a corresponding breakdown of the King's income. He accused the Palace of presenting Charles as a generous contributor to the public finances while leaving the bigger questions unanswered. The scale of public funding the monarchy receives sharpens the criticism. The taxpayer-funded Sovereign Grant is due to rise to £137.9 million in 2026-27, though officials confirmed it will be cut to around £100 million a year from 2027.

For all the caveats, the moment is historic. For the first time in modern British history, the public can see how much a reigning monarch has voluntarily paid in tax. But the full picture of royal wealth remains firmly behind palace walls. The King has opened the door a crack. The public is still waiting for it to swing wide open.

Written by Christiane Hofreiter christiane.hofreiter@alpineweekly.com