Well I’m not even talking the royal properties of state that are owned by the crown, but the properties that in an ordinary sense are owned privately by individual human persons; another posted had mentioned the Queen’s race horses specifically. Balmoral which I believe is also a privately owned family home would be in the same category.
It’s easiest to think of the royal properties in three categories:
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“The Crown”, or properties owned by the monarch “in right of the crown.” These properties are essentially properties of state, with the crown being the monarchical representation of the British state itself. Buckingham Palace, the Crown Jewels, and many other famous royal properties are owned by the monarch “in right of the crown.” There is a pretty strong argument if Britain were to ever become a Republic, these properties would rightfully become state properties of the new Republic, akin to the Federal government’s ownership of the White House in the United States. While in an ancient legal sense the monarch is a personification of the state and long, long ago the difference between crown holdings and personal royal holdings wouldn’t exist, in modern Britain these properties are essentially owned by the monarch as sort of a legal fiction for all intents and purposes. When Edward VIII abdicated there was no serious assertion he had any private claim to these properties, they were owned by the crown as the personification of the state, not by Edward the human, without the crown he had no claim to them.
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The Crown Estate - This is the most complicated piece of the British royal holdings in my opinion. The Crown estate is a public corporation that is neither part of the monarch’s “state holdings” like the Crown Jewels, Tower of London, Buckingham Palace etc, nor is it part of the monarch’s “private estate” like Balmoral, Sandringham, Elizabeth’s personal race horses and other sundries. While other posters have given a good overview of what the Crown Estate is, it’s worth understanding where it comes from.
Before 1760 the monarch had significant income generating properties that were controlled by the monarch and which the monarch had sole right to manage and from which they could take income. Much of this income was used to fund not only the monarch’s personal expenditures, but large portions of civil government. The reason for this has to do with how taxation worked in pre-modern Britain (and before that the dual monarchy of England/Scotland.) There were a number of special “standing dues” that the monarch had been granted over time and in perpetuity. The monarch also had significant holdings of their own that generated income. For anything else, direct taxes and revenue raising, the monarch had to get a law passed by Parliament that would approve the raising of a tax and the revenue needed.
In pre-modern times the monarchs weren’t huge fans of this because Parliament liked to basically squeeze the monarch any way they could. When the monarch had to go to Parliament for taxes they almost always suffered small erosion in their power; in matter of fact it was this power of the purse moreso than anything else (even the English Civil War when Parliament raised its own army and defeated the Royal armies), that gradually eroded the old powers of the monarch and lead to Britain being a constitutional Parliamentary government.
Traditional feudal dues, a limited number of customs duties, and other special fees that had been permanently granted to the monarch represented one source of income for the monarch. Over time most of these decreased and/or just stopped growing as the English and then British economy grew, and became essentially unsuitable for funding the government. Charles II was the last King that really tried to run things for very long stretches of time without consulting Parliament. Because of this he had limited abilities to raise revenue and he squeezed these traditional customs dues, and even resurrected some dormant feudal dues, and of course he had his crown income generating properties. This period was known as the “Personal Rule”, and you largely never saw it happen again because it only barely worked in the latter half of the 1600s, and with the growth of the British state and the lack of growth in these “traditional” sources of crown income it was just largely never tenable again.
As the 1700s progressed Parliament was always integral to governing and all of the monarch’s income generating holdings were basically reduced to funding a much more limited portion of the government, and mostly just the royal household (which encompassed all of the princelings and their homes etc, all the staff and all that.) By 1760 the crown was in serious risk of not even being able to fund those things from its own properties any longer, and there was fear the British monarchy might “devolve” in grandeur to being second rate. So a deal was struck where the crown just signed over all of the income in its estates to Parliament (becoming the crown estate), in exchange Parliament created the “civil list”, and would pay all of the monarch’s crown expenses from general revenue. Essentially from that point on the British taxpayer was funding most of the monarch’s personal expenses, like staff, maintenance on their homes etc. This deal was a good one for the monarchy for most of its history, as the civil list payments were usually far larger than the incomes generated from the properties.
Much of this estate was basically agricultural property and such, and was just not a sufficient source of income for most of the period in which the civil list existed. However by the 1970s the Crown Estate was being managed very professionally which helped its income situation quite a bit, and the explosion in value of British real estate around London directly aided the Crown Estate as a large portion of its holdings (by value) are in the London area. By the 2000s the Crown Estate was generating more income for Parliament than Parliament was paying to the monarch via the Civil List. By 2011 it was seen as politically/structurally desirable to get rid of the Civil List and replace it with Crown Estate funding. The 2011 Sovereign Grant Act gives the monarch a portion of the Crown Estate’s income to replace the civil list. There were a lot of justifications for this both political and practical. It probably helps the monarchy’s public standing a bit just because they can say a large chunk of their funding isn’t coming from direct taxes any longer. Additionally with the continued growth in the Crown Estate’s revenues it provided a good option for funding a large maintenance backlog for crown properties that had developed, that might have generated public drama if Parliament had allocated larger amounts of tax revenue to fix.
Now getting back to the idea of taking this away from the monarch if the country went to a Republic, that’d be an interesting and difficult legal issue I suspect. While Parliament has controlled the Crown Estate since 1760, the legal structure under which this happened has always maintained that the monarch actually owns the Crown Estate, in a different sense than the “State” owns Buckingham palace. These properties were historically the personal income generating properties of the sovereign, not simply artifacts of State built on order of Parliament. If I had to guess in a transition to a Republic there would probably be a “settlement” of sorts with the Crown Estate and the then-sovereign, what structure that would take I am unsure, but I suspect the sovereign would get some sort of payout.
- Finally the personal estate of the monarch is as a matter of law no different from any other British person’s private property. These is essentially no chance in my mind if Britain became a Republic that this property would be seized. Britain is a country with a strong historical respect for private property rights.