The assertion that the monarch and the heir apparent do not "own" the Duchies of Lancaster and Cornwall is accurate within the framework of British constitutional law. These duchies are legally defined as "Crown bodies," existing to provide income to the reigning sovereign and the heir to the throne. While they are managed separately from other Crown assets, they are not considered personal property that can be sold or disposed of at will.
The Duchy of Cornwall, established in 1337 by Edward III, was created to provide independence to his son and heir, Prince Edward. The estate has never encompassed the entire county of Cornwall; a significant portion of its holdings lies outside the county. The Duchy maintains a special relationship with Cornwall, holding certain rights and responsibilities, including ownership of the foreshore and riverbed in Cornwall and parts of south Devon.
Similarly, the Duchy of Lancaster's primary purpose is to provide income for the Sovereign as Duke of Lancaster. The management and control of the Duchy of Cornwall are entirely separate from that of the Duchy of Lancaster.
Recent investigations have highlighted the substantial revenues generated by these duchies. For instance, King Charles and Prince William have been reported to profit significantly from their private estates, with funds sourced from various public bodies, including the NHS, state-funded schools, and the British Armed Forces. These revelations have sparked debate over the ethical and financial management of these royal estates.
In summary, while the Duchies of Lancaster and Cornwall are not personally owned by the monarch or the heir apparent, they serve as significant sources of private income for these figures. The distinction between personal ownership and the constitutional role of these estates is nuanced, contributing to ongoing public discourse regarding their status and the revenues they generate.