Substantive title

A substantive title, in the United Kingdom, is a title of nobility which is owned in its own right, as opposed to titles shared among cadets, borne as a courtesy title by a peer's relatives, or acquired through marriage.

Current monarchies

 * 🇬🇧 United Kingdom – Prince of Wales (must be conferred by monarch)
 * 🇬🇧 United Kingdom – Duke of Cornwall (restricted to eldest son of monarch)
 * 🇬🇧 United Kingdom – Duke of Rothesay (restricted to eldest son of monarch)

Granted titles
The Almanach de Gotha treated titles used by dynasties of abolished monarchies: the head of the house bearing a traditional title of the dynasty in lieu of or after the given name. • 🇬🇧 United Kingdom:

• * Princess Royal; since 1987.

• * Duke of Albany

• * Duke of Cambridge; since 2011: on occasion of the recipient's wedding

• * Duke of Clarence

• * Duke of Edinburgh; since 2023: on occasion of the recipient's birthday

• * Duke of Gloucester

• * Duke of Kent

• * Duke of Lancaster

• * Duke of Sussex; since 2018: on occasion of the recipient's wedding

• * Duke of York; since 1986: on occasion of the recipient's wedding

• * Duke of Windsor; on occasion of the recipient's abdication

• * Earl of Forfar; since 2019: on occasion of the recipient's 55th birthday

• * Earl of Wessex; since 1999: on occasion of the recipient's wedding

In accordance with a tradition dating back to the reign of Napoleon I, titles in pretence were treated by the Almanach de Gotha as if still borne by members of reigning dynasties.