Substantive title
{{Short description|Type of title of nobility or royalty}}
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.{{cite web|url=https://www.gov.uk/government/publications/titles-included-in-passports/titles-accessible|title=About titles|website=GOV.UK|access-date={{date|18apr24}}}}
Current monarchies
- {{flag|United Kingdom}} – Prince of Wales (must be conferred by monarch)
- {{flag|United Kingdom}} – Duke of Cornwall (restricted to eldest son of monarch)
- {{flag|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:{{Cite book|title=Secrets of the Gotha|last=de Diesbach|first=Ghislain|authorlink = Ghislain de Diesbach |year=1967|publisher=Chapman & Hall|location=UK, pp. 23-24, 29, 37}} the head of the house bearing a traditional title of the dynasty in lieu of or after the given name.
{{columns-list|colwidth=25em|
- {{flag|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.