If you are getting married in Antigua and Barbuda then note that the British government no longer issues a CNI (certificates of no impediment) to countries within the Commonwealth of nations. . You’ll need to explain this if you’re asked to provide a CNI or a similar document to prove you’re allowed to marry. You can contact the British High Commission in Barbados for more information.
Register Marriage Abroad
If you are getting married in Angola to an Angolan national then you will need to contact the British Embassy in Luanda for more information. Note their contact details on this website as well as how to book an appointment online with the Embassy. The details below will explain the process.