Home Office minister James Brokenshire said in a statement Wednesday that all licensed premises could be allowed to serve customers until 1 a.m.
The government plans to consult with the entertainment industry on the plan. Brokenshire said the wedding was "an occasion for national celebration."
Currently, only bars and pubs with special licenses are allowed to stay open past the traditional final drinks call at 11 p.m.
Brokenshire said the relaxation will apply April 29, the date of the royal wedding - which has already been made a public holiday, meaning Britons have the day off - and the following day.