People attending nightclubs and different venues wherever ample crowds stitchery successful England volition request to beryllium afloat vaccinated from the extremity of September, the authorities says.
Latest figures amusement 35% of 18 to 30-year-olds person not had their archetypal jab.
Currently nightclubs and different crowded venues are lone encouraged to inquire clubbers to amusement impervious of vaccination, a antagonistic trial effect oregon immunity.
But Boris Johnson said helium was acrophobic by the continuing hazard of transmission.
The announcement came connected the time nightclubs successful England were allowed to reopen aft 16 months of closure. They are inactive closed successful Scotland.
The Prime Minister told a property league connected Monday: "I don't privation to person to adjacent nightclubs again arsenic they person elsewhere. But it does mean nightclubs request to bash the socially liable thing.
"As we said past week, we bash reserve the close to mandate certification astatine immoderate constituent if it's indispensable to trim transmission.
"And I should service announcement present that by the extremity of September, erstwhile each implicit 18s person had their accidental to beryllium treble jabbed we're readying to marque afloat vaccination the information of introduction to nightclubs and different venues wherever ample crowds gather."
Mr Johnson added helium wanted radical to beryllium capable to instrumentality backmost their freedoms, but to bash this "we indispensable stay cautious".
Many clubs person unopen down during the pandemic and the manufacture reacted angrily to the premier minister's announcement.
"So, 'freedom day' for nightclubs lasted astir 17 hours then," said Michael Kill, brag of the Night Time Industries Association.
"Leaving speech the information that this is yet different chaotic U-turn that volition permission nightclubs who person been readying for reopening for months having to marque much changes to the mode they run - this is inactive a atrocious idea.
"80% of nightclubs person said they bash not privation to instrumentality Covid passports, worrying astir difficulties with enforcing the strategy and a simplification successful spontaneous consumers, arsenic good arsenic being enactment astatine a competitory disadvantage with pubs and bars that aren't taxable to the aforesaid restrictions and yet supply akin environments."
Boss of UK Hospitality Kate Nicholls called the announcement "a hammer blow" for a struggling manufacture trying to rebuild.
"Covid passports volition beryllium a costly load that tally the hazard of creating flashpoints betwixt unit and customers, arsenic good arsenic raising imaginable issues with equalities authorities and the handling of lawsuit data," she said.
Mark Harper MP, who chairs the Covid Recovery Group of Conservative backbenchers, besides criticised the plans, saying the authorities was "effectively moving to compulsory vaccination."
Speaking successful the House of Commons, helium called connected the authorities to bring guardant the grounds for the argumentation successful September up of immoderate vote, saying helium didn't deliberation the grounds from aviator schemes supported the idea.
The Vaccines Minister Nadhim Zahawi MP promised to stock the grounds with the House, "working with the nightclub manufacture oregon at-risk ample standard events that are indoors".