The price of a pint of beer is set to jump by 30 pence, as rising costs get passed on to punters.
Reportedly pricier pints are on the way even before any duty increases are announced in the Budget next week.
Publicans are appealing to Chancellor Rishi Sunak to freeze the alcohol duty rate, with increasing wages, energy prices and supply chain problems already causing costs to sky-rocket.
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The Times has said that eight in 10 pubs have already raised their prices.
There are already warnings that £6 pints could soon be the norm in London and the south-east.
Many pubs have increased wages to try and attract staff, with the hospitality industry struggling to recruit workers for an estimated 134,000 vacancies.
Drinks wholesalers Matthew Clark and Bibendum are reportedly hiking prices by between 3.5 and 5 per cent next month.
A spokesman for the companies, which are owned by the C&C Group, told The Times: "As our industry recovers from the pandemic, the pressure on UK and global supply chains has added increased cost and complexity."
Dave Mountford, co-founder of the Forum of British Pubs, predicted publicans would have to increase pint prices from 20p to 30p to meet rising costs.
"In my pub that means I will be charging more than £4 for a pint of cask ale for the first time," the Derby publican told the paper.
"It will mean much more in areas like London."
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