Rathfinny Estate, which was founded in 2010, has already laid down more than 800 pint bottles with its 2015 Blanc de Noirs which will be ready for drinking next year, it said in a statement on Tuesday.
"It is such a perfect size -- you get four proper glasses from it -- as opposed to six from a full bottle, which is often too much for a couple," said Mark Driver, co-owner of the winery.
Pint-sized bottles of Pol Roger champagne were reportedly Churchill's favourite tipple.
He once said that his wife Clementine complained that "a full bottle is too much for me" and half a bottle "is insufficient to tease my brains" while a pint was "enough for two at lunch and one at dinner".
EU rules currently limit sparkling wine sales to bottles containing 375 millilitres, 750 ml or multiples of 750 ml and Rathfinny said its bottles would be 500 ml -- slightly more than a traditional imperial pint.
"Even though the Rathfinny pint will be ready next year, it is unlikely the pint bottles will be on sale before 2021," the winery said in its statement.
"No matter what your thoughts on leaving the EU, one benefit will be the ability to sell sparkling wine in a pint-sized bottle," Driver said.
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