Last month, Gusbourne said sales were up 25 percent during the first six months of 2023.
Big companies, also including Chapel Down and Nyetimber, have secured partnerships with English cricket and Ascot racing.
Gusbourne head winemaker Mary Bridges described the industry as “dynamic and rapidly expanding”.
Vintage year: English sparkling wine producer Gusbourne is controlled by former Conservative vice-president Lord Ashcroft (pictured)
The wine producer is controlled by Lord Ashcroft, former deputy chairman of the Conservative Party.
It plans to plant another 135 acres of land over the next two years as demand increases.
Gusbourne has 230 acres of mature vines in Kent and West Sussex and this year shelled out £1.7 million for additional land next to his vineyard in Kent.
Chapel Down boss Andrew Carter said last week that the UK’s climate is the same as that of the Champagne region in the late 1980s.
“It’s this bittersweet part of global warming,” he said.
