A bottle of Reforged by Alesmith, the most expensive beer in London. See SWNS story SWNNpint. A London pub is selling what is believed to be Britain's most expensive beer - at an eye-watering £80.15p a pint. The Craft Beer Co chain has the imported American craft ale on sale at its boozer in Brixton, south London, at £105 for a 750 ml (1.3 pints) bottle. Reforged 20th Anniversary Ale is made by the AleSmith Brewing Company, an "artisanal" microbrewery in San Diego, California. If beer lovers want to take away a bottle of the ultra strong ale to enjoy at home they get a one-third discount.