Big thanks to trog (kris) for the info he gave us even with a hangover shame you could not come out but catch up next time mate thanks again.

Went here with lostexplorer got to say this is my favorite explore of 2011 i love this place and could spend days in here if you could put the reason i started exploring in a picture it would be this place !!

History

McMullens was founded in 1827 in Railway Street, Hertford. As the business grew larger it moved first to Mill Bridge in 1832 and then to Old Cross in 1891. A modern brewhouse was built in 1984. In the mid 2000s the company had a narrow escape from closure as the controlling family split between those shareholders who wanted to receive a higher dividend and those who wanted to reinvest annual profits into the company and keep dividends lower. A new independent Chairman, Charles Brims, produced a successful compromise whereby several non-brewing property investments were sold to release cash to appease the shareholders and a plan launched to build a brand new, smaller brewhouse. The company decided to shed contract-brewing and take advantage of tax breaks by becoming a smaller brewer. As the new 'Whole Hop Brewery' (opened 2006) was much more compact than the 1984-built site the spare land was sold to Sainsbury's.
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Brief details

McMullens brews cask ale and pasteurised bottled beers. The company owns over 130 pubs mainly operating in the Home Counties and with a number of pubs in London including The Spice of Life (Cambridge Circus) and The Nags Head in Covent Garden. McMullens is acquisitive and has recently purchased pubs and bars in Cambridge, Chelmsford, Sevenoaks, Fleet, Marlow, Milton Keynes and Bishops Stortford. Many of the employees at McMullen have been with the company for decades and the company have a great personal ethos to make sure each pub is locally run and serves the local community well. The Jolly Farmers for example, is run by managers who have been within the company for over 20 years.
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Beers

McMullens produce three regular cask ales and several occasional ales. The regular range consists of
Original AK, 3.7% abv
McMullen's Cask ale, a new, hoppy ale launched 2006, 3.8% abv
Country, 4.3%

Mcmullens brew a guest beer every month which is available for a limited period of time, these can include their IPA, Tooty Fruity, McDuff, Harvest Moon amongst others The beers are advertised with the tagline 'from the whole hop brewery'