This coming Saturday and Sunday (15th & 16th June) The Gibberd Garden, in Partnership with Herts Essex borders Branch of the Campaign for Real Ale, will be holding their annual Real Ale festival. Well worth a visit this one - up to 35 different beers available across the weekend, and they even erect a couple of marquee's in case it goes all "British Summer-ish!"
See the HEB website for more details - Gibberd Garden Beer Festival 2013