Can I e-smoke anywhere?
There are currently no UK laws to forbid the use of electronic cigarettes in public places. The Health Act 2006 talks about the UK smoking ban and this relates to smoking tobacco or anything containing tobacco; tobacco-free e-cigs can be enjoyed wherever YOU desire.
However, although you can legally smoke your electronic cigarette in pubs, restaurants, cinemas and on planes, etc., it is advisable to ask permission first. You'll find the reaction of most people is curiosity, but there are some who refuse to allow the use of an e-cig on their premises.