How Old Do You Have to Be to Vape? Box Centaurus M200 Lost Vape Box Double Accu 18650 200W LOST VAPE Centaurus M200 Box Mod 200W Use of vapes (e cigarettes) among young people in Great Britain ASH How Old Do You Have to Be to Buy Vapes in the UK? People born after Dec. 31, 2008 would be banned from ever buying cigarettes in the UK under the Tobacco and Vapes Bill passed by Parliament. The buying age would rise every year,