Do I need a licence to own an air rifle in the UK?
In the UK, the Firearms (Dangerous Air Weapons) Rules 1969 requires you to have a licence, in the form of a firearm certificate, to own a more powerful air rifle. Air rifles over the power limit of 12 ft/lbs (16-27 Joules) are classified as Section 1 firearms and are required to obtain a firearm certificate as well as other controls. For low powered air rifles, no licence is required (below 12 ft/lbs)