You can be stopped, fined or arrested by police if you are under 18 and drinking alcohol in public.
If you are under 18, it is against the law:
for someone to sell you alcohol
to buy or try to buy alcohol
for an adult to buy or try to buy alcohol for you
to drink alcohol in licensed premises (such as a pub or restaurant)
Working in a restaurant or bar under 18
You can serve alcohol in a restaurant if you are 16 or 17 as long as the licence holder or bar manager has approved the sale.
You may be restricted to selling alcohol in sealed containers (such as cans or bottles) in some areas.
For further information: