Obviously, access to Facebook is 'vital' to most in this age group so you might want to consider pocket wifi rental for use with their smartphone or laptop but you also want to know the places to go together to have fun and enjoy London.
This is where the Top 10 Things to Do in London With Teenagers comes in to help. And as with other Top 10s, I've added a few extra on the end as I can never resist sharing the great things to do in London. Plus, you can add your ideas to the list too. London Travel Blog