Thinking of dropping someone off at the airport? On average, it costs around...

https://mylessmasternews.nexorafield.com/posts/is-it-ever-worth-paying-the-barrier-fee-when-you-are-running-late

Thinking of dropping someone off at the airport? On average, it costs around £6.51, but places like Gatwick charge up to £10, while Heathrow sits at £7