Dropping someone at a UK airport can quickly add up—on average, it costs around...

https://codyssplendidjournal.cloudhinter.com/posts/heathrow-drop-off-charge-ps7-with-no-free-time-how-do-you-avoid-it

Dropping someone at a UK airport can quickly add up—on average, it costs around £6.51 just to stop briefly. At Gatwick, it’s closer to £10, while Heathrow charges about £7