Dropping someone at a UK airport can cost an average of £6.51, but at places...

https://wiki-canyon.win/index.php/Why_Do_Airports_Charge_for_Sixty_Seconds_at_the_Kerb_Now%3F

Dropping someone at a UK airport can cost an average of £6.51, but at places like Gatwick, it can hit £10. Heathrow charges around £7. Our breakdown doesn’t just cover drop-off fees—you’ll get the lowdown on pick-up costs too