Dropping someone off at UK airports can quickly add up—on average, it costs...

https://wiki-neon.win/index.php/What_Is_a_Kiss_and_Fly_Charge_in_the_UK%3F_Understanding_Airport_Drop-Off_Fees

Dropping someone off at UK airports can quickly add up—on average, it costs about £6.51, but at places like Gatwick, it’s often £10. Heathrow’s drop-off runs around £7