Dropping off at UK airports can vary a lot—Gatwick charges around £10, while...

https://www.runway-bookmarks.win/if-you-re-dropping-someone-off-at-a-uk-airport-the-charges-can-catch-you-off

Dropping off at UK airports can vary a lot—Gatwick charges around £10, while Heathrow is about £7. On average, you’re looking at about £6.51, but don’t forget pick-up fees too