Originally Posted by
Genius1
With a few exceptions for very top tier BA frequent flyers who may be offered an airline-operated car service, Heathrow VIP is the only service which will drive you to your aircraft:
https://www.heathrowvip.com/. If you're flying in a premium cabin, you can purchase this from £3,300 per arrival, departure or connection (for up to 3 pax).
if you don’t actually want driving, are there any services other than the above which can expedite you between terminals, especially if transferring on separate tickets?