Stansted have now introduced a fast track passport lane, which is about £7. On arrival you will, apparantly, be met by a dedicated host to assist one through as fast as possible
What is Passport Control FastTrack?
Passport Control FastTrack is aimed at making your arrival at Stansted Airport as quick and simple as possible. On arrival at the passport control area, you will be greeted at the exclusive fast track lane by a dedicated host. You will then follow the standard border control and passport checks conducted by UK Border Force before entering the Baggage Reclaim area or Arrivals.
Although another moneyspinner for them, might it also be a response to an inadequate service being provided by BorderFarce