The airport answer
Is there a private terminal at Heathrow?
Yes. The Windsor is Heathrow's private terminal: a chauffeured car brings you to a private suite, Border Force clears your passport there, and a car takes you across the apron to the aircraft. It works on any airline, from any Heathrow terminal, in both directions, with a business or first ticket, from £4,060.21 one-way for up to three guests.
Heathrow runs it itself, which is why it works across all four terminals and every airline that serves them. It is not a lounge with a nicer door: you never enter the public terminal at all. The full picture (suites, pricing, the arrival service) sits on the terminal's own page below.
Every price and access rule is sourced and dated on its own terminal page. We cite or leave blank; we never guess.
Questions
Is there a private terminal at Heathrow?
Yes: The Windsor, run by Heathrow itself. Private suite, private Border Force passport control, and a car across the apron to the aircraft, on any airline from any Heathrow terminal.
How much does The Windsor cost?
£4,060.21 one-way for up to three guests, on Heathrow's own price calculator. A return doubles it.
Can I use The Windsor flying economy?
No: it requires a business or first ticket, on any airline. Flying economy from London, the nearest private terminal that will take you is Signature ELITE Class at Gatwick, from £660 for the first guest.
Does The Windsor work on arrival into Heathrow?
Yes: it runs in both directions. On arrival, a car meets the aircraft and a private Border Force team clears your passport in your suite.
Is The Windsor the same as a first-class lounge?
No. A lounge is a room you reach after the public security and passport queues. The Windsor replaces those queues entirely; you never set foot in the public terminal.
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