Surely Luton is only in London for the purposes of Airport marketing?
Speaking of which, this is what the Americans are told by one UK company (though it's actually a US company pretending to be British):
"Gilchrist & Soames is based in Indianapolis, Indiana and
Peterborough, London, England."
External Link/Members OnlyYes, that's
Peterborough , that apparently has "London" as part of its address even though it lies further north than Birmingham and is 95 miles from Piccadilly Circus...