Originally Posted by
ademanuele
Can I just check/confirm, a stopover in London (which may include an overnight stay) for less than 24 hours avoids UK Air Passenger Duty?
Yes. I have done this many times. Less than 24h is the key. The APD is just a money grab and the old saying " give a mouse a cookie and then he will want a glass of milk " except the glass has turned into a gallon ( imperial ) Quote below sums it up.
"Introduced in 1994 as a “green” tax, levied on every flight departing a UK airport, the proceeds from APD have never actually been used to neutralise the environmental impact of air travel and have instead been funnelled into the general tax pot."