Originally Posted by
christep
MSC rules aren't about distance, they are about which flight crosses an IATA area boundary. In your case the first flight to do so is the HKG-LHR flight, so the baggage allowance for that flight applies to the whole journey.
Your e-ticket should also specify your baggage allowance - what does it say?
Thanks for pointing that about about the eticket, hadn't thought to look there. Both legs say 30K in tiny letters
Panic over