Correct me if I am wrong but if something is built in Wales, then they are usually called British made. If something is made in England then its usually called made in England or referred to as Anglo.
The trouble is all Airbus wings are built in Hawarden in Wales. The Airbus 340 is assembled in France although the A320 family is assembled in Hamburg, Germany with other components from other countries in world including Spain. I am not sure if there much about the aircraft that is English or Anglo at all so how can it be Anglo? Then the word Anglo derives from the word Angel a once German tribe like the Saxons so may you are right after all!
alles klar