When George explains that Carol has left for Dover, he appears to have been badly dubbed, and is saying different words from those which are heard.
At c.48 minutes: Carol travels to Bow, in the East End of London, where she goes into an underground station which is being used as an air raid shelter. However, the name of the station is "Gunnersbury" which is in Chiswick in the West End of London, about 15 miles away.
The pub landlord throws a customer out for entering his premises through the window rather than the door, but when the customer entered, the landlord was pulling pints and clearly did not see him enter at all.