The title of this episode "Is There Honey Still For Tea", is the closing line from "The Old Vicarage, Grantchester" by the English poet Rupert Brooke in 1912 while in Berlin.
This episode illustrates that 3 months have passed since the season 5 episode The King was in his Counting House.
The cottage used was also used in Hi-de-Hi series 5 "Save our Heritage".