The filming location of the first tea shop is at 91 Upper St Giles Street, Norwich, which still looks exactly the same as in the episode! The second tea shop is at 14 Tombland, Norwich, adjacent to the entrance of Tombland Alley.
The second of two appearances by Andrew Burt, the other being in S4 E13, There's One Born Every Minute (1981).
As of January 2021 this was the last on screen performance for Debbie Norris and Glenda Smith as the two waitresses. It is also the only on screen performance by both the Café Owner played by Garth Walker and the schoolboy played by Tony Kassell.