Use visit each of the rooms within the Town Hall to fill in the map.
The archive room tells you 6 is related to a surname.
10 and 14
The statue in the art room directs you to Twitter where you can find the answers for 10 and 14.
7 and 13
The speaker-point in the cloakroom will give you the answers.
A note in the reading room will give you the asnwer.
Use the telecsope in the office to see what kind of place a live-actor Punch and Judy show woudl take place.