| Who... | PM |
| served during the reign of Queen Victoria | |
| were assassinated | |
| were the first PM of the current political parties to be elected | |
| served for less than a year | |
| were born outside the current borders of the UK | |
| became PM over the age of 80 | |
| went to Eton | |
| have a blend of tea named after them | |
| were an MP in a borough abolished by the Great Reform Act | |
| tried to rescue and rehabilitate London prostitutes | |
| were the son of another British PM | |
| represented a constituency within Greater London | |
| were attacked by suffragettes | |
| spoke English as a second language | |
| are still alive | |
| have a statue in Parliament Square | |