Possible Clues:

• What Sunak will do at election time -- leave the city
• Take a walking holiday? Then Mrs May might do this!
• Move to a green outlook and seek re-election
• PMs regularly do it, though they may not have seats there
• Abandon capital, perhaps, to enable possible political change
• Call an election
• Dissolve Parliament to make state visit
• Abandon urban areas, as PM may have to?
• Call an election and visit a rural constituency?