Either, a moderate and sensible group of parties wins enough votes to form a coalition, or the radical left, led by Mr. Tsipras wins.

FORBES: Forget Spain And Greece, Signs Of German Weakening Spell Trouble For Europe

In that event, the sensible depositor would withdraw their money in physical Euro form, pack it into a suitcase and bury it in their garden.

FORBES: Greek Euro Exit: 60% Currency Devaluation, Default, Banking Sector Collapse

"I think it would be logical and sensible for both parties to be able to present their separate vision to the public in time for the public to form a clear view before the election, " Graham Brady, chair of the influential 1922 backbench committee, told BBC Radio 4's The Westminster Hour.

BBC: UK Politics