Western countries and Israel, thought to be the Middle East's only country with nuclear weapons, say Iran is seeking to acquire a nuclear bomb, which the Islamic republic denies.
Pollsters suggest, with some caution due to undecided voters and wintry weather, that the LDP and its coalition partner could secure 310 seats needed for a handy two-thirds majority.
Some have asked why they cannot be seized under laws meant to prevent homes standing empty or becoming uninhabitable, particularly in a city with a housing shortage.