Non-Australians who click on linked article on huntsmans[1] should note these are regular visitors in our homes. But as much as I love scaring foreigners with our wild life (google dropbear) the ones you see day to day in urban environments are generally 10cm across and happily cohabit with humans.
[1] http://largestfastestsmartest.co.uk/largest-spiders-in-austr...