Pauline Hanson says the cost of One Nation’s plan to offer cheap home loans would be capped at $11.5 billion, rejecting warnings it could cost up to 50 times more.

The policy would offer 30-year fixed rate mortgages at 5 per cent, undercutting the big four banks but potentially exposing the federal government to significant losses.

Pauline Hanson says the cost of One Nation’s plan to offer cheap home loans would be capped at $11.5 billion, rejecting warnings it could cost up to 50 times more.