Mining billionaire Gina Rinehart wants to be able to land helicopters on the roof of her corporate HQ, and says the noise experienced by nearby residents would be similar to using a coffee machine or blender.

People living on Perth’s western fringe are being asked to weigh in on billionaire Gina Rinehart’s amended Hancock Prospecting HQ helipad proposal.

Hancock Prospecting has gone to the State Administrative Tribunal and lodged a fresh development application for a helipad at the eye-popping West Perth building.