Corrie Chabau had just renewed his home insurance when the letter arrived last week.

Printed under a crisp council letterhead were details of updated flood risk mapping that could send his already expensive premium through the roof.

But Chabau is one of the lucky ones; some of his neighbours' homes could be rendered uninsurable under the proposed changes.

Logan City Council is working on a new town plan that includes updated flood risk mapping as required by the Queensland government.

Two rivers and almost 90 creeks run through the region, which has experienced severe flooding as recently as 2022.

"This risk-based mapping considers a range of floods, from common to extremely rare, and their potential impact," Mayor Jon Raven told 9news.com.au.

"We can't stop floods but we can bett

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