The owners of apartments in a multi-storey leaky block have launched a $60 million claim against the council and other bodies.

High Court action is underway, according to Home Owners and Buyers Association (HOBANZ) chief executive Roger Levie, who spoke to Fairfax on behalf of owners of the 285-unit St Lukes Garden apartments.

Last year, the Herald reported flaws being found at the apartments, including fire safety problems which were discovered after St Lukes Gardens was pulled apart to fix weathertightness issues.

"It starts as a weathertight fix and then you find structural issues. It's not till you get the cladding off and start to look underneath that you discover the poor workmanship," body corporate chair Bill Bennett told the Herald at the time.

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The apartment block is adjacent to Westfield St Lukes mall.