Further concern about the state of Wellington City Council's books as it agrees to a new budget for the Town Hall. 

The council agreed to approve up to $147-million towards the redevelopment, an expense which could bring the total up to $329-million. 

The heritage-listed building has been closed to the public for the past decade for quake-strengthening. 

Wellington Chamber of Commerce Chief Executive Simon Arcus worries this could impact rates or other projects. 

He says they've raised concerns about debt for a long time. 

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