Wellington sludge minimisation plant faces estimated 20 per cent cost increase

Friday 8 August 2025 · 3 outlets · 2 reports · updated Fri 8 Aug 2025, 8:19pm

In this story Wellington City Council

The Wellington City Council's $400 million sludge treatment plant is facing a budget blowout of approximately $80 million. Councillors were informed that the project, which is scheduled for completion next year, could see costs increase by around 20 per cent.

How they headlined it

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4:44pm8:19pm

1. The PostFri 8 Aug 2025, 4:44pm

   Wellington’s sludge plant faces ‘ball park’ 20% cost blowout (opens in new tab)

2. Stuff via RNZFri 8 Aug 2025, 8:19pm

   Wellington council's planned sludge minimisation plant faces increased costs (opens in new tab)

   Also on RNZ (opens in new tab)