There's growing concerns that a lack of water infrastructure will slow down housing developments planned for parts of Auckland.

On the Hibiscus Coast anyone without resource consent may have to wait until 2031 for a wastewater connection.

The Army Bay treatment plant upgrade is not expected to be completed until 2031.

Andrew Crosby of Xpect Property Limited says it's 'shocking' how much of Auckland has no water or wastewater capacity.

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