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Plumbing and drainage work that doesn't need a building consent

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information plumbers drainlayers

If you are undertaking plumbing and drainage work, you may not need a building consent if the work is completed by an authorised person.

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Certain plumbing and drainlaying jobs can be done without the need for a building consent if the job is done by an authorised person:

a registered certifying plumber or drainlayer
a plumber or drainlayer who carries out the work under the supervision of a registered certifying plumber or drainlayer – as long as they are registered, hold a provisional licence, or are under training.

Search the public register for current authorisation from the Plumbers, Gasfitters, and Drainlayers Board.

What the exempt work includes

The following building work does not require a building consent

Related content

Building work that does not require a building consent.

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This information is published by the Ministry of Business, Innovation and Employment’s Chief Executive. It is a general guide only and, if used, does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case. Expert advice may be required in specific circumstances. Where this information relates to assisting people:

with compliance with the Building Act, it is published under section 175 of the Building Act
with a Weathertight Services claim, it is published under section 12 of the Weathertight Homes Resolution Services Act 2006.