Almost everyone who moves into a new house needs to call back a tradie to deal with a defect, according to new reports.

Data in the new BRANZ Build Insights dashboard shows that after they had moved in, 86 percent of new homeowners needed to call back their builder or other tradesperson to fix something after they've moved in.

Greg Wallace, CEO of Master Plumbers, says tradies need to focus on getting things right the first time.

"There is no benefit for a tradesman to go back and have, no charge to the consumer, to rectify a problem."

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