Auckland might not grow as fast as expected but it still won't have enough houses to provide for its new residents, a report indicates.
A 15-member expert group was asked by Auckland Unitary Plan Independent Hearings Panel to look into what kind of demand there'd be on land in the future, and whether there'd be enough houses to go around.
The Auckland Plan aims to accommodate an extra 400,000 houses, based on the city growing by one million people between 2011 and 2041.
Planners want to accommodate most of the growth centrally, which would require up to 280,000 dwellings within the metropolitan area.
But some experts believed the population would grow by fewer people - between 700,000 and 800,000 - but others said it was safer to overestimate than underestimate.
The experts couldn't agree on how many dwellings could be created under the current rules, with some saying it would fall well short of what the Auckland Plan said was required.
The report acknowledged that there had been robust debate and disagreement among the experts, and not everyone agreed with everything in the report.