Auckland could take another 86,400 dwellings in the next eight years without any risk of over-building.
The figures were in Westpac Institutional Bank's outlook for Auckland residential construction which also raised issues with the quality of new residential dwellings.
"Auckland continues to build fewer dwellings than is required to meet the demands of population growth," the report stated.
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"The construction industry can deliver 10,800 dwellings each year (a 30 per cent increase on today's levels) over the next eight years without serious risk of overbuilding.