Applications to build new houses dropped 0.7 per cent last month due to fewer smaller places being planned, Statistics NZ data showed.
The seasonally adjusted number of new homes consented fell 0.7 per cent in July after a 1.3 per cent fall in June and construction statistics manager Melissa McKenzie explained why.
"July's fall was driven by the number of consented apartments, townhouses and retirement units which fluctuates from month to month," she said.
The seasonally adjusted number of stand-alone houses consented rose 8.5 per cent, more than reversing a 4 per cent fall in June, Statistics NZ data showed.
The number of new residences of all types consented was 2762, made up of 1900 houses (up 7.9 per cent from July 2016), 367 apartments (down 14 per cent), 350 townhouses, flats, and units (down 20 per cent) and 145 retirement village units (down 23 per cent).