Auckland house prices may have plateaued in July after hitting a record in November last year, the city's largest realtor says.

The average sale price fell 4.5 per cent to $867,681 in July from June, Barfoot & Thompson said. That’s 2 per cent lower than the average for the previous three months, but still up 4.9 per cent on July 2015. The average price hit a record $876,075 in November 2015….