The Reserve Bank has revised up its estimate of the economy's potential or non-inflationary growth rate next year, but it is still shy of the levels prevailing between the mid-90s and mid-2000s.

The New Zealand dollar is within striking distance of its post-float high against the US dollar and may surpass it, says an analyst.

A perfect storm of interest rate hikes, lending restrictions and inclement weather is being blamed for a slump in house sales.

Auckland house sales data for June is out, showing a slight decline in sales volumes but average sale prices up $11,088 - that's a daily price rise of $369.60.