No details on the size of the action taken in an attempt to push the kiwi lower.

RBNZ governor says the country's financial health is still sound, though growing private sector credit and rising house prices pose a concern.

The central bank has been juggling a booming housing market against a rampant kiwi that has kept a lid on tradable inflation.

"At this point, we expect to keep the OCR unchanged through the end of the year."