It comes as rival bank ANZ also announced increases in fixed home loan rates by up to 20 basis points on Wednesday.
ANZ NZ’s managing director for personal banking, Grant Knuckey, said: “These adjustments across our lending and savings rates reflect recent moves in wholesale interest rates.
“Since the fixed rate changes we made in March, wholesale rates have continued to rise across all terms.
“Lower interest rates have flowed through to customers with around 82% of our home loans on a rate below 5%.”
ANZ said it plans to review interest rates in response to international and local market conditions.
Last week, the Reserve Bank (RBNZ) held the Official Cash Rate (OCR) at 2.25%, but its monetary policy committee warned that “in the near term, inflation is expected to increase and the economic recovery to weaken”.
“The Middle East conflict has disrupted global supply chains, leading to significantly higher prices for oil and refined petroleum products.”
The RBNZ also expected the annual Consumers Price Index inflation to reach a high of 4.2% in the June 2026 quarter. It is already outside the target band at 3.1%.
Earlier this week, ANZ economists said they expect three consecutive OCR hikes – in July, September and October – something rival Kiwibank economists pushed back on as “reckless”.
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