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Household interest costs continue to fall

By Retno Wulandari July 27, 2026
Household interest costs continue to fall - interest costs
Household interest costs continue to fall

Household spending has been helped by a drop in interest rates over the past year, according to Westpac’s chart pack on household finances. The amount households have to spend on interest payments has fallen for a fifth consecutive quarter, despite rising living costs.

Interest Rate Trends

Westpac senior economist Satish Ranchhold says further significant falls in households’ borrowing cost are not expected over the remainder of the year. While mortgage rates have been pushing upwards in recent months, there’s been some scaling back of those increases in the past week.

Essentially, the main banks are now not competing on prices over their three to five-year interest rates. Swap rates moved down by about 15 bps and the drop in the major banks’ long-term interest rates reflect these wholesale rates.

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Current Interest Rates

Three-year rates range between 5.19% and 5.29% while four-year rates are between 5.49% and 6.49%. Despite a backdrop of renewed concerns about inflation, the RBNZ is still expected to raise the OCR at a measured pace over the coming months, which will affect short-term interest rates.

Ranchhod notes that even if mortgage rates rise, the bank doesn’t expect a significant rise in households’ interest costs over the next few months because 90% of New Zealand mortgage borrowing is fixed for a period usually for terms of one to two years.

Household Assets and Incomes

The value of households’ financial assets has continued to rise and is up 3.3% over the past year. The latest data shows $234 billion is held in New Zealand Superannuation and KiwiSaver, $187 billion in New Zealand listed shares and $342 billion in commercial real estate.

However, on the residential side, the value of housing and land assets is down 0.5% and remains essentially unchanged since 2023, which has resulted in only limited growth in overall wealth levels. More than $1.67 trillion is tied up in 1.73 million homes that have $398 billion in outstanding mortgage debt.

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About 48% of household assets are held in residential real estate – a 5% increase since 2021. Over the past year, overall household disposable income levels have risen by around 5%. In part, that rise was due to the 1.5% increase in the number of households.

They estimate the average household’s disposable income rose 3.8% in the year to March, up from 3.1% at the end of last year. While overall incomes have been rising, that’s mainly due to increases in entrepreneurial earnings, which are up 14% over the past year.

Ranchhod notes that will include stronger earnings in the agricultural sector, which has been boosted by the strength in commodity export prices. That lift in agricultural earnings has been reflected in stronger economic confidence and spending in many rural regions.

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