Lowest Mortgage Rates NZ 2025: Current Best Rates & Forecast

If you’re shopping for a home loan in New Zealand right now, mortgage rates have come down from their peaks with the lowest 1-year fixed rate at 4.65% p.a. from ANZ and ASB and the 6-month term dipping even lower at 4.49%. This guide breaks down the best advertised rates, what the Reserve Bank’s latest OCR move means, and how to think about your repayment plan, whether you’re a first-time buyer or renewing a fixed term.

Lowest 1-year fixed: 4.65% p.a. ·
Lowest 6-month fixed: 4.49% p.a. ·
Current OCR (July 2025): 3.25%

The pattern across major lenders shows shorter terms carrying the most aggressive pricing right now.

What is the lowest mortgage interest rate in NZ?

Current lowest fixed rates by term

Six rates from the major banks, one pattern: the shortest terms offer the most aggressive pricing right now. According to the rate tracker from Opes Partners (mortgage advisory firm), the 6-month fixed term leads at 4.49% p.a., available from ASB and Kiwibank. The 1-year term follows at 4.65% p.a. from ANZ and ASB. As you lock in longer, rates climb: 2-year at 5.19% (Westpac), 3-year at 5.29% (BNZ, Westpac), 4-year at 5.39% (BNZ, Westpac), and 5-year at 5.49% (BNZ, Westpac).

The rate ladder shows a clear premium for longer-term certainty.

The implication: borrowers who take the shortest term capture the biggest savings but must watch the rate cycle closely.

Where to find daily updated rates

Aggregator sites like Opes Partners and Squirrel update their tables daily with special and standard rates from all major banks. The Finch Mortgages NZ broker blog also lists indicative ranges, noting that wholesale swap rates have dropped significantly since their 2023 peaks above 7%.

Will interest rates drop to 3% again?

Historical context of 3% mortgage rates

During 2020-2021, the OCR was slashed to a record low, and mortgage rates dropped to around 2-3% for many borrowers. That period ended when the Reserve Bank began raising rates in 2022, pushing the OCR to 5.5% by 2023 and taking fixed rates above 7% at their peak.

Current OCR trajectory and market expectations

The most recent OCR decision in July 2025 held the rate at 3.25%, as Squirrel (mortgage broker) reports. Most economists and brokers do not expect a return to the 3% mortgage rate environment. The Finch Mortgages guide notes that swap rates, while lower than 2023, are still well above the levels that produced sub-3% lending.

“Any rates under 5% are a good deal right now.”

— Squirrel mortgage broker, July 2025 commentary

The pattern: a return to 3% lending would require an economic shock that currently has no basis in RBNZ projections.

Will interest rates go below 5% in 2026?

Factors that could drive rates lower

The RBNZ’s easing cycle is expected to continue if inflation remains under control. Squirrel’s report indicates that the OCR hold at 3.25% signals a cautious approach, but further cuts are possible in late 2025. Wholesale swap rates have already fallen sharply, according to Finch Mortgages, which directly influences fixed mortgage pricing.

What borrowers should do now

Borrowers with a fixed term ending soon might consider a 1-year fix to take advantage of current low rates while keeping flexibility for further cuts in 2026. Those who prefer certainty could lock in a 2-year fixed at 5.19% with Westpac.

How much is the repayment on a $400,000 mortgage in NZ?

Repayment examples at different interest rates

The monthly cost difference between the shortest and longest terms is significant for a typical loan size.

The trade-off: shorter terms lower monthly payments, but you’ll face re-pricing sooner. Fixed-rate calculators from bank sites and aggregators let you model your exact situation.

The implication: a shorter loan term costs more each month but saves tens of thousands in total interest over the life of the loan.

Can older borrowers get long-term mortgages?

Mortgage eligibility for borrowers aged 50+

Most major NZ lenders will offer a 25-year mortgage to a borrower aged 50, provided they have a stable income and meet standard credit checks. Some lenders require a lower loan-to-value ratio (LVR) to mitigate the risk of extending credit into retirement years.

Lending criteria for borrowers aged 70+

A 70-year-old borrower can sometimes obtain a 30-year mortgage, but terms are often shorter and may require a larger deposit. Lenders may cap the loan term at 15-20 years or demand a guarantor. Policies vary by institution.

Is 40 too old for a 30-year mortgage?

No. A borrower aged 40 is well within standard lending criteria for a 30-year mortgage. The loan would be fully repaid by age 70. The key factor is the borrower’s ability to service the debt over the full term, not the starting age alone.

The catch: age alone rarely blocks a mortgage, but lenders adjust terms and LVR requirements based on retirement proximity.

Confirmed vs. unclear

Quotes from the market

“Any rates under 5% are a good deal right now.”

— Squirrel broker, July 2025 commentary

“Wholesale swap rates have fallen sharply from the 2023 peaks, which is driving fixed rates down.”

— Finch Mortgages, interest rate guide

“The lowest advertised rate we see across the six major banks is 4.49% for the 6-month term.”

— Opes Partners rate tracker

For New Zealand borrowers, the choice is now between grabbing the lowest short-term rates or locking in a longer fix for stability. The implication is clear: if you can manage the repricing risk, the 6-month or 1-year term gives you the cheapest monthly payments. For those who need predictability, the 2- or 3-year fixes still offer rates well below 5.5%. Age is not a barrier for a 30-year mortgage until past the 50s, but older borrowers should always check lender-specific policies. The data shows rates are unlikely to revisit the pandemic-era lows, but the current environment is the most borrower-friendly since the hike cycle began in 2022. Borrowers who act now on short-term fixes capture the best balance of low cost and optionality.

Frequently asked questions