Buying guide

The pros and cons of refinancing your mortgage

Why switching to a new mortgage lender is always worth considering

Murray Joiner
Last updated: 27 August 2025 | 4 min read
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Refinancing your mortgage means getting a new loan, often with a different lender, to pay off your existing one. This is distinct from restructuring (changing your current loan setup) or refixing (choosing a new fixed rate).

Kiwis often refinance to secure a better deal, such as a lower interest rate, reduced repayments, or to access cash incentives and home equity. However, be aware of potential costs like break fees, lawyer fees, and valuation fees.

An annual mortgage review is recommended, and a mortgage broker can help you compare lenders and navigate the process.

What you'll learn:

What is mortgage refinancing?

Why do people refinance their mortgage?

Refinancing offers more than getting a better deal, it could allow you to free up some cash.

What are the downsides of refinancing your mortgage?

Visit the free information website

mortgages.co.nz has a clear and concise section entirely dedicated to reviewing or refinancing your mortgage.

Learn more

Author

Murray Joiner Murray Joiner
Content Writer