Mortgage calculators
If you're looking to find out how much you can borrow or what your mortgage repayments might be, you've come to the right place.
Banks will often let you borrow more money than you can actually afford. Our home loan experts will help to give you an idea of how much you can afford to borrow.
And if you're looking to work out what your repayment amounts might be, check out our mortgage repayments calculator - it's easy to see how your repayments change based on loan size, rate or loan term.
How much can I borrow for a house?
Tell us a little about your financial situation and we'll work out how much you could borrow towards purchasing a home.
Work out your mortgage repayments
Want to know how your home loan repayments change if you adjust the loan amount, the interest rate or the loan term? Just pop your details into our quick mortgage repayment calculator below.
It'll show you your repayment amounts, how much total interest you'll pay over the life of the loan, and the difference between monthly or fortnightly repayments.
What will my mortgage repayments be?
Work out your regular repayments and how quickly you could pay off your home loan.
*This calculator is intended as a guide for illustrative purposes only and is not intended to provide financial advice. The results are based on the information you enter and assume that interest rates and loan terms remain constant for the duration of the loan. It does not account for fees, fluctuating interest rates, or changes to your financial situation over time. Please note that actual repayment amounts may differ and interest rates are subject to change. To talk to one of our team at Squirrel, contact us here. We recommend seeking financial advice about your situation and goals before making any financial decisions.
Why choose Squirrel for your mortgage?
Our advisers aren't incentivised
They get paid the same no matter which lender you end up with, so the only motivation is to make you better off.
Better mortgage rates
We write about $3 billion of home loans per year which gives us negotiating power and access to better rates.
Better technology
Our online application takes less than 10 minutes, and will help us focus on what's most important to you.
More banks, more choices
Our First Home Buyers Guide has everything you need to know
If you're planning on getting your foot in the door of the property market, everything you need to know about deposits, house prices and navigating the process is in our free digital guide.
Wondering about your deposit?
Basically, banks won't lend the full house price amount - you need to be able to put down a deposit, and the more the better. You may be familiar with 20% as the magic number, but the reality is if you're in a strong financial position we can work with as little as 5% deposit.
Calculating your borrowing power
A mortgage calculator is a good place to start when starting to think about how much you can borrow. But there are lots of factors that come into play, and every situation is different. Here are a few things to consider.
Get schooled up so you can make smarter decisions.
The more you understand about borrowing for a house, the more likely you will be to make more informed decisions that work for you. We've written a few articles that we think you'll find helpful.
OCR & interest rates update – November 2025
And with that, we're (very likely) at the bottom. The Reserve Bank cut the OCR by 0.25% on 26 November—bringing us down to 2.25%, and hopefully giving things the final little push needed to get us back on track. Here's what it means for the NZ economy, interest rates, and borrowers.
When should I refinance my mortgage?
Refinancing hasn't always been a super popular option among Kiwi borrowers, put off by all the admin involved. But the benefits—like cashbacks and the chance to restructure your mortgage and other debts to get them working better for you—could mean it's well worthwhile. Here's what you need to know.
All eyes on interest rates: Key OCR dates to watch for in 2026
With the OCR now sitting well below the RBNZ's estimated 'neutral' point of 3.00%, we're officially in stimulatory rate territory—and just how long we stay here remains to be seen. With that said, here's the key OCR dates you need to watch for in 2026.
After a bit more information?
Talk to one of our mortgage experts about your home loan needs today. You can contact us via our website or just give us a call, 7 days a week and we'll be happy to chat. No pressure.
Don’t just take our word for it
Rutger K
New Zealand
Easy and straightforward. Had all my questions answered
Kelly
New Zealand
Excellent
Ben
New Zealand
Great communicators kept us informed throughout the whole process. Really happy with the outcome.
Brendan
New Zealand
Super easy, great communication.