Extra repayments can help reduce your mortgage faster and potentially lower the interest you pay over time. But before putting every spare dollar into your home loan, it is worth looking at your mortgage structure, savings, other debts and future plans.
What Are Extra Mortgage Payments?
An extra mortgage payment is any amount you pay above your required home-loan repayment. It might be a small increase to your regular weekly, fortnightly or monthly payment, or a one-off lump sum from savings, a bonus or other available money.
The options available depend on your lender and mortgage structure, so check your loan terms before changing your repayments.
Why Can Extra Payments Make a Difference?
When an additional payment reduces your principal, there is less outstanding debt for future interest to be calculated on. Over a long mortgage term, consistently reducing the balance earlier can potentially reduce total interest and bring the end of the loan closer.
Simple idea: extra repayment → lower principal → less future interest → potentially shorter mortgage term.
The Benefits of Making Extra Mortgage Payments
Pay it off earlier
A manageable increase to regular repayments can help the balance fall faster and may shorten the remaining loan term.
Reduce total interest
Lowering the principal earlier can mean less interest is charged over the life of the mortgage.
Build equity faster
As your mortgage balance falls, the amount of equity you hold in the property generally increases, assuming the property value is unchanged.
When Paying Extra May Not Be Your First Priority
Paying down a mortgage faster sounds attractive, but your mortgage is only one part of your finances. If almost all your available cash goes into the home loan, an unexpected expense could leave you without enough accessible savings.
Think about home repairs, vehicle costs, insurance excesses, travel, periods of reduced income and other expenses that may appear unexpectedly. A mortgage strategy should help reduce debt without making everyday finances unnecessarily fragile.
Check Your Mortgage Before Paying Extra
Fixed-rate mortgages
Fixed lending can have restrictions around additional repayments or early repayment. The amount you can repay and any cost involved depends on the lender, product and your loan agreement. Check the specific conditions before making a large lump-sum payment.
Floating mortgages
Floating lending can offer more repayment flexibility, although the interest rate can change. This is one reason some homeowners consider keeping part of their lending in a more flexible structure.
Offset and revolving credit
Extra repayments are not the only way spare cash may help. Depending on the product, offset or revolving-credit structures can allow savings and everyday cash flow to work differently against mortgage debt while keeping some money accessible. These structures require discipline and are not suitable for everyone.
Small Regular Payments vs Lump-Sum Payments
One approach is to increase your normal repayment by an amount you can comfortably maintain. For example, an additional $50 each week equals $2,600 over a year before considering any interest effect.
Another approach is a lump-sum payment after receiving a bonus, accumulating savings or receiving other funds. Neither method is automatically better. Your income pattern, cash needs and loan conditions matter.
Should You Use Savings to Pay Down Your Mortgage?
Reducing debt and maintaining liquidity are different goals. If a lump sum represents all of your emergency savings, permanently putting the entire amount into the mortgage may leave you short of accessible cash when something unexpected happens.
You might instead retain a suitable buffer and consider using only the remaining amount for an extra repayment, or explore whether a different mortgage structure could suit the way you hold savings.
What About Other Debts?
Before directing every spare dollar to the mortgage, look at your complete debt position. Credit cards, personal loans, vehicle finance and other consumer debts may have different interest rates, fees and repayment obligations. The mortgage is not automatically the debt that should receive additional payments first.
Could a Split Mortgage Give You More Flexibility?
Some homeowners divide their lending into different portions rather than placing the entire mortgage under one structure. For example, one portion may be fixed for repayment certainty while another portion provides more flexibility for extra repayments.
There is no universal split that suits everyone. Income, savings, spending habits, future plans and comfort with changing interest rates all matter.
Questions to Ask Before Paying Extra
- Does my current loan allow additional repayments?
- Is there a limit on how much extra I can pay?
- Could an early repayment cost apply?
- How much emergency savings should I keep?
- Do I have other debts that should also be considered?
- Will I need this money in the next few years?
- Would a split, floating, offset or revolving-credit structure provide useful flexibility?
- How much time and interest could the extra repayment realistically save on my mortgage?
Related mortgage guides
How to Choose the Right Mortgage Structure
Fixed vs Variable Mortgage Rates: Pros, Cons and When Each Makes Sense
Should You Fix Your Mortgage for 1, 2, 3 or 5 Years?
How Much Should You Keep in an Emergency Fund Before Buying a Home?
Does a Car Loan Affect How Much You Can Borrow?
Frequently Asked Questions
Is it worth paying an extra $50 a week on my mortgage?
It can make a difference over time. An extra $50 each week is $2,600 a year, and reducing principal earlier may reduce future interest and shorten the loan term. The actual effect depends on your balance, rate, remaining term and loan conditions.
Can I make extra payments on a fixed mortgage in NZ?
Possibly, but the conditions vary. Your fixed loan may have limits or early-repayment provisions, so check your lender and loan agreement before making a large additional payment.
Is it better to keep money in savings or put it on the mortgage?
They serve different purposes. Mortgage repayments reduce debt, while savings provide accessible cash. Your emergency buffer, future expenses and mortgage structure should all be considered.
Is a lump-sum mortgage payment worth considering?
A lump sum can reduce the outstanding principal and potentially reduce future interest. Check the loan conditions first and consider how much accessible cash you will have left.
Should I pay my mortgage faster or clear other debt first?
Compare the interest rates, fees and repayment obligations across all your debts. Looking at your overall debt position is more useful than considering the mortgage alone.
Could Your Mortgage Be Working Harder?
Paying extra is only one way to approach your mortgage. Mortgage Advisors can review your existing lending, discuss your repayment goals and help you explore mortgage structures that may suit your circumstances.
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