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Refinancing is the process of replacing your existing home loan with a new one, typically from a different lender. The new lender pays out your old loan in full, and you begin making repayments on the new loan under its own terms, rate and features. In Australia, refinancing has become one of the most common ways borrowers reduce their monthly repayments and save money over the life of their mortgage.
The core idea is straightforward. If interest rates have dropped since you first took out your loan, or if your financial position has improved enough to qualify for a more competitive product, switching to a lower rate means less of your money goes toward interest each month. That difference compounds over time and can translate into tens of thousands of dollars in savings across the remaining term of your loan.
Refinancing is not limited to chasing a lower rate. Many borrowers refinance to access better loan features such as an offset account, redraw facility or the ability to make unlimited extra repayments without penalty. Others refinance to consolidate debt, release equity for renovations, or restructure their loan from interest only to principal and interest repayments.
There are several situations where refinancing makes strong financial sense. The most obvious trigger is a meaningful gap between your current rate and what is available on the market. If you are paying 0.25% or more above the best rates for your loan type, it is worth running the numbers through a refinance calculator to see what you could save.
Another common trigger is the end of a fixed rate period. When your fixed term expires, most lenders revert you to their standard variable rate, which is almost always higher than the competitive rates being offered to new borrowers. This is sometimes called the loyalty tax, and it can cost you hundreds of dollars per month if left unchecked.
Changes in your personal circumstances can also make refinancing attractive. If your income has increased, your credit score has improved, or your property has grown in value, you may now qualify for products that were previously out of reach. Borrowers who originally needed Lenders Mortgage Insurance because their deposit was below 20% often find that property growth has pushed their loan to value ratio below 80%, opening up significantly better rates.
You should also consider refinancing if your current lender is not meeting your needs. Poor customer service, outdated digital banking, lack of offset account functionality, or restrictive extra repayment policies are all valid reasons to look elsewhere.
Before committing to a refinance, you need to understand how long it will take for the interest savings to outweigh the costs of switching. This is called a break even analysis and it is the single most important calculation in the refinancing decision.
Start by adding up all the costs involved in switching. These typically include your current lender's discharge fee, government registration fees, and any application or valuation fees charged by the new lender. If you are breaking a fixed rate loan early, include the break costs as well.
Next, calculate your monthly saving by comparing your current repayment with what you would pay at the new rate. Divide the total switching costs by the monthly saving to find your break even point in months. If that number is 12 to 18 months or less, refinancing is generally considered a sound financial move.
For example, if your switching costs total $1,500 and you save $250 per month on your new loan, your break even point is just six months. After that, every dollar saved goes straight into your pocket.
Understanding the full cost picture is essential before you refinance. Here are the main fees to be aware of in Australia.
Your current lender will charge a discharge or termination fee to close out your existing loan and release the mortgage over your property. This typically ranges from $150 to $400 depending on the lender and your state or territory.
You will need to pay mortgage deregistration and registration fees to your state or territory government. These vary but are generally between $200 and $500 in total.
Some new lenders charge an application fee or require a property valuation. However, many lenders waive these fees for refinance customers, and some offer cashback incentives that can more than cover your total switching costs.
If you are currently on a fixed rate and want to refinance before the fixed period ends, your lender may charge break costs. These can be substantial, sometimes running into thousands of dollars, depending on how much rates have moved since you locked in your fixed rate. Always request a break cost estimate from your current lender before proceeding.
In Australia, lenders are required by law to display a comparison rate alongside their advertised interest rate. The comparison rate is designed to give you a more accurate picture of the true cost of a loan by factoring in most fees and charges associated with the product.
When comparing refinancing options, always look at the comparison rate rather than just the headline rate. A loan with a very low advertised rate but high ongoing fees may end up costing more than a loan with a slightly higher rate but fewer fees. The comparison rate helps level the playing field and makes it easier to compare apples with apples.
That said, the comparison rate has limitations. It is calculated based on a standard $150,000 loan over 25 years, which may not reflect your actual loan size or term. It also does not account for features like offset accounts that can significantly reduce the interest you pay. Use it as a starting point, but do your own analysis based on your specific situation.
Your loan to value ratio, or LVR, is one of the most important factors lenders consider when assessing a refinance application. LVR is calculated by dividing your remaining loan balance by the current market value of your property and expressing it as a percentage.
Borrowers with an LVR of 80% or below generally have access to the best rates and the widest range of products. If your LVR is above 80%, you may need to pay Lenders Mortgage Insurance again, which can add thousands to your costs and significantly reduce the financial benefit of refinancing.
The good news is that property values in many Australian markets have risen substantially in recent years, which means your LVR may be lower than you think. If you purchased your home with a 10% deposit five years ago and the property has grown in value, your effective LVR could now be well below 80%, unlocking far more competitive rates.
The refinancing process is simpler than most people expect. Here is a step by step overview of what is involved.
Step 1: Review your current loan. Check your current interest rate, loan balance, any remaining fixed rate period, and the features you use. This gives you a baseline to compare against.
Step 2: Research your options. Use a refinance calculator to estimate your potential savings. Compare rates from multiple lenders or speak with a mortgage broker who can access a wide panel of products on your behalf.
Step 3: Apply with your chosen lender. Submit your application with the required documents, including payslips, bank statements, identification and details of your existing loan.
Step 4: Property valuation. The new lender will arrange a valuation of your property to confirm its current market value and calculate your LVR.
Step 5: Loan approval. Once your application is assessed and approved, the new lender will issue formal loan documents for you to sign.
Step 6: Settlement. The new lender pays out your old loan in full. Your old mortgage is discharged and the new one is registered. From this point, you make repayments to your new lender.
While refinancing can deliver significant savings, there are pitfalls to avoid. One of the most common mistakes is focusing solely on the interest rate without considering the full picture. A low rate means little if the loan comes with high ongoing fees, lacks an offset account, or restricts extra repayments.
Another frequent error is resetting the loan term. If you have been paying your mortgage for eight years and you refinance into a new 30 year loan, you are extending your total repayment period and may end up paying more interest overall, even at a lower rate. Where possible, set your new loan term to match the remaining years on your old loan.
Failing to account for all switching costs is another trap. Some borrowers see a lower monthly repayment and jump in without tallying up discharge fees, registration costs and potential break fees. Always run a break even analysis before committing.
Finally, many borrowers make the mistake of refinancing too frequently or not frequently enough. Switching every year can rack up unnecessary fees, while staying loyal to a lender for a decade without reviewing your rate almost guarantees you are paying more than you need to. A good rule of thumb is to review your home loan annually and refinance when the numbers support it.
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