Remortgage Savings Calculator

Estimate if switching lenders is worth it based on Australian market standards.

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Typical range: 1% - 5%. Enter 0 if no fixed term penalty.

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Used to calculate Loan-to-Value Ratio (LVR).
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  • Fees: $0
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You’re staring at your monthly mortgage statement, wondering if you can save money by switching deals. But before you click that 'Apply Now' button, you need to know exactly what happens behind the scenes. A remortgage is the process of replacing your existing home loan with a new one, usually from a different lender or under different terms. It’s not just a simple form fill; it involves legal checks, valuations, and potential fees that can make or break your savings.

Think of it like moving house, but without packing boxes. You are transferring the debt on your property to a new provider. If you do it right, you could shave hundreds off your monthly payments. If you get it wrong, you might end up paying more in exit fees than you save in interest. Here is the realistic timeline and what actually occurs from day one to the final settlement.

The Pre-Application Phase: Checking Your Grounds

Before any paperwork moves, you need to know where you stand. The first thing that happens is an assessment of your current contract. Most lenders impose Early Repayment Charges (ERCs) if you leave before the deal ends. These can range from 1% to 5% of the remaining balance. If your current deal has no ERCs, you have flexibility. If it does, you need to calculate whether the new lower rate outweighs the penalty cost.

Next comes the affordability check. Lenders will look at your income, outgoings, and credit history. Unlike applying for a brand-new mortgage, they often assume you have been managing the debt well, so the focus shifts heavily to your current financial stability. In Australia, this means checking your recent payslips and tax returns. If you’ve had a job change or a drop in income, this stage requires extra documentation.

  • Check your current deal expiry: Note the exact date your fixed term ends.
  • Calculate ERCs: Ask your current lender for the precise exit fee amount.
  • Gather documents: Prepare ID, proof of address, and income statements.

Valuation and Offer: The Numbers Game

Once you apply with a new lender, they order a valuation. This isn't always a full physical inspection. Many lenders use automated valuation models (AVMs) based on recent sales data in your suburb. However, if the loan-to-value ratio (LVR) is high or the property is unique, a human valuer will visit. They assess the market value of your home to ensure you aren't borrowing too much against its worth.

If the valuation comes back lower than expected, your LVR rises. For example, if your home was valued at $800,000 but the valuer says it's worth $750,000, and you owe $600,000, your LVR jumps from 75% to 80%. Higher LVRs can sometimes trigger higher insurance premiums or stricter lending criteria. Once the valuation clears, the new lender issues a formal offer. This document outlines the interest rate, term length, and any setup fees.

Typical Costs Involved in Remortgaging
Cost Type Estimated Range (AUD) Who Pays
Early Repayment Charge $0 - $30,000+ Borrower
Solicitor/Legal Fees $1,000 - $2,500 Borrower
Valuation Fee $0 - $400 Lender or Borrower
New Lender Setup Fee $0 - $500 Borrower
Abstract illustration of a glass house being scanned by light beams with floating legal documents

Legal Work and Discharge of Security

This is the part most people underestimate. When you remortgage, you don't just swap banks; you legally release the security held by your old lender and grant it to the new one. This requires a solicitor or conveyancer. They prepare a discharge of mortgage deed for the old bank and a new mortgage deed for the new bank.

In Sydney, where property values are high, these legal documents are complex. The solicitor ensures there are no hidden caveats or liens on the title. They also handle the transfer of funds. The process usually takes two to four weeks. During this time, your old lender prepares the final statement showing exactly how much you owe down to the cent, including accrued interest up to the settlement date.

Settlement Day: The Actual Switch

Settlement is the moment the switch flips. On this day, the new lender pays off the entire outstanding balance to your old lender. Simultaneously, the old lender releases their claim on your property title. You receive a confirmation letter from both parties. From this point forward, your repayments go to the new provider at the new rate.

It’s crucial to time this correctly. If you settle mid-month, you might pay a partial month's interest to the old lender and start the new cycle immediately. Some borrowers choose to settle at the end of their fixed term to avoid overlap costs. Make sure your direct debit details are updated with the new lender before settlement to avoid missed payment penalties.

Hands exchanging keys over a bridge of coins leading to a house in the distance

Post-Remortgage: Monitoring and Adjustment

After the dust settles, the relationship begins. You’ll receive a new account number and possibly a new app login. Keep the old account open for a few months just in case there are minor adjustments or refunds. If you overpaid during the transition, the excess should be refunded within 30 days.

Monitor your first three statements closely. Check that the interest rate matches the offer exactly. Verify that any offset accounts or linked products are working as promised. If you find errors, contact the new lender immediately while the records are fresh. This phase is about confirming that the savings you calculated initially are actually happening in real life.

Frequently Asked Questions

How long does the remortgage process take?

Typically, the process takes between 4 to 8 weeks from application to settlement. This includes time for credit checks, valuation, legal work, and fund transfers. Complex cases with multiple properties or self-employed income may take longer.

Do I need a solicitor to remortgage?

Yes, you generally need a solicitor or conveyancer to handle the legal transfer of the mortgage security. While some large lenders offer in-house legal services, using an independent solicitor is often recommended to ensure your interests are protected during the discharge of the old loan.

Can I remortgage if I’m still in my fixed term?

Yes, but you will likely incur Early Repayment Charges (ERCs). You should compare the total cost of the ERC plus any new setup fees against the interest savings from the new deal. If the savings don't exceed the costs within a reasonable timeframe, it might be better to wait until the fixed term expires.

Will remortgaging affect my credit score?

Usually, yes, slightly. The new lender will perform a hard credit inquiry, which can temporarily lower your score by a few points. However, since you are keeping the same property and maintaining payments, the long-term impact is minimal and often neutral once the new loan is established.

What happens if the valuation is lower than my purchase price?

If the valuation is lower, your Loan-to-Value Ratio (LVR) increases. This might mean you need to provide additional security or accept a slightly higher interest rate. It doesn't automatically fail the application, but it changes the risk profile for the lender.