The Loyalty Tax Is Back: Dozens of Lenders Are Cutting Rates, But Only for New Customers

A fierce mortgage war for new customers broke out in early August 2026, with dozens of lenders cutting rates. The reporting came with a warning attached: everyday homeowners will not save a single cent from it unless they take action themselves.

This is the loyalty tax — the gap between what a lender charges the customers it already has and what it offers the customers it wants. It is not new, and it is not a scandal. It is a predictable consequence of a market where acquiring a borrower costs money and retaining one, in most cases, does not.

What is actually on offer

Two distinct forms of competition were visible in lender communications collected in late July and early August 2026.

Sharper advertised pricing for refinancers. Bank Australia notified brokers that its limited-time Offset Home Loan Refinance Offer carried new lower interest rates effective from 31 July 2026, with the Offset Home Loan advertised at 5.95 per cent per annum.

Cashback and points offers for switching. Several lenders ran incentives aimed at borrowers moving their loan:

Lender	Advertised incentive
IMB Bank	Up to $4,000 cashback
Newcastle Permanent	Up to $3,000 cashback
ME Bank	$3,000 cashback
Bank of Queensland	$2,000 cashback
Credit Union SA	$2,000 cashback (limited eligibility)
Commonwealth Bank	Up to 300,000 Qantas Points

These are advertised offers as communicated to brokers, with eligibility criteria and conditions set by each lender. Availability and terms change frequently.

For reference, Arrivau's own rate tracking as at 4 August 2026 showed the lowest advertised owner-occupier principal-and-interest variable rate across the 32 lenders monitored sitting at 5.84 per cent, with fixed rates from 6.19 per cent for two years, 6.14 per cent for three years and 6.30 per cent for five years. Only one lender moved that week: Macquarie Bank reduced its variable rate from 6.14 per cent to 6.09 per cent, while the other 31 held steady.

Why the offer never arrives in your inbox

The mechanics are straightforward. Lenders compete for new lending volume because that is what grows the book. An existing borrower who is not asking about rates is, from a pricing perspective, not competing for anything. Discounts are therefore concentrated where they change a decision — at the point of acquisition.

This is why the gap tends to widen with the age of the loan. A rate that was competitive when it was written in a different rate environment does not update itself.

Closing the gap without moving

Switching lenders is not the only route, and it is often not the fastest.

Ask for a repricing first. Most lenders will review an existing customer's rate on request. The request is more effective when it is specific: name the rate you have found, the lender offering it, and confirm that you are prepared to move. A general request to "check my rate" invites a general answer.

Understand what your position supports. Your loan-to-value ratio, repayment history and income stability determine what a lender can realistically offer. A borrower with substantial equity and a clean record has more room than one at 90 per cent LVR.

Recognise when repricing has run out. If the lender's best available response still sits materially above what the market is advertising, that is the signal to look elsewhere.

Doing the arithmetic on cashback

A cashback is a one-off payment. A rate difference compounds over the life of the loan. On a large balance, a modest rate improvement usually outweighs a headline cashback within a small number of years — and on a small balance, the reverse can be true.

The costs that offset the benefit are worth listing explicitly: discharge fees from the outgoing lender, application or settlement fees at the incoming lender, and, where the loan-to-value ratio exceeds 80 per cent, lenders mortgage insurance, which is generally not transferable between lenders and may need to be paid again.

That last point matters more in the current market. With prices having fallen for four consecutive months to July 2026, a valuation obtained today may put an existing loan in a higher LVR band than at purchase. A refinance that appears attractive on rate can become uneconomic once LMI re-enters the calculation.

A sequence that works

1. Find your current rate — the actual rate on your statement, not the one you remember agreeing to.
2. Compare it to what your own lender advertises to new customers for a comparable product.
3. Request a reprice, citing a specific competing offer.
4. If the response is inadequate, obtain an indicative valuation to confirm your LVR band before applying elsewhere.
5. Compare total cost over a realistic holding period, including exit and entry costs, rather than comparing headline rate or cashback in isolation.

Frequently asked questions

Will my lender automatically pass on a rate cut it advertises to new customers? Generally no. Reporting in early August 2026 specifically noted that the cuts were aimed at new customers and that existing homeowners would not benefit without acting.

Does asking for a lower rate hurt my credit file? Requesting a repricing from your existing lender is not a credit application and does not itself create a credit enquiry. Formally applying to refinance with a new lender does.

Is a $4,000 cashback better than a lower interest rate? It depends on your balance and how long you keep the loan. A cashback is paid once; a rate difference accrues continuously. On larger balances held for several years, rate usually dominates.

Can I refinance if my property has fallen in value? Possibly, but the lender values the property at the time of application. If the fall pushes your loan-to-value ratio above 80 per cent, lenders mortgage insurance may apply, and it is generally payable again rather than transferred.

How often should I review my rate? Reviewing annually, and whenever a fixed term is due to expire, is a reasonable discipline. Periods of visible competition — such as the one reported in August 2026 — are also a sensible prompt.

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Arrivau is an independent Australian mortgage broking business. Rates and lender offers cited are as publicly advertised or communicated to brokers as at 4 August 2026 and are subject to change and to each lender's eligibility criteria. This article is general information only, does not take account of your objectives, financial situation or needs, and is not personal financial or credit advice.