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In a bid to help borrowers break free from mortgage prison, Westpac has started implementing new serviceability rules for those wanting to refinance.

The changes, which took effect 23 May 2023, will see qualified refinancers within Westpac and subsidiaries (St George, Bank of Melbourne, and BankSA) undergo a modified serviceability assessment.

The modified serviceability assessment rate will still exceed the bank’s floor rate but will not follow the standard +3.0 percentage points rule by the Australian Prudential Regulation Authority (APRA).

To be eligible, the borrower must have a good credit score (at least above 650) and must not have missed a debt repayment over the past year.

Interest-only loans, debt consolidation, and those with lender’s mortgage insurance are not qualified under the modified assessment rate.

The current loan serviceability rule recommends banks to assess borrowers with a buffer of 3.0 percentage points. For a home loan with 5% interest rate, the borrower will be assessed at 8%.

In a statement early this year, APRA said the revised serviceability buffer remains appropriate given current market conditions.

Rate Money CEO Ryan Gair said it is unfair to subject refinancers to the same rules.

APRA should have separate recommendations to regulate existing borrowers — it could remove the buffer and allow a dollar-for-dollar refinancing,” he said.

“This recognises that existing borrowers have already proven they can service their loans and allow them to free up some of their money by refinancing to a loan with a lower rate.”

Mr Gair said many borrowers applied for a secured loan years ago at a much lower rate — a borrower who applied for a $700,000 home loan and assessed at only 5.5% interest rate would only be able to borrow $500,000 in the current standards.

“This means, unless you’ve managed to knock $200,000 off your loan between rate rises, your borrowing capacity is not sufficient to refinance to a new loan,” he said.

Buying a home or looking to refinance? The table below features home loans with some of the lowest interest rates on the market for owner occupiers.

Update resultsUpdate
LenderHome LoanInterest Rate Comparison Rate* Monthly Repayment Repayment type Rate Type Offset Redraw Ongoing Fees Upfront Fees LVR Lump Sum Repayment Additional Repayments Split Loan Option TagsFeaturesLinkCompare
6.04% p.a.
6.06% p.a.
$2,408
Principal & Interest
Variable
$0
$530
70%
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  • $2000 for loans up to $700,000
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5.99% p.a.
5.90% p.a.
$2,396
Principal & Interest
Variable
$0
$0
80%
  • A low-rate variable home loan from a 100% online lender. Backed by the Commonwealth Bank.
6.14% p.a.
6.16% p.a.
$2,434
Principal & Interest
Variable
$0
$250
60%
  • Find out your loan eligibility in 2 minutes or less
  • Complete your application in less than 20 minutes
  • Low fees and fast approval times
5.95% p.a.
5.95% p.a.
$2,385
Principal & Interest
Variable
$0
$0
90%
5.94% p.a.
5.95% p.a.
$2,383
Principal & Interest
Variable
$0
$0
90%
Important Information and Comparison Rate Warning

Base criteria of: a $400,000 loan amount, variable, fixed, principal and interest (P&I) home loans with an LVR (loan-to-value) ratio of at least 80%. However, the ‘Compare Home Loans’ table allows for calculations to be made on variables as selected and input by the user. Some products will be marked as promoted, featured or sponsored and may appear prominently in the tables regardless of their attributes. All products will list the LVR with the product and rate which are clearly published on the product provider’s website. Monthly repayments, once the base criteria are altered by the user, will be based on the selected products’ advertised rates and determined by the loan amount, repayment type, loan term and LVR as input by the user/you. *The Comparison rate is based on a $150,000 loan over 25 years. Warning: this comparison rate is true only for this example and may not include all fees and charges. Different terms, fees or other loan amounts might result in a different comparison rate. Rates correct as of .