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Rate Change Calculator

See how a rate increase or decrease could change your repayments before rates move.

Old vs new repayments
Rate change scenarios
Ready in seconds
See how rate changes affect repayments

What makes Domium different

One platform. From estimate to settlement.

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Keep legal work connected to the journey with an in-house team built to move from contract to settlement.

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Use reports, calculators, and platform visibility to understand the numbers and stay in control.

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Loan summary

View the key details of your loan, including structure, repayments, rates, and next steps.

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Extra Repayment Calculator

See how making additional repayments could reduce your loan term and lower your total interest paid.

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Offset Calculator

See how an offset account could reduce your interest and help pay off your loan sooner.

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Rate change calculator FAQs

Common questions about rate increases, rate decreases, repayment changes, and how to plan around interest rate movement.

The calculator compares your current repayment with an estimated new repayment after an interest rate increase or decrease, based on the loan details and rate change you enter.

You can test small movements like 0.25%, larger increases, or decreases to understand how repayments may change under different rate scenarios.

The result is an estimate. Actual repayments can vary depending on your lender, repayment frequency, loan type, fees, and how the lender applies the rate change.

Rate changes usually affect variable loans more directly. Fixed-rate loans may not change until the fixed period ends, depending on your loan terms.

It can help you pressure-test repayments before rates move, review your budget, and decide whether to compare loan options or speak with a specialist.

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5.00

Settlement was smooth and team proactively chased all legal angles as and when required.

— Varun S.

5.00

We settled our first home with Domium and it has been an excellent experience. … They are very easy to reach and highly responsive.

— Paarth T.

5.00

Doing my refinance with Domium was such an incredibly easy and straightforward process…

— Sylie A.

5.00

More specifically, the legal services team is prompt in their services.

— Murali V.

5.00

Domium is high tech platform with a continuous one-on-one support making the whole refinancing experience easy and seamless.

— Marina S.

5.00

The platform was easy to use and provided clear information on the current status and next steps.

— Hardeep S.

5.00

Less messing about with paperwork and a quicker route to a new property. Can't recommend Domium as a business more.

— Steven M.

5.00

In the end, Domium was the only one capable of meeting my specific needs within an exceptionally tight timeframe.

— Max K.

5.00

Great service. Hassle free and best process and timely updates. This is my second experience with them.

— Srimathy K.

5.00

They explained everything clearly, kept me informed, and made the whole process much easier and less stressful.

— Alex K.

5.00

Settlement was smooth and team proactively chased all legal angles as and when required.

— Varun S.

5.00

We settled our first home with Domium and it has been an excellent experience. … They are very easy to reach and highly responsive.

— Paarth T.

5.00

Doing my refinance with Domium was such an incredibly easy and straightforward process…

— Sylie A.

5.00

More specifically, the legal services team is prompt in their services.

— Murali V.

5.00

Domium is high tech platform with a continuous one-on-one support making the whole refinancing experience easy and seamless.

— Marina S.

5.00

The platform was easy to use and provided clear information on the current status and next steps.

— Hardeep S.

5.00

Less messing about with paperwork and a quicker route to a new property. Can't recommend Domium as a business more.

— Steven M.

5.00

In the end, Domium was the only one capable of meeting my specific needs within an exceptionally tight timeframe.

— Max K.

5.00

Great service. Hassle free and best process and timely updates. This is my second experience with them.

— Srimathy K.

5.00

They explained everything clearly, kept me informed, and made the whole process much easier and less stressful.

— Alex K.