Free calculator
Second mortgage calculator
See your combined LVR and roughly how much a private lender could advance behind your existing loan, before you make a single enquiry.
Your estimate
Combined LVR with the amount you want
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Roughly available at your chosen limit
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General estimate only. Not an offer of finance. A lender's valuation and assessment decide the actual amount.
See if you qualify →How second mortgage lenders size a loan
A second mortgage sits behind your existing lender, so the private lender is second in line if the property is ever sold. To protect itself, it looks at everything secured against the property, not just its own loan. That figure, divided by the property's value, is the combined loan-to-value ratio. The lower it is, the more comfortable the lender, and the more likely you'll get the amount and term you want.
Property type matters because some property is easier to value and sell than others. A house in an established suburb with plenty of recent sales gives a lender confidence. Vacant land or a farm in a quiet market gives it less, so limits tend to be lower. Our property types section explains how each is viewed.
Reading your result
- Well inside the limit: a strong position. You may have room for a buffer, a longer term or a better price.
- Close to the limit: possible, but the valuation matters. A slightly lower figure could reduce what's available.
- Over the limit: consider a smaller amount, adding a second property as security, or a private first mortgage that pays out your bank.
Beyond the numbers
Equity is only one of the three things a private lender weighs. The others are what the money is for and how you'll repay it. Read the three questions every private lender asks, then estimate your costs with the caveat loan calculator. If your existing bank needs to consent to a second mortgage and time is short, a caveat loan can bridge the gap.
When you're ready, start a short enquiry. There's no credit check when you first enquire, and your details aren't sent around the market.
Calculator questions
What is combined LVR?
Combined loan-to-value ratio is everything secured against the property, including your existing mortgage and the new loan, divided by the property's value. Second mortgage lenders rely on it more than any other number.
Where do the suggested limits come from?
They're common starting points used to illustrate how property type affects lending. Every lender sets its own limits based on the property, location and deal, so treat them as a guide and adjust the slider.
What value should I use for my property?
A realistic current value, ideally from a recent valuation or an agent's appraisal of comparable sales. Lenders use their own valuation, which may differ from what you expect.
Does the calculator include other debts?
Yes. Include anything else secured on the property, such as a line of credit, an existing caveat or a second loan, in the other secured debts field.
Does using it affect my credit?
No. It runs entirely in your browser, nothing is stored or sent, and there's no credit check.
Know your equity? Let's put it to work.
Tell us the property, what's owed and what you need. We'll show you which structure fits and how fast it could settle.
No credit check to enquire
Kept private, not farmed out
Decided on the property