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Loan structures

First, second and third mortgages: what ranking means

Who is paid first when a property is sold, and why that changes how lenders behave.

Updated 13 October 2026 · Ownright Custom Finance editorial team

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Quick answer

Mortgage ranking is the order in which lenders are repaid from the sale of a property if a borrower defaults. A first mortgage is paid first, a second mortgage next and a third after that. Because later-ranking lenders carry more risk, they assess the combined debt, the property value and the exit plan more closely.

Key points

  • Ranking decides who is repaid first from sale proceeds.
  • Priority generally follows the order of registration, though agreements between lenders can change it.
  • A second or third mortgage lender looks at the total debt against the property, not just its own loan.
  • Caveats are different from registered mortgages and can rank differently.

What does mortgage ranking mean?

When a property is mortgaged, the lender registers its interest against the title. If more than one lender holds a mortgage over the same property, the order in which they are repaid from a sale matters. That order is called ranking, or priority. The first-ranking lender is repaid first, the second-ranking lender next, and so on until the sale proceeds run out.

For most borrowers, ranking never comes into play, because loans are repaid as agreed. It shapes how lenders price risk and assess applications, however, which is why it matters even when everything goes smoothly.

What are a first, second and third mortgage?

  • First mortgage: the main loan against a property, usually the one used to buy or refinance it. It is repaid first from any sale.
  • Second mortgage: an additional loan secured on the same property, ranking behind the first. It lets owners tap equity without disturbing the first loan.
  • Third mortgage: a further loan behind the second. These are less common and lenders look especially closely at them. See our page on third mortgages.

Each step down the ladder means a smaller buffer if the property is sold for less than expected. That is why later-ranking loans are assessed more cautiously.

How is ranking decided?

Generally, priority follows the order in which mortgages are registered on the title. The earlier the registration, the higher the rank. A title search shows what is registered, and our guide on property title searches explains how to get one.

Two caveats worth knowing:

  1. Lenders can agree between themselves to change the order, sometimes called a priority arrangement, for example when a first loan is refinanced and a second loan stays in place.
  2. Interests that are not registered mortgages, such as caveats, work differently and can sit alongside or behind registered interests. Rules differ across states and territories, so check with a solicitor or conveyancer where it matters.

Why does a lower rank mean more scrutiny?

Imagine a property sells for less than hoped. The first lender takes what it is owed. Whatever is left goes to the second lender. If the sale price falls short, the second lender takes the shortfall. The risk is not hypothetical for lenders, so they assess second and third mortgages with extra care.

Typically they look at:

  • The combined loan to value ratio across all debts on the property. Our guide to LVR explains the maths.
  • The first mortgage’s terms, including whether further borrowing is allowed.
  • The borrower’s ability to repay, or a credible alternative such as a sale.
  • The exit strategy: how and when the loan ends.
  • The property itself: location, type and saleability.

What does this mean in practice for a borrower?

Situation Typical effect of ranking
Borrowing against equity with an existing first loan A second mortgage may suit better than a full refinance
Refinancing the first loan The second can stay if lenders agree on priority
Short-term cash need A fast second mortgage or caveat may be considered
High combined debt Fewer lenders, closer scrutiny and a firmer exit plan
Farm or rural property Specialist lenders assess land value and income

Which structure is best depends on the property, the existing loan and your goal. Our page on second mortgages goes into more detail, and farm second mortgages covers the rural angle.

How do caveats fit in?

A caveat is a notice lodged against a title to protect a claimed interest. Some short-term lenders take a caveat as initial security because it can be quicker to lodge than a registered mortgage. A caveat can later be converted into a registered second mortgage in many cases, which is a feature of how some loans are structured. Our page on caveat loans explains the idea. Because the legal position differs by state and by the facts, a conveyancer or solicitor should confirm how it applies to your property.

Does ranking affect the borrower’s costs?

It can affect what a lender is willing to offer and under what conditions. Lenders price on risk, and a lower-ranking position carries more of it. We do not quote any figures here, as every loan is priced on the borrower’s circumstances. Your broker can explain how the structure compares with alternatives, including a refinance that merges debts into one first mortgage.

An illustrative example

This is an illustrative scenario with no real names.

A homeowner owes a first lender a moderate amount on a property worth considerably more. He needs funds for a short-term business need but does not want to refinance and lose his current loan terms. A second mortgage lender looks at the combined debt against the property value, confirms the first mortgage allows further borrowing and asks how the loan will be repaid.

The borrower explains that a commercial property sale will repay the loan within the term. With that plan documented, the lender can consider the application. If the plan were vague, the lender might be less comfortable, because it sits behind the first.

What mistakes should I avoid?

  • Assuming you can add a second mortgage without checking the first loan’s conditions.
  • Ignoring the combined LVR.
  • Having no clear exit plan.
  • Forgetting costs and timing of discharging mortgages later.
  • Confusing a caveat with a registered mortgage.
  • Not getting legal advice on complex priority arrangements.

How does Ownright help?

We look at what is registered, what the first lender allows and which lenders are comfortable at the ranking and combined LVR you are looking at. Trevor Scott has spent 40 years finding ways to structure loans others pass on, and we work in every state and territory. That includes private first mortgages when refinancing the first loan makes more sense. If you already have a first mortgage, tell us what is registered and we will map out the options.

Ready to look at your options?

Sounds like you are looking for finance secured behind an existing loan, or a smarter ranking structure for your property. We are the lending experts in first, second and third mortgage structures, so click the button and see if you qualify.

Frequently asked questions

What is a second mortgage?

It is an additional loan secured against a property that already has a first mortgage. The second lender's claim ranks behind the first, which means that if the property is sold to repay debts, the first lender is paid first. Second mortgages are often used to access equity without refinancing the first loan.

Do I need the first lender's permission for a second mortgage?

Often the first mortgage contract restricts further borrowing against the property, and some first lenders require notice or consent. Whether that applies depends on your loan documents. A broker can check the terms and tell you what is likely to be needed before an application goes in.

How does a lender know what order mortgages are in?

Registered mortgages are recorded against the property title, and priority generally follows the order of registration. A title search shows what is registered. Lenders can also agree between themselves to alter priority, so the register is the starting point rather than the whole story.

Why do second mortgage lenders ask so many questions?

Because they stand behind the first lender, a shortfall on a sale hits them first. They typically look at the combined loan to value ratio, the borrower's ability to repay and, importantly, how the loan will be repaid at the end. A clear exit plan is central.

Is a caveat the same as a second mortgage?

No. A caveat is a notice lodged against a title to protect an interest, and it works differently from a registered mortgage. Some short-term loans use caveats, and they can later be converted to a registered second mortgage. Rules and effects differ by state, so ask your broker how it applies to your property.

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