Key Takeaways
- Cross-collateralisation means one lender holds two or more of your properties as security, so your home can end up backing your investment debt.
- Selling, refinancing or buying again usually needs that lender’s consent, and sale proceeds may go towards your remaining debt.
- Security does not decide tax deductibility. The ATO looks at how the borrowed money was used.
- Crossed loans can often be separated once each property holds enough equity to stand alone, though valuations, fees and a fresh assessment may apply.
Your lender has just offered to fund 100% of your next investment purchase, deposit and costs included, without you touching your savings. The catch is in the security. To make it work, the lender takes your home as well as the new property, and that arrangement is called cross-collateralisation.
On settlement day, it feels like the easy option. The cost tends to show up years later. You try to sell one property, refinance at a sharper rate or buy the next one, only to find that a single lender has a say over all of them.
An investment loan broker will usually set crossed and standalone structures side by side, because the choice tends to come down to how much room you want for your next move.
How Cross-Collateralisation Works
Cross-collateralisation, also called cross-securitisation, happens when a lender takes more than one property as security for one loan or a group of loans. How that plays out for you depends on these points:
Security and Loan Purpose
Security is what the lender can sell if the debt is not repaid. Loan purpose is what you did with the money. A loan used entirely to buy an investment property can still be secured by your home. That is what crossing does, and it is the source of most of its restrictions.
Crossed and Standalone Structures
The total debt can be identical under both structures. What changes is which property backs which dollar.
Take a home worth $900,000 with $300,000 owing, and a $700,000 investment purchase with about $40,000 in purchase costs. These figures are for illustration only.
Under a crossed structure, one lender lends the full $740,000 and holds both titles. Total debt is $1,040,000 against $1.6 million of property, a combined loan-to-value ratio (LVR) of 65%.
A standalone structure instead uses a separate $180,000 loan secured by the home to cover a 20% deposit and the costs, taking the home’s debt to $480,000. A second loan of $560,000 is secured only by the investment property, at an 80% LVR. Each property carries its own loan and can be sold or refinanced on its own. Whether a lender approves either version depends on its policy, the valuations and your income.
Security Schedules and All Moneys Clauses
Your security schedule and mortgage documents show whether your loans are crossed, even when your banking app shows separate accounts. A schedule that lists more than one property against the same facility means the loans are crossed.
Many mortgages also contain an ‘all moneys’ clause, which lets the lender treat a property as security for everything you owe it. Where both titles are mortgaged to the same lender, a clause like this may cross the loans in effect.
Why Investors Accept Crossed Security
Investors accept crossing because it solves real problems at the point of purchase, mainly these:
No Cash Deposit
Existing equity covers the deposit and purchase costs, so your savings can stay in an offset or buffer account. Many homeowners find their equity has grown faster than their savings, as repayments and price growth build it over time. For them, using equity may bring a purchase forward by years. A separate equity loan achieves the same result, so this benefit is not unique to crossing.
Combined Loan-to-Value Ratio
Because the LVR is measured across all the security, a new investment loan that would sit above 80% on its own may fall well below it once the home is included. That may avoid lenders mortgage insurance (LMI), which is typically charged on loans above 80% LVR. The trade-off is that the lender now monitors the whole group of properties.
Single Lender Relationship
One application, one lender and one set of statements can feel simpler, especially for a first investment. That same concentration gives the lender a say over every later move.
When Crossed Loans Restrict You
Most of the cost of crossing appears after settlement, when you want to change something:
Partial Sale
Selling one crossed property requires the lender to release its mortgage over that title, on its own conditions. The lender may revalue the properties you keep. It may also require some or all of the sale proceeds to reduce the remaining debt, so the combined LVR stays within its limits. Profit you planned to use for a renovation or the next deposit could end up paying down another loan.
Lender Change
Moving a crossed portfolio to a sharper rate usually means refinancing every property in the group at once, with a fresh credit assessment plus a valuation and discharge costs for each title. Where one property no longer fits the new lender’s policy, the move may stall. Moving a single property instead depends on the current lender agreeing to release it.
Next Purchase
Many lenders cap how much they will lend to one borrower, and crossed portfolios tend to stay with one lender. As you approach that cap, the lender holding your security may decline further lending. Other lenders generally cannot use equity locked inside that structure until it is changed.
Valuation Drop
When one property falls in value, the combined LVR rises for every loan in the group. A drop in an apartment’s value could limit a top-up you had planned against the family home, even if the home itself has grown.
Guarantor Exposure
A family member who guarantees one loan inside a crossed structure may, depending on the guarantee terms, be exposed to more of the debt than expected. Many lenders require guarantors to obtain independent legal guidance before signing. That is the point to confirm how far the guarantee reaches.
Missed Repayments
Under typical mortgage terms, a lender holding crossed security can look to any of the secured properties to recover what is owed, including your home. Loans to individuals for residential investment property are generally regulated under the National Credit Code, which lets a borrower give the lender a hardship notice. A resulting variation may ease repayments, but it does not change which properties secure the debt.
Does Cross-Collateralisation Affect Tax Deductions?
Crossing does not, by itself, change what you can claim. According to the Australian Taxation Office (ATO), interest deductibility follows how the borrowed money is used, not which property secures it. The ATO’s guidance on interest expenses confirms the reverse case too. Interest on a loan used to buy a new home you do not use to produce income is not deductible, even when a rental property is the security.
Security also has no bearing on the negative gearing reforms that the ATO states will apply from 1 July 2027. From that date, negative gearing for residential property is limited to new builds, with properties already held at 7:30pm on Budget night, 12 May 2026, exempt. How a rental loss is treated may therefore depend on the property type and when it was bought, not on which titles secure the loan.
Tax complications usually come from mixing purposes within one loan account. Personal spending drawn from an investment loan, or a single loan that funded both a home and a rental, may require the interest to be apportioned. Separate splits for separate purposes avoid this, such as keeping equity released through refinancing in its own split used only for the investment. An accountant or registered tax agent can confirm how the rules apply to your own loans.
How a Standalone Structure Is Usually Set Up
A standalone structure gives each property its own loan, with home equity funding the deposit through a separate split. The usual sequence is:
- The equity split is set up against your home to cover the deposit and purchase costs.
- The equity split is held apart from the existing home loan so its investment purpose stays clear.
- The second loan is set up for the rest of the purchase price, secured only by the investment property.
- The second loan is placed with the same lender or a different one, depending on policy and pricing.
- The security schedule is checked in writing before settlement to confirm each loan sits against one title.
This is a general guide only. The order, loan amounts and lender choice depend on your equity, income and each lender’s policy. The equity split is usually sized around the deposit, stamp duty and other purchase costs, a calculation a home equity loan broker typically runs before anything is signed.
How Crossed Loans Are Separated
Crossed loans can usually be separated once each property can carry its own debt within a lender’s limits. The process involves these considerations:
Restructure With the Current Lender
Your existing lender revalues each property and reallocates the debt so every loan is secured by one title, then releases the extra security. In many cases, this means paying down or shifting debt until each property sits at an LVR the lender accepts on its own.
Refinance of One Property
One property, often the investment, moves to a new lender, and the new loan releases it from the crossed group. The new lender assesses the application from scratch, including your income, expenses, existing debts and its own assessment buffer. Policies on property type and loan size differ between lenders, and a refinance mortgage broker typically compares them before an application is lodged.
Costs of Separating Loans
Valuation, discharge, variation and settlement fees vary by lender. Each new or discharged mortgage also attracts a registration fee charged by Land Services Victoria, adjusted on 1 July each year. Breaking a fixed rate early may trigger break costs, and LMI may apply where any property sits above 80% on its own.
Timing of Separating Loans
The cost of separating loans often depends on when it happens. Uncrossing at the end of a fixed-rate period may avoid break costs. Waiting for a revaluation after growth may let a property stand alone without LMI. Separating before the next purchase, not during it, usually keeps the new application simpler, though the right timing depends on your loans and plans.
Barriers to Separating Loans
One property may not hold enough equity to stand alone, often because it has not grown or was bought with a small contribution. Your income may also no longer meet a new lender’s servicing test, even though the current lender is comfortable. In either case, the structure may need to stay in place until equity builds or debt falls.
When Crossing May Suit You
Crossing can be a reasonable fit in a few specific circumstances:
Bridging Finance
Buying before selling usually relies on both properties as security until the old one settles. Because the crossing is temporary by design, the long-term drawbacks carry less weight. Lenders size a bridging loan on peak debt, meaning the existing loan plus the new purchase, and a bridging loan broker typically models that figure against the expected sale price.
Commercial Purchase
Commercial loans often require a larger contribution than residential loans. Offering residential property as extra security may bring the commercial LVR within a lender’s limits where cash alone would fall short.
Long-Term Hold
An owner with one home, one investment and no plans to sell or buy again may find the restrictions rarely come into play. The main risk is a change in plans, since events such as separation or relocation can force a sale that the structure makes harder.
Checking Your Security Schedule
A practical next step is to request a current security schedule from your lender in writing. It lists which properties secure each loan, so it shows which property would need revaluing or refinancing to separate your loans.
If you are weighing up how to secure your next investment purchase, the team at Shern Advisory can talk you through the structures that suit your circumstances.
Frequently Asked Questions (FAQs)
1. Can loans with two different lenders be cross-collateralised?
Generally, no. Crossing happens within one lender, because each lender typically relies only on the properties it holds a mortgage over.
When your home and investment property are mortgaged to different lenders, each loan is typically standalone by default. This is one reason some investors spread their loans across lenders.
2. Does cross-collateralisation increase borrowing capacity?
Not directly. Security affects how much a lender is comfortable lending against your properties. Borrowing capacity is set mainly by income, expenses, existing debts and the lender’s servicing test.
3. Can property in a self-managed super fund be cross-collateralised?
No. A self-managed super fund (SMSF) borrows through a limited recourse borrowing arrangement (LRBA). According to the ATO, super law limits the lender’s rights to the single asset bought with the loan.
That asset cannot be subject to any other charge, so it cannot be crossed with personal property or other fund assets.
The ATO also states that an LRBA entered into on or after 10 August 2026 can no longer be used to buy real property that is not business real property. Existing arrangements and their refinancing are not affected. A fund already holding a geared residential property may still refinance it, subject to lender approval, a task often handled through an SMSF loan broker.
4. Is a family guarantee a form of cross-collateralisation?
In effect, yes. A family guarantee uses a relative’s property as extra security for your loan, usually capped at a set amount.
The guarantor’s property stays tied to your borrowing until the guarantee is released. Some lenders may allow release once your own LVR falls to a level they accept, through repayments or growth. Release is not automatic and typically needs an application and a valuation.
5. Will uncrossing loans affect my credit file?
It can. Refinancing a property to a new lender generally involves a credit application, which is usually recorded as an enquiry on your credit file.
A restructure with your existing lender may or may not involve a new credit check. That depends on the lender’s process and whether the total debt changes.
6. How long does it take to uncross loans?
A straightforward restructure with the same lender may take a few weeks, depending on valuations and processing times.
Refinancing to a new lender usually takes longer. The new loan must be applied for, approved and settled before the old security can be discharged.
7. Does uncrossing loans attract stamp duty in Victoria?
Generally, no. Land transfer duty applies when ownership of a property changes, and uncrossing changes which loan a property secures without changing who owns it.
According to the State Revenue Office, Victoria abolished duty on mortgages from 1 July 2004, so a new mortgage registered in a refinance does not attract duty. Duty may still apply if ownership changes as part of the restructure, such as a transfer into a trust or to another person.
8. What happens to lenders mortgage insurance when loans are uncrossed?
An LMI premium is tied to the loan it was paid on, so it usually does not move across when a property is refinanced to a new lender. Whether any part of an earlier premium is refunded depends on the insurer’s terms, and a new premium may apply depending on the new lender’s policy and the property’s LVR.
This article is general information only. It does not take into account your objectives, financial situation or needs, and you may wish to speak with a qualified professional before acting on it.