How we structure a debt recycling loan

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Why the structure decides the outcome

Debt recycling is a simple idea built on a fiddly foundation. You borrow against your home to invest, the interest on that borrowing is generally deductible, and you redirect the income and tax savings to pay down the non-deductible part of your loan. The idea only works if the borrowing used to invest is kept completely separate from the borrowing that funded your home.

Most standard home loans are not built this way. A single loan account, or a loan with an offset used loosely, mixes deductible and non-deductible money together. Once mixed, the deductible portion becomes difficult or impossible to prove, and the tax benefit you set all this up for can be lost. Getting the structure right at the start is far easier than untangling it later.

This page walks through how we actually build the loan for a client. If you want the underlying theory of splits, our guide on debt recycling loan splits explained covers that in depth. Here, the focus is the service and the decisions we make on your behalf.

The anatomy of a debt recycling loan

At its simplest, a properly structured loan has two clearly separated parts, each with its own account number and statement.

Split A and Split B are separate sub-accounts under the one facility, each with a distinct account number. They are not two loans against two different properties. They sit against the same security, your home, but they are administratively separate so the purpose of each dollar is never in doubt. Separate account numbers are what make the paper trail clean and the deduction defensible.

Split B is often set up interest-only, so the deductible interest is clear each year and the whole of your spare cashflow can be aimed at Split A. Your accountant or financial adviser will confirm what suits your situation.

How many splits, and why

Two is the minimum. Whether you need more depends on how you plan to invest.

Many people do not deploy all their available equity at once. They invest in tranches, drawing a portion, buying assets, letting things settle, then drawing again. Each fresh tranche generally works best as its own split, so every parcel of investment borrowing has a clean start date and its own record. A client recycling over several years might end up with a home split and three or four investment splits, each tied to a specific round of investing.

Splitting this way keeps things tidy at tax time and makes it far simpler to trace which borrowing bought which assets. We match the number and size of splits to the plan your adviser has set out, rather than carving up your equity arbitrarily.

Redraw, not offset, inside the structure

This is where a lot of do-it-yourself attempts come undone. An offset account is brilliant for your home loan, but it is the wrong tool for the investment side.

Money sitting in an offset account is your money, not borrowed money. If you pay that cash into an investment, you have used your own savings, and there is no borrowing to deduct. Redraw is different: when you redraw from the investment split to buy an income-producing asset, you are drawing down borrowed funds for an investment purpose, which is the basis of the deduction.

We set the lender up so redraw on the investment split is available and free to use, and we brief you clearly on the one behaviour that protects the whole structure: never redraw from an investment split for anything private.

The contamination trap, and how our setup prevents it

Contamination is the single most expensive mistake in debt recycling. It happens when deductible and non-deductible money mix inside the same account. One common way: you invest with the split, then later redraw a few thousand dollars from that same split to pay for a holiday or a car. From that moment, the loan is part investment, part private, and the ATO generally treats interest apportionment as difficult to unwind. In the worst cases the deductibility is compromised and hard to recover.

Our setup makes this nearly impossible to do by accident:

For a full walk-through of how contamination occurs, see our guide on the redraw contamination trap.

The documentation and tracing we put in place

A clean structure is only half the job. The other half is being able to show, years later, that every dollar of investment borrowing went where you say it did. Tracing is the trail that proves it.

Before your first investment, we make sure the pieces are in place: separate account numbers with clear labels, a record of which split maps to which round of investing, and a simple system for keeping loan statements, transfer records and holding statements together. The aim is that if the ATO ever asks, the answer is already documented and does not depend on memory.

We coordinate with your accountant so the way the loan is built matches the way they will report it. Our guide on record-keeping for debt recycling sets out what to keep over the life of the strategy.

Matching the structure to your investment plan

There is no single correct structure. The right one depends on how much equity you have, how quickly you intend to invest, and what your financial adviser recommends you invest in.

We arrange the lending; we do not recommend specific investments. Your financial adviser recommends the assets, and we structure the loan to fund them cleanly. A diversified share and ETF portfolio tends to mean simpler splits drawn in modest tranches; an investment property means larger, lumpier borrowing, and the split plan reflects that. Either way, we size and sequence the splits around your actual plan rather than a template.

We also select a lender whose features support the structure: multiple free splits, a workable redraw, and the flexibility to add splits later as you recycle further. Not every lender does this well, and the wrong one can quietly block the strategy.

The build, step by step

Here is what setting up the structure looks like when you work with us.