Building a portfolio of investment properties means repeating a proven financing structure across multiple purchases while protecting your borrowing capacity at each step.
Most nurses and midwives who acquire a second or third investment property do so by releasing equity from an existing property, structuring their loans to maximise deductions, and timing purchases to keep serviceability and debt-to-income ratios within lender limits. The difference between adding one property and building a portfolio is not the size of your income but the discipline in how each loan is structured and how much equity you leave accessible for the next purchase.
Structuring Loans to Protect Future Borrowing
Each loan in a multi-property portfolio should be held on a separate security, with its own loan account and clearly separated purpose. This structure allows you to draw equity from one property without affecting the tax treatment of another, and it gives lenders a clear view of how each property performs. Lenders assess serviceability across your entire portfolio, so keeping rental income and interest expense tied to specific properties makes it easier to refinance or add a property later without restructuring everything.
Consider a registered nurse who owns an apartment in Newcastle returning $550 per week in rent. If that loan is structured as interest-only with a separate offset account for the home loan, the full interest cost is deductible and the rental income supports the next investment loan application. If instead the loans are cross-collateralised or the borrowing purpose is mixed, the tax treatment becomes unclear and lenders apply stricter serviceability tests. Equity release loans for nurses work most efficiently when each property is held on its own title with its own loan facility.
Using Equity Release Between Purchases
The deposit and settlement costs for your second investment property typically come from the equity in your first property or your owner-occupied home. Lenders allow you to borrow up to 80 per cent of a property's value without paying Lenders Mortgage Insurance, and often up to 90 per cent if you accept the LMI cost. If your first investment property has increased in value or you have paid down the loan, that equity can be released and used as a deposit for the next purchase.
For example, a midwife owns a townhouse valued at $650,000 with a remaining loan balance of $420,000. At 80 per cent loan-to-value ratio, she can borrow up to $520,000 against that property, releasing $100,000 in equity. That amount covers a deposit and costs for a second property. The equity loan is structured as a separate split or sub-account, and the interest on that portion is deductible because the borrowed funds are used to acquire an income-producing asset. Releasing equity before you find the second property also means you can move quickly when the right opportunity appears.
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How Debt-to-Income Limits Affect Portfolio Growth
From February this year, lenders may only write up to 20 per cent of new investor loans at a debt-to-income ratio of six times or greater. For a nurse with an annual income of $95,000, that means total borrowing above $570,000 falls into the restricted category. Some lenders have tightened their internal DTI limits further, and others apply separate caps to investor and owner-occupier lending. If you are approaching these limits, the order in which you apply for loans and the lender you choose both matter.
In practice, this means spacing purchases so that rental income from the first property has time to stabilise and demonstrate consistent occupancy before you apply for the second loan. It also means selecting investment loan options that offer the most favourable serviceability treatment, such as lenders that allow 80 per cent or more of rental income to offset interest costs rather than applying a fixed discount.
Interest-Only Versus Principal-and-Interest Repayments
Most nurses and midwives with multiple investment properties choose interest-only repayments for the investment loans and principal-and-interest repayments for their owner-occupied home loan. Interest-only investment loans reduce monthly repayments, improve cash flow, and maximise the deductible interest component. The loan balance does not reduce during the interest-only period, but the intention in a growth-focused portfolio is to hold properties for capital appreciation and sell or refinance later rather than pay down the loan gradually.
Interest-only terms are typically available for five years, after which the loan reverts to principal and interest unless you apply to extend the interest-only period. Lenders assess serviceability at the principal-and-interest rate even if you select interest-only repayments, so the monthly saving does not increase your borrowing capacity but it does improve your ability to hold multiple properties without relying on salary to cover shortfalls. If rental income covers most or all of the interest cost, the portfolio becomes largely self-sustaining.
The Impact of Negative Gearing Changes from July 2027
From 1 July 2027, rental losses on residential investment properties purchased after 12 May this year can only be offset against other residential rental income or carried forward. They cannot be offset against salary or wages. Properties purchased before that date, or purchased between May and June 2027, retain the ability to offset losses against any income until the property is sold. Properties classified as eligible new builds retain full negative gearing regardless of purchase date.
For nurses and midwives building a portfolio now, this change affects the sequencing of purchases. If you acquire an established property this year that runs at a loss, you can still claim that loss against your salary until you sell. If you acquire a new property next year, any loss is quarantined and can only be used to offset future rental profits or capital gains. The change does not prevent portfolio growth, but it does mean that properties acquired after mid-2027 need to be closer to cash-flow neutral or you need existing rental income from earlier properties to absorb the loss. Investment loan refinancing for nurses may also become more important as a way to reduce interest costs and improve cash flow on newer properties.
Timing Purchases to Manage Serviceability
Lenders apply a serviceability buffer of three percentage points above the loan interest rate, meaning they assess your ability to repay at a rate higher than you will actually pay. If variable rates sit at 6.2 per cent, lenders test your serviceability at 9.2 per cent. Rental income is typically discounted by 20 to 30 per cent to account for vacancy, maintenance and management costs. These settings compress borrowing capacity quickly as you add properties, so timing the next purchase to follow a pay increase, a reduction in other debts, or a period of strong rental performance all help.
Between the first and second investment property, most nurses and midwives will refinance their owner-occupied home loan to release equity, consolidate any personal debts that reduce serviceability, and switch to a lender with more favourable investor lending policies. The goal is not just to secure approval for the next property but to structure everything so that a third or fourth property remains possible without hitting DTI or serviceability limits prematurely.
Choosing Properties That Support Further Growth
The properties you select for a portfolio need to perform financially, but they also need to support your ability to borrow again. Properties with strong rental yields in areas with low vacancy rates generate consistent income that offsets loan repayments and improves serviceability. Properties in suburbs with steady capital growth build equity faster, which can be released for the next deposit. Properties that require significant maintenance or have high body corporate fees reduce cash flow and make it harder to justify the next loan.
A registered nurse building a portfolio in regional New South Wales might target older-style houses close to hospitals or universities, where rental demand is high and yields sit above five per cent. A midwife focused on capital growth might instead target apartments in suburbs within 10 kilometres of a capital city CBD, accepting a lower yield but benefiting from faster price appreciation. Both strategies work if the property selection aligns with the investor's income, risk tolerance, and timeline for adding the next property. Expanding your property portfolio relies on choosing assets that increase your net worth without exhausting your borrowing capacity.
The structure of your loans, the timing of each purchase, and the way you manage equity all determine whether you can move from one investment property to two, or from two to four. Call one of our team or book an appointment at a time that works for you.
Frequently Asked Questions
Can I use equity from my first investment property to buy a second one?
Yes, if your first investment property has increased in value or you have paid down the loan, you can borrow against that equity to fund the deposit and costs for your second property. Lenders typically allow borrowing up to 80 per cent of the property value without LMI.
Should I use interest-only or principal-and-interest repayments for multiple investment properties?
Most investors with multiple properties choose interest-only repayments to reduce monthly costs and maximise tax-deductible interest. Lenders still assess serviceability at principal-and-interest rates, but interest-only improves cash flow and makes it easier to hold several properties.
How do debt-to-income limits affect my ability to buy a second or third investment property?
Lenders may only write up to 20 per cent of new investor loans at a DTI of six times income or greater. If your total borrowing approaches six times your annual salary, you may need to space purchases, increase rental income, or choose lenders with more flexible serviceability policies.
Do the negative gearing changes from July 2027 stop me from building a portfolio?
No, but they do change the cash flow. Properties purchased after mid-May this year will have rental losses quarantined from July 2027, meaning you can only offset those losses against other rental income or future gains. Properties purchased earlier retain full negative gearing until sold.
What loan structure should I use when owning multiple investment properties?
Each property should be held on a separate security with its own loan account. This keeps the tax treatment clear, makes refinancing simpler, and allows you to release equity from one property without affecting the others.
