When to Choose the Property Before the Loan Product

The property you select determines whether your investment builds wealth or sits as a liability on your balance sheet.

Under tax changes that took effect from 1 July 2027, net rental losses on most established dwellings acquired after 12 May 2026 can no longer be offset against your Defence salary. Those losses sit in quarantine until you sell or generate positive rental income. The dwelling itself, its location, and whether it qualifies as an eligible new build now dictate the tax treatment, the borrowing structure, and the long-term return. Selecting the right property has always mattered. It now determines the entire financial model.

Forrest and the New Build Requirement

Forrest sits in the parliamentary triangle with land held under crown lease and limited development sites.

Eligible new builds, those constructed on previously vacant land or where a knock-down rebuild increases the number of dwellings, retain full negative gearing and a choice between the 50 per cent capital gains discount or cost base indexation with a 30 per cent minimum tax rate. An established two-bedroom unit in Forrest acquired today under the new rules quarantines losses. A new townhouse built on subdivided land in the same precinct does not. The difference is not cosmetic. It changes whether the property generates a meaningful tax deduction during ownership and how much of the gain you retain on sale. In Forrest, where most stock is established and closely held, that distinction narrows your options to a small set of potential new developments or adjacent suburbs where land subdivision is feasible.

If you are posted to Russell Offices or another Defence facility in the ACT, holding periods will likely span multiple postings. Selecting a property that supports the full range of tax settings gives you more flexibility when circumstances change.

Rental Demand That Matches Your Holding Period

Vacancy drains return faster than most investors anticipate.

Consider a scenario where a member purchases a two-bedroom apartment in an inner suburb with strong appeal to short-term renters and corporate tenants. The suburb performs well in aggregate, but the specific building has high turnover and a three-week vacancy between each lease. Over a 12-month period, that property sits empty for nine weeks. Rent collected falls by nearly 18 per cent, yet the loan repayment, body corporate levy, and insurance do not adjust. The member assumed a rental yield based on 52 weeks of occupancy. The actual yield after vacancy is substantially lower, and under quarantined loss rules, the shortfall cannot be offset against salary.

Forrest and the inner parliamentary suburbs attract public servants, diplomats, and professionals on fixed-term contracts. Tenants in this market tend to stay for the duration of a posting or role, which can be two to three years. A property that appeals to that cohort, rather than to transient or short-stay renters, will experience lower turnover and fewer void periods. Match the tenant profile to the lease length you need to make the income model work.

Borrowing Capacity Under Debt-to-Income Caps

The debt-to-income cap introduced in February 2026 limits the proportion of new investor loans a lender can write at six times income or above to 20 per cent of their investor portfolio.

If your annual assessable income is $120,000, a loan above $720,000 falls into that restricted category. Lenders manage their caps across the quarter or rolling year depending on size, and approvals in that top band become harder to secure as the reporting period closes. The cap does not prevent you from borrowing above six times income, but it does mean fewer lenders will have capacity to approve the loan when you apply. Construction finance for new dwellings and finance for newly erected dwellings as defined under the tax regulations are carved out of the cap. Buying an investment property that qualifies as a new build not only preserves negative gearing but also removes one layer of credit rationing.

Your deposit size, existing liabilities, and whether you hold other investment debt all feed into the serviceability assessment. Running scenarios with a broker before you start searching clarifies what you can borrow and whether the properties you are considering will be financed under standard or restricted settings.

Interest-Only Structures and Cash Flow Management

Interest-only repayments lower the monthly outgoing and preserve cash flow during the period rental income may not cover all costs.

Most lenders offer interest-only terms of up to five years on investment loans, after which the loan converts to principal and interest unless you apply for an extension or refinance. An interest-only structure makes sense when the property is negatively geared under grandfathered rules or qualifies as a new build, and you want to maximise the tax-deductible component of the repayment. It makes less sense when losses are quarantined and you gain no immediate tax benefit from the higher interest cost. In that case, paying down principal from the outset reduces the loan balance and the total interest paid over time.

Under the serviceability buffer, lenders assess your ability to repay at three percentage points above the product rate. A variable rate investor loan at 6.5 per cent is assessed at 9.5 per cent. Interest-only assessments often apply a higher floor rate as well. If serviceability is tight, the structure you choose can determine whether the loan is approved.

Stamp Duty and Upfront Costs in the ACT

Stamp duty in the ACT is charged on a sliding scale, and investment purchases do not qualify for any concession or exemption.

On a property valued at the current median for Forrest, duty will add several thousand dollars to the upfront cost. Legal fees, building and pest inspections, and lender establishment fees sit on top of that. If you are using equity release from an existing property rather than cash savings, the total borrowing for the investment includes the purchase price, duty, and settlement costs. Lenders will generally capitalise those costs into the loan provided the combined amount does not push the loan-to-value ratio above their policy limit. Holding cash back for working capital and covering any void periods in the first 12 months reduces the risk of financial pressure if tenanting takes longer than expected.

The LVR Trade-Off on Established Dwellings

Lenders Mortgage Insurance is charged when the loan-to-value ratio exceeds 80 per cent on most investor loans.

Some lenders offer LMI waivers or reduced premiums for ADF members, but policy varies and the waiver may be capped at 90 or 95 per cent LVR depending on the property type and location. On an established dwelling purchased under the new tax rules where losses are quarantined, paying LMI to access a higher LVR means you start with less equity, a larger loan balance, and no ability to offset the loss against your salary. The premium itself is a sunk cost. Compare that to waiting until you have a 20 per cent deposit or selecting a new build that preserves negative gearing and may attract more flexible LVR treatment. The trade-off is not just the cost of LMI, it is whether the entire structure remains viable when rental income falls short.

Building Wealth Through Portfolio Growth

Once the first property is tenanted and performing, expanding your property portfolio becomes the next decision.

Adding a second investment property depends on serviceability, available equity, and whether the first property generates sufficient rental income to support further borrowing. Lenders assess all rental income at a discount, typically 80 per cent, to account for vacancy and management costs. If the first property is quarantining losses and producing no tax benefit, serviceability for the second loan is calculated on your salary and 80 per cent of the first property's rent, minus all loan repayments and ongoing costs. That leaves less capacity than under the old negative gearing rules. Selecting the first property with strong rental yield and low vacancy risk improves the likelihood you can borrow again without waiting years for capital growth to release equity.

What Matters Before You Apply

Select the property before you lock in the loan product. The dwelling determines the tax treatment, the tenant profile shapes the income, and the location influences both capital growth and time on market when you sell. Borrowing structure, interest rate type, and loan-to-value ratio are all decisions that follow from the property you choose, not the other way around. If the property cannot be financed in a way that produces a viable return under current tax and credit settings, it is the wrong property.

Call one of our team or book an appointment at a time that works for you. We will run the scenarios specific to your income, posting cycle, and the suburbs you are considering, so the property you select is one you can hold and that builds wealth.

Frequently Asked Questions