The easiest way to fund a Brisbane rental property

An investment loan for a rental property is a facility secured against real estate held to generate income and capital growth.

Brisbane investors looking to purchase rental property today need to account for regulatory changes that alter borrowing capacity, tax treatment and portfolio construction. The loan you choose matters less than how it fits the broader strategy you are building.

Borrowing capacity under the debt-to-income cap

From 1 February 2026, lenders can fund only 20 per cent of new investor loans at a debt-to-income ratio of six times or greater. That means borrowing is capped at six times your gross annual income for most applications unless you fall within the minority allocation.

Consider an investor earning $120,000 annually who already holds an owner-occupied loan of $400,000. Total borrowing across both facilities is limited to $720,000 in most cases, leaving $320,000 available for investment lending. If the rental property generates $28,000 in annual gross rent, that income is not counted as salary for DTI purposes. The ratio still uses employment income only.

Lenders apply a 3 percentage point serviceability buffer above the product rate and assess rental income at 80 per cent of market rent to account for vacancy and arrears. Borrowing capacity is now more constrained for Brisbane investors with existing debt, even when cash flow from the rental easily covers repayments.

Interest-only versus principal and interest repayment structures

Interest-only periods let investors hold cash flow for other purposes, including further deposits or offset balances. Most lenders offer interest-only terms of one to five years on investment loans, reverting to principal and interest repayments afterward.

An interest-only loan of $500,000 at a variable rate currently around 6.3 per cent costs approximately $2,625 per month in interest. The same loan on principal and interest over 30 years costs roughly $3,080 per month. The $455 monthly difference can be redirected to an offset account linked to the loan, reducing the effective interest charged while preserving access to capital.

Investors who plan to sell or refinance within five years often prefer interest-only structures to minimise cash outflow. Those building equity for future leverage or planning to hold through retirement typically switch to principal and interest once rental income or other assets provide a buffer.

How negative gearing rules change from 1 July 2027

Under the Treasury Laws Amendment (Tax Reform No. 1) Act 2026, residential investment properties purchased on or after 7:30pm AEST on 12 May 2026 will have rental losses quarantined from 1 July 2027. Losses can only offset other residential rental income or future capital gains from residential property. They cannot offset salary, business income or other assessable income.

Properties acquired before that date and time, including those under contract awaiting settlement, retain full negative gearing under existing rules until sold. Eligible new builds, defined as dwellings constructed on previously vacant land or developments that increase the total dwelling count, remain exempt and can be negatively geared by any future owner.

For a Brisbane investor purchasing an established unit in Fortitude Valley after 12 May 2026, rental losses of $8,000 annually can no longer reduce taxable employment income from 1 July 2027. Those losses carry forward and can offset future rental profits or capital gains when the property is eventually sold. An investor purchasing a newly completed apartment in South Brisbane that added dwellings to the site retains the ability to claim the full loss against salary each year.

Capital gains tax indexation and the 30 per cent minimum rate

From 1 July 2027, the 50 per cent CGT discount is replaced with cost base indexation and a minimum 30 per cent tax rate on real gains for investment properties acquired on or after that date. Gains accrued before 1 July 2027 on existing holdings continue under current rules.

Indexation adjusts the purchase price using the Consumer Price Index, reducing the taxable gain. The minimum 30 per cent rate applies regardless of the investor's marginal tax rate. For eligible new builds, investors can elect between the 50 per cent discount or indexation with the minimum rate.

An investor who purchases an established townhouse in Bulimba in late 2027 and sells it in 2037 will have the cost base indexed for inflation, which may lower the taxable gain compared to the current discount method if inflation runs high. However, the minimum 30 per cent tax rate applies even if the investor's marginal rate is lower. Investors on means-tested income support payments in the year of sale are exempt from the 30 per cent floor.

Variable versus fixed rate investment loan products

Variable rate investment loans currently sit around 6.3 to 6.5 per cent depending on loan size and LVR. Fixed rate investment products range from 5.8 to 6.2 per cent for terms of one to five years. Variable rates offer offset account access and unlimited additional repayments. Fixed rates lock in certainty but typically prohibit offsets and cap extra repayments at $10,000 to $30,000 annually without penalty.

Investors who value liquidity and intend to build offset balances for future deposits usually favour variable structures. Those prioritising certainty during portfolio construction or expecting rate volatility may fix a portion of the loan. Split structures allow both, with 50 to 70 per cent variable and the remainder fixed.

A Brisbane investor purchasing a rental property in Paddington with a $600,000 loan might fix $250,000 for three years at 5.9 per cent and leave $350,000 variable at 6.4 per cent. The fixed portion provides stable repayments while the variable portion supports an offset and flexibility for lump sum payments as rental income accumulates.

Loan to value ratio and lenders mortgage insurance

Most lenders cap investment loans at 90 per cent LVR, though some restrict investor lending to 80 per cent depending on postcode or applicant profile. Borrowing above 80 per cent LVR triggers Lenders Mortgage Insurance, a one-time premium added to the loan or paid upfront.

LMI on an investment loan of $540,000 at 90 per cent LVR typically costs between $15,000 and $22,000 depending on the lender and risk assessment. The premium is capitalised into the loan in most cases, increasing the total borrowing and ongoing interest cost. Investors who can access equity from an existing property to stay at or below 80 per cent LVR avoid the premium entirely.

Brisbane investors refinancing to release equity for a deposit on a second rental property should model whether the LMI cost on the new purchase outweighs the interest cost of a larger drawdown on the existing loan. In many scenarios, leveraging equity at 80 per cent LVR across both properties produces lower total cost than paying LMI at 90 per cent on the new purchase.

Rental income assessment and vacancy assumptions

Lenders assess rental income at 80 per cent of the market rent provided by a licensed valuer or rental appraisal. The 20 per cent reduction accounts for vacancy, maintenance and periods between tenancies. Rental income is not included in the debt-to-income calculation but does contribute to serviceability.

A two-bedroom unit in New Farm with an appraised rent of $650 per week, or $33,800 annually, is assessed at $27,040 for serviceability purposes. If the loan repayment is $3,200 per month, or $38,400 annually, the property runs a shortfall of $11,360 before other deductions. That shortfall must be funded from employment income and reduces borrowing capacity for future purchases.

Investors targeting positive or neutral cash flow properties in Brisbane's outer suburbs, such as Logan or Ipswich, often find higher rental yields relative to purchase price. A three-bedroom house in Springfield Lakes with a purchase price around the local median and rent of $550 per week may deliver neutral cash flow at current rates, preserving serviceability for portfolio expansion.

Tax-deductible expenses beyond interest

Interest on the investment loan is the largest deductible expense, but investors can also claim body corporate fees, property management fees, council rates, water charges, building and landlord insurance, repairs and maintenance, depreciation on fixtures and fittings, and a portion of land tax where applicable.

An investor holding a rental apartment in South Bank with annual body corporate fees of $6,500, management fees of $2,800, council rates of $1,600 and insurance of $1,200 can claim $12,100 in addition to loan interest and depreciation. A quantity surveyor's depreciation schedule may identify another $5,000 to $8,000 in annual deductions for a recently constructed building.

These deductions reduce taxable income under current rules. From 1 July 2027, rental losses on properties acquired after 12 May 2026 can only offset residential rental income or future residential capital gains, not salary or other income. Maximising deductions still reduces the size of the quarantined loss and accelerates the point at which the property becomes cash flow positive.

Using equity to fund the next deposit

Once an investment property has gained equity through capital growth or principal repayment, that equity can be accessed to fund the deposit on a subsequent purchase without selling the original asset. Lenders typically allow borrowing up to 80 per cent of the property's current value, less any existing debt.

An investor who purchased a rental property in Kenmore three years ago for $650,000 with a loan of $520,000 now holds a property valued at $720,000 with a remaining loan balance of $500,000. Available equity at 80 per cent LVR is $576,000 minus $500,000, leaving $76,000 accessible for reinvestment. That amount covers a 10 per cent deposit and settlement costs on a property up to $700,000.

Expanding your property portfolio through equity release avoids the need to save another full deposit and compounds growth across multiple assets. The refinance to access equity does not trigger capital gains tax because no sale has occurred.

Interest rate discounting and portfolio lending

Investors with multiple properties financed through the same lender may receive rate discounts as the total loan portfolio grows. A single investment loan of $400,000 may attract a variable rate of 6.45 per cent, while a portfolio of three loans totalling $1.2 million with the same lender may receive 6.25 per cent across all facilities.

Some lenders offer portfolio products that bundle offset accounts, waive annual fees and provide dedicated service teams for investors managing multiple properties. Refinancing your investment property to consolidate loans or renegotiate rates can recover $2,000 to $5,000 annually on a portfolio of this size.

Brisbane investors approaching the debt-to-income cap benefit from proactive rate negotiation, as every 20 basis points saved on $1 million in investment debt reduces annual interest by $2,000, improving cash flow without additional capital.

Call one of our team or book an appointment at a time that works for you to discuss which loan structure supports the portfolio you are building.

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