Variable Rate Investment Loans for Lawyers

Variable Rate Investment Loans: Core Structure and Flexibility

A variable rate investment loan allows the interest rate to move up or down in line with market conditions, which means your repayments can change throughout the loan term. The main advantage is flexibility: you can typically make additional repayments, redraw funds if your loan allows it, and refinance without break costs if your circumstances or strategy shift.

For lawyers earning structured income with reasonable certainty around partnership distributions or salary progression, a variable rate loan offers the option to accelerate repayments when cash flow allows. The offset account is usually available on variable products, which lets you hold savings in a linked transaction account and reduce the interest charged on the outstanding balance without sacrificing access to those funds.

Consider a solicitor who purchases a two-bedroom unit as their first investment property. They arrange a variable rate loan at 80 per cent LVR on an interest-only basis for the first five years. The offset account holds their emergency fund and a portion of their annual tax provision, reducing the effective interest rate on the loan. When they receive a distribution from their firm in December, they deposit the surplus into the offset account rather than making a direct repayment, which preserves liquidity while still cutting the interest cost. Over the first 18 months, their offset balance grows, and the effective rate they pay on the loan drops below the headline rate by nearly half a percentage point.

The legislation that took effect from 1 July 2027 changed how net rental losses are treated for properties acquired on or after 12 May 2026. Losses on those properties can no longer be offset against salary income but must be quarantined and carried forward to offset future rental income or capital gains. For lawyers considering investment loans, this changes the cash flow equation: a negatively geared property no longer delivers an immediate tax refund, so the holding cost sits entirely with you until the property becomes cash-flow positive or you sell.

Interest Rate Discounts and How They Apply

Lenders typically publish a standard variable rate and then offer a discount based on your loan size, LVR, occupation and whether you hold other products with that institution. The discount might range from 0.50 to 1.50 percentage points below the standard rate. Lawyers often qualify for occupation-based rate reductions or enhanced discounts because lenders view the profession as lower credit risk, particularly where LMI waivers apply.

The discount is not locked in forever. Most lenders reserve the right to adjust the discount if you reduce your loan balance significantly, refinance part of the facility, or if your employment status changes. Some lenders apply a larger discount during the interest-only period and then reduce it when the loan converts to principal and interest. Read the terms carefully and ask your broker to confirm whether the discount is fixed for the life of the loan or subject to review.

Where you hold multiple properties, some lenders aggregate your total debt with that institution and apply a tiered discount. If your combined borrowing exceeds a certain threshold, you might receive an additional 0.10 to 0.20 percentage points off each loan. This becomes relevant when you are expanding your property portfolio and consolidating debt with one or two lenders to maximise pricing power.

Offset Accounts and Tax Treatment

An offset account linked to an investment loan reduces the daily interest calculation but does not reduce the principal balance. The ATO allows you to claim a deduction for the full interest charged on the loan amount used to acquire or hold the rental property, so long as the borrowed funds are used for income-producing purposes. If you deposit personal savings into the offset account, that does not change the deductibility of the interest on the loan itself.

The offset structure becomes particularly useful for lawyers who want to hold liquidity for planned purchases or business expenses without losing the tax benefit on their investment debt. The interest saved by holding funds in offset is not assessable income, and the interest charged on the loan remains fully deductible. This creates a compounding benefit: you reduce the net cost of the loan without affecting your ability to claim the full interest expense at tax time.

One trap to avoid is redrawing funds from an investment loan for private purposes. If you make extra repayments on the loan and then redraw those funds to buy a car or pay for a holiday, the redrawn portion is treated as a separate loan for private purposes, and the interest on that portion is not deductible. The offset account avoids this issue entirely because the funds never form part of the loan balance.

Interest-Only Repayments and When They Make Sense

Most lenders will approve an interest-only period of up to five years on an investment loan, with the option to renew for a further five years subject to a review of your serviceability and the property's value. During the interest-only period, your repayments cover only the interest charged each month, which keeps your cash outlay lower and maximises the deductible expense.

For properties acquired before 12 May 2026 under the old negative gearing rules, an interest-only structure increases your net rental loss, which you can offset against your salary and reduce your tax liability. For properties acquired after that date, the loss is quarantined, so the tax benefit is deferred, but the lower repayment still improves your cash flow and borrowing capacity for additional purchases.

Interest-only is not a permanent arrangement. When the interest-only period ends, the loan reverts to principal and interest repayments, and the repayment amount increases significantly because the principal must now be repaid over the remaining loan term. If you have 25 years left on a 30-year loan when it reverts, your repayments will be calculated to clear the debt in those 25 years, not 30. Lawyers planning to hold property long-term should model the post-reversion repayments and ensure their income or rental yield can support the increase, or arrange to refinance before the reversion date.

Serviceability and the Debt-to-Income Limit

Lenders assess your ability to service an investment loan by adding the proposed repayments (calculated at the loan rate plus a 3 percentage point buffer) to your existing commitments and comparing that total to your income. Rental income is included but is usually shaded by 20 per cent to account for vacancy, maintenance and management costs. If the property is not yet tenanted, some lenders will use 80 per cent of the estimated market rent based on a valuation or rental appraisal.

From 1 February 2026, APRA introduced a limit requiring that no more than 20 per cent of new investor loans at each lender can be written at a debt-to-income ratio of 6 times or greater. This affects lawyers with high incomes who previously relied on income alone to support multiple properties. If your total debt across all loans (investor and owner-occupied) exceeds 6 times your gross annual income, the lender may decline the application or require you to increase your deposit, even if the serviceability calculation shows you can afford the repayments.

For a lawyer earning $180,000 per annum, the 6 times threshold is $1,080,000. If you already hold $900,000 in debt and want to borrow a further $300,000 for an investment property, your total debt would be $1,200,000, which exceeds the threshold. The lender may approve the loan only if it falls within their 20 per cent allocation for high-DTI lending, or they may ask you to reduce the loan amount or provide a larger deposit to bring the ratio below 6. Some lenders manage their DTI allocation by prioritising loans with strong offsetting features, such as high offset balances or significant equity in other properties.

Refinancing a Variable Rate Investment Loan

Variable rate loans do not carry break costs, so you can refinance at any time if you find a lower rate or need to access equity for another purchase. The main costs are the application fee (often waived by the new lender as part of a refinance offer), valuation fee, discharge fee from your current lender (typically $300 to $500), and any government charges for registering the new mortgage.

Refinancing becomes worthwhile when the rate saving exceeds the cost of switching within a reasonable period, usually 12 to 24 months. If you can reduce your rate by 0.30 percentage points on a $500,000 loan, that saves roughly $1,500 per year in interest. If your refinance costs are $1,000, you recover that cost in eight months.

Some lawyers refinance to consolidate multiple investment loans into a single facility with one lender, which can unlock portfolio discounts and simplify administration. Others refinance to increase the loan amount and release equity for the deposit on another property. The released equity is treated as a new borrowing for investment purposes, and the interest on that portion is deductible if the funds are used to acquire or hold an income-producing asset. If you use the released equity for private purposes, the interest on that portion is not deductible. Keeping the loan purposes separate, or using different loan splits, is critical for maintaining clean records at tax time. You can read more about this strategy through debt recycling or when considering equity release loans.

Loan-to-Value Ratio and Lenders Mortgage Insurance

Most lenders require LMI on investment loans where the LVR exceeds 80 per cent. The premium is calculated based on the loan amount and the LVR, and it increases steeply as the LVR rises. For a 90 per cent LVR investment loan, the LMI premium might be 2 to 3 per cent of the loan amount, which is typically capitalised into the loan rather than paid upfront.

Lawyers may qualify for an LMI waiver on investment loans up to 90 per cent LVR with certain lenders, which removes the premium cost entirely. The waiver is not universal: it depends on the lender's policy, your years of post-admission experience, your income level, and whether you hold professional indemnity insurance. Some lenders cap the waiver at 85 per cent LVR for investment properties, even if they offer 90 per cent for owner-occupied loans.

If you are using equity in your existing home to fund the deposit on an investment property, the LVR is calculated separately for each security. If your home is valued at $900,000 with a $500,000 loan and you want to increase that loan to $700,000 to release $200,000 for the investment deposit, the LVR on your home becomes roughly 78 per cent. If the investment property costs $600,000 and you borrow $480,000 against it, the LVR on that property is 80 per cent. Both loans are within the typical LMI threshold, so no premium applies. However, if you tried to borrow $540,000 against the investment property (90 per cent LVR), you would either need LMI or a waiver specific to that property.

Capital Gains Tax and Indexation from 1 July 2027

For investment properties sold after 1 July 2027, the portion of the capital gain that accrues from that date is taxed under the new indexation rules rather than the 50 per cent discount. You index the cost base using the Consumer Price Index and pay a minimum 30 per cent tax on the real gain. For the portion of the gain that accrued before 1 July 2027, you apply the existing 50 per cent discount.

If you buy an investment property now and sell it in ten years, you will need to apportion the gain between the pre-1 July 2027 period and the post-1 July 2027 period. You can either obtain a market valuation as at 1 July 2027 or use the ATO's apportionment formula. The indexed cost base will typically be higher than the nominal cost base, so the taxable gain under the new rules may be lower than it would have been under the old discount method, but the minimum 30 per cent rate ensures you pay at least that rate regardless of your marginal rate.

This change affects hold periods and sale timing. If you are close to the 1 July 2027 date and considering a sale, you might accelerate the sale to keep the entire gain under the old rules, or you might delay it if you expect strong indexation to offset the higher minimum rate. The new rules also apply to eligible new build properties, but those properties let you elect either the 50 per cent discount or the indexation method, whichever is more favourable.

Rate Movements and Repayment Volatility

Variable rates move in response to changes in the official cash rate set by the Reserve Bank, as well as the lender's own funding costs and competitive position. A 0.25 percentage point increase in your loan rate increases the monthly interest cost on a $500,000 loan by roughly $104. Over a year, that is an additional $1,250 in interest. For interest-only loans, the entire increase flows through to your repayment amount because there is no principal component to absorb the change.

Lawyers with stable income can usually absorb moderate rate increases without stress, but if you are carrying multiple investment properties and rates rise by 1 to 2 percentage points over 12 months, the cumulative impact can reduce your cash flow buffer significantly. The offset account provides some protection: if you hold a meaningful balance in offset, the effective rate you pay is lower than the headline rate, and rate increases affect a smaller net balance.

Some borrowers split their loan between variable and fixed rates to smooth out repayment volatility. A common structure is 50 per cent variable with offset, and 50 per cent fixed. The fixed portion locks in certainty for a set period (usually one to five years), and the variable portion retains flexibility for extra repayments and access to offset. When the fixed period ends, you can refix at the prevailing rate, convert to variable, or refinance. You can explore options through investment loan refinancing if your current structure no longer suits your goals.

Call one of our team or book an appointment at a time that works for you to discuss how a variable rate investment loan fits your property strategy and income profile.

Frequently Asked Questions