Avoid These 5 Mistakes When Buying Mixed-Use Property

Why Mixed-Use Finance Fails Without the Right Structure

Most lenders assess mixed-use developments as either commercial or residential, not both. A building with retail on the ground floor and apartments above needs a lending structure that accounts for two income streams, two valuation methods, and two sets of compliance requirements. Get the structure wrong and you'll either miss out on the property or lock yourself into a loan that restricts how you manage the asset.

Consider a buyer looking at a two-storey building in Ringwood with a cafe tenancy downstairs and two residential units above. A residential loan won't cover the commercial component properly, and a pure commercial loan treats the entire property as one asset class, which inflates the interest rate and ignores the residential income. The structure needs to separate the components or use a blended approach that reflects both uses.

Mistake 1: Using a Single Loan Product for Both Components

A mixed-use property generates income from different sources, and those sources carry different risks in a lender's assessment. Residential tenancies are regulated under the Residential Tenancies Act, while commercial leases sit under different legal frameworks with longer terms and different dispute processes. Lenders price risk accordingly, so forcing both components into one loan product either overstates the risk or undervalues the security.

In a scenario where a buyer purchases a property in Croydon with two shop fronts and a residential flat, a single commercial property loan priced at a commercial rate applies that rate to the entire loan amount, even though the residential component typically attracts lower rates. Structuring the finance as two facilities, one secured against the commercial strata title and one against the residential, allows each component to be assessed and priced according to its actual risk profile. The outcome is a lower blended rate and better serviceability because residential rental income is treated with less discount than commercial income in most lending policies.

Mistake 2: Ignoring Strata Title Implications on Valuation

Valuers assess mixed-use properties differently depending on whether the building is on a single title or subdivided into strata. A single-title mixed-use building is valued as one asset, which limits your refinancing options and makes it harder to sell individual components later. Strata title commercial and residential lots are valued separately, which gives you more flexibility but introduces complexity in how lenders assess loan-to-value ratios.

A property in Doncaster with three retail tenancies and four apartments on separate strata titles might be valued at a higher combined figure than the same building on one title, because each component can be marketed and sold independently. However, lenders calculate the commercial LVR based on the commercial component's value alone, not the whole site. If the commercial lots represent 40% of the total value, your maximum borrowing against those lots is calculated on that 40%, even if the residential component is fully paid off. This affects your upfront equity requirement and the way you structure the purchase.

Mistake 3: Underestimating the Deposit and Equity Requirement

Mixed-use developments typically require a higher deposit than single-use properties because lenders view them as higher risk. A residential investment property might allow you to borrow up to 80% of the purchase price with lender's mortgage insurance, but a mixed-use building usually caps at 70% to 75%, and some lenders go lower depending on the commercial component's lease profile and tenant strength.

You also need to account for higher upfront costs. Commercial property valuations cost more than residential, and you'll often need two valuations if the property is on strata title. Legal costs are higher because commercial leases require more detailed review, and you may need a quantity surveyor's report if you're planning depreciation schedules for tax purposes. Settlement costs on commercial transactions also tend to be higher due to longer contract periods and more detailed due diligence requirements.

Mistake 4: Overlooking Lease Structure and Its Impact on Serviceability

Lenders assess your ability to service a commercial mortgage based on the income the property generates, but they don't count 100% of that income. Most lenders apply a discount, often between 20% and 30%, to account for vacancy risk, management costs, and potential arrears. The length and quality of your commercial leases directly affect how much of the rental income the lender will accept in their serviceability calculation.

A property with a commercial tenant on a five-year lease with two five-year options, paying market rent and with a strong trading history, will be assessed more favourably than a property with a tenant on a one-year lease or a lease coming up for renewal within six months of settlement. If the commercial component has a short lease term or a tenant in a high-risk industry, some lenders won't accept any of that income, which means you'll need to demonstrate serviceability from other sources such as residential rent, personal income, or business cash flow.

Mistake 5: Choosing a Rigid Loan Structure That Limits Future Use

Mixed-use properties often change over time. A commercial tenancy might vacate, giving you the option to convert the space to residential or re-lease it at a different rent. A residential unit might become your principal place of residence, or you might decide to sell one component and hold the other. If your loan structure doesn't allow for this kind of flexibility, you'll face break costs, refinancing fees, or restrictions on how you can use the property.

Flexible loan terms that allow for partial discharges, redraw on the residential portion, and the ability to switch between variable interest rate and fixed interest rate products give you more control. A loan with a revolving line of credit attached to the commercial component also allows you to draw down funds for future improvements or tenant fitouts without needing to reapply for finance. Locking yourself into a rigid structure because the interest rate was slightly lower upfront can cost you more in opportunity and flexibility over the life of the loan.

How a Broker Structures Mixed-Use Finance Differently

A commercial Finance & Mortgage Broker with experience in mixed-use properties will assess the building as a whole, then break it down into components that match lender appetite and your long-term plans. That might mean splitting the loan across two lenders, one for the commercial component and one for residential, or using a single lender with flexible loan structures that allow you to manage each component separately. The goal is to match the lending structure to the asset, not force the asset into a standard product.

We regularly see buyers who've been knocked back by their bank because the property doesn't fit a standard policy. The issue is rarely the property itself, it's that the finance structure didn't reflect how the property actually works. A well-structured approach takes into account the lease profile, the strata arrangement, your equity position, and your plans for the property over the next five to ten years, then builds the lending around that.

If you're looking at a mixed-use development and want to make sure the finance is structured properly from the start, call one of our team or book an appointment at a time that works for you.

Frequently Asked Questions