Investment Loans: What Not to Overlook by Property Type

Lenders assess each investment property type differently, and a loan structure approved for a two-bedroom unit often fails when applied to a house on subdivided land or a small commercial tenancy.

Why Property Type Dictates Loan Structure

Lenders apply distinct serviceability adjustments, valuation methods and loan-to-value ceilings depending on whether you purchase a standard residential dwelling, a strata title unit, a rural holding or a property with commercial use. A three-bedroom house in Meadow Springs may support an 80 per cent loan-to-value ratio with rental income assessed at 80 per cent of market rent, while a rural-residential block in Greenfields faces a 70 per cent ceiling and rental income discounted to 70 per cent or excluded altogether. Body corporate levies, vacancy assumptions and resale liquidity each alter how much an applicant can borrow and which lenders will participate.

Consider an investor purchasing a two-bedroom apartment in Mandurah's central precinct. The lender accepts an 80 per cent LVR, applies the standard 3.0 percentage point serviceability buffer and assesses rental income at 80 per cent of the advertised weekly rate. The same borrower then approaches the lender to refinance into a four-bedroom character home on a 2,000 square metre block in Coodanup. The lender downgrades the maximum LVR to 70 per cent, treats rental income at 70 per cent and requests a specialised valuation because the land size exceeds its automated valuation threshold. The borrower requires an additional deposit and faces higher Lenders Mortgage Insurance if they proceed, despite identical income and liabilities.

Strata Title and Body Corporate Costs

Units, townhouses and apartments under strata title attract body corporate levies that reduce net rental yield and affect serviceability. Most lenders deduct quarterly body corporate fees from rental income before applying their 80 per cent shading, so a property generating $400 per week with $1,200 quarterly levies yields $377 assessable income rather than $320. Lenders also scrutinise the strata plan for special levies, sinking fund balances and building defects. A unit in a complex with deferred maintenance or litigation between owners and the body corporate may be declined outright or approved at a lower LVR.

In Mandurah, older strata complexes near the eastern foreshore sometimes carry elevated body corporate fees due to shared jetty access, pool maintenance and aging common infrastructure. An investor comparing two properties with identical purchase prices and rental returns must model the after-levy cash flow and confirm the lender will not impose additional serviceability haircuts based on building age or defect history.

Houses on Large or Irregular Blocks

Residential properties on blocks exceeding 2,500 square metres, or those zoned rural-residential, trigger stricter lending criteria. Many lenders cap the LVR at 70 per cent and either exclude rental income or shade it to 60-70 per cent of market rent, citing longer vacancy periods and narrower buyer demand. Properties with secondary dwellings, sheds larger than the main residence or unpermitted structures face further restrictions.

A house on a 4,000 square metre block in Lakelands may appeal to tenants seeking space for vehicles, animals or home-based work, but the lender treats it as rural-residential and reduces maximum borrowing accordingly. The investor must supply a larger deposit and demonstrate that other income sources can service the loan if rental income is excluded. Some non-bank lenders offer higher LVRs for this property type but charge a margin above standard investment loan rates to offset perceived risk.

Dual-Occupancy and Granny Flat Configurations

A property with an approved secondary dwelling generates two rental income streams but not all lenders recognise both. Some assess only the primary dwelling's rent, others accept both incomes if separate tenancy agreements and utility connections exist, and a third group declines the application unless the granny flat appears on the certificate of title as a separate lot. Unapproved secondary dwellings are excluded from rental income and may reduce the property's valuation if council records show a discrepancy.

Investors purchasing or building dual-occupancy properties in Mandurah's growth corridors should confirm before settlement that the lender will assess both income streams and that the valuer has access to comparable sales reflecting the dual-income configuration. Refinancing later to a lender that excludes the second income can force a sale or require capital injection to meet the new LVR limit.

Mixed-Use and Small Commercial Components

Residential properties with a shop front, home office tenancy or commercial zoning component fall outside standard residential lending policy. Lenders either refer the application to their commercial credit team or decline it. Commercial loans typically require a 30-40 per cent deposit, shorter interest-only periods and principal-and-interest reversion within five years. Interest rates sit 0.5 to 1.5 percentage points above residential investor rates, and rental income is assessed using net operating income after outgoings rather than gross rent.

A duplex in Halls Head with one residential tenancy and one office tenancy may be financed as residential if the commercial use occupies less than 50 per cent of floor area and the property retains residential zoning, but this varies by lender. The investor should approach a broker familiar with mixed-use policy before contracting, as discovering the restriction during formal application delays settlement and risks deposit forfeiture.

New Builds Versus Established Properties

From 1 July 2027, negative gearing on established residential properties acquired after 12 May 2026 will be quarantined, with losses only deductible against residential rental income or capital gains. New builds retain full negative gearing treatment, making them more attractive for investors relying on tax offsets to manage cash flow. A new build is defined as a property that adds to housing stock and has not been previously sold, unless the first owner was the builder and the property remained unoccupied for more than 12 months.

Lenders do not yet adjust serviceability or LVR based on the proposed negative gearing changes, but investors purchasing established property should model cash flow assuming quarantined losses cannot offset wage income. Those buying off-the-plan or newly completed homes in estates such as Lakelands or Madora Bay retain existing negative gearing benefits and may choose between the 50 per cent capital gains tax discount or cost base indexation when the property is sold.

Specialty Property Types Lenders Restrict

Serviced apartments, student accommodation, residential care facilities and properties sold with guaranteed rental returns face limited lender appetite. Most major banks exclude these property types, and non-bank lenders that participate impose LVRs of 60-70 per cent with rates 1.0 to 2.0 percentage points above standard residential investor products. Guaranteed rental agreements are excluded from serviceability unless the guarantor is a registered corporation with audited financials, and the guarantee period usually expires before the loan term.

Investors attracted to high advertised yields in specialty sectors should confirm lender acceptance and realistic residual value before exchanging contracts. A property marketed with an 8 per cent return may revert to 4 per cent once the guarantee lapses, and resale may require a buyer willing to accept the same lender restrictions.

How Vacancy Rates Vary by Property Configuration

Lenders apply a standard vacancy assumption of 4-6 weeks per year when assessing rental income, but properties with fewer bedrooms, no parking or high body corporate fees experience longer vacancy periods in practice. A one-bedroom unit in central Mandurah may sit vacant for three months between tenants if the local rental market favours families, while a four-bedroom house with a double garage leases within two weeks.

Investors should compare the lender's rental assessment with local property management data for the specific configuration. A property that meets the lender's serviceability test but sits vacant for extended periods erodes cash flow faster than the loan structure anticipated. Refinancing or topping up the loan later requires proof of rental income, and a history of long vacancies may prompt the new lender to reduce its assessed rent or decline the application.

Loan Features That Suit Different Property Types

Interest-only terms reduce cash outflow on negatively geared properties but require refinancing or reversion to principal and interest after five years. Properties with strong capital growth prospects and lower holding costs suit longer interest-only periods, while those purchased for yield in softer growth areas benefit from principal reduction. Offset accounts preserve flexibility for future deposits or renovations but typically pair with variable rates, and redraw facilities allow access to extra repayments without refinancing.

An investor holding a new townhouse in Lakelands may prioritise an offset account to accumulate the next deposit while preserving deductibility of the full loan balance. An investor with a renovated character home in Halls Head may prefer a redraw facility and lower rate, accepting reduced liquidity. The property type and investment property finance strategy determine which features justify any rate margin or fee.

Investors expanding a portfolio across different property types require lender panel diversity. A broker with access to banks, regional lenders and non-bank financiers can match each property to the lender most likely to approve at the highest LVR and lowest margin. Call one of our team or book an appointment at a time that works for you.

Frequently Asked Questions