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Links Property Finance · Investment property mortgage broker, Sydney: Mixed Use Property Loans

A flat above a shop is two uses on one title, and lenders treat it differently from a home.

Reviewed by Charles Touma Updated 18 October 2026

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Shop below, home above? What finance fits mixed use?

Usually residential lending if the home is most of the floor area, commercial lending if the shop is, and some lenders decline in between. Residential treatment means a normal home loan; commercial means a lower loan-to-value ratio and the lease weighed heavily.

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The split of floor area and the zoning decide which.

Part of the investment property loans guide.

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What would the repayments be?

Quick repayment estimate

Quick repayment estimate

$600,000
6.00%
30
Estimated repayment$3,597/mo≈ $1,660 per fortnight · total interest $695,029

If things change

Rate rises 1%$3,992/mo+$395 a month
25‑year term$3,866/mo+$269 a month, saves $135,287 interest
Lender’s test rate (+3%)$4,828/mowhat your budget is assessed at

Principal and interest, constant rate, monthly repayments. An estimate only, not credit advice or an offer.

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How is the split assessed?

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  • Most lenders apply a floor area test: where the residential portion clearly dominates, some will treat the property as residential lending with tighter terms.
  • Where the commercial portion is substantial, the file moves to commercial lending, which means larger deposits, shorter terms and different pricing.
  • The threshold varies, so a property that is residential lending at one institution is commercial at another, which is again the single most useful thing to establish before you offer.

Why does it matter so much?

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  • The difference between the two is not marginal.
  • Residential terms typically mean a longer loan term, lower deposit and residential pricing.
  • Commercial terms typically mean a substantially larger deposit, a shorter term, and often a rate review at intervals rather than a set-and-forget loan.
  • Discovering which applies after you have exchanged is an expensive way to find out.

Zoning and the tenant

Zoning usually permits the mixed use, but what the commercial space is used for matters to a lender assessing the security. A quiet professional office is read differently from a food business or an operation with contamination risk.

Vacant commercial space is a further complication, because part of the property produces no income and is harder to value.

Where do these files get difficult?

Small residential components above larger commercial areas, specialised commercial fit-outs that limit who could re-tenant the space, single-title properties that cannot be separated, and valuations where the two components attract very different yields.

None is fatal; all narrow the lender list, and all are better identified before an offer than during a finance clause.

What decides a mixed use file?

Four factors, checked before you commit.

  • The floor area splitWhether the residential portion dominates decides residential or commercial assessment. Thresholds differ by lender.
  • What the commercial space is used forThe tenant's business affects how a lender reads the security, and some uses narrow the list sharply.
  • Whether it is tenantedVacant commercial space produces no income and is harder to value, which tightens terms further.
  • Deposit expectationsCommercial assessment generally means a substantially larger deposit and a shorter loan term. Commercial property finance.

Common questions about mixed use property

Is a flat above a shop a residential or commercial loan?

It depends on the floor area split and on the lender. Where the residential portion clearly dominates, some lenders will assess it as residential with tighter terms.

Where the commercial portion is substantial, it becomes commercial lending. Because thresholds differ between lenders, the same property can fall either side of the line.

How much deposit will I need?

It depends on how the file is assessed: as residential, closer to a normal residential deposit, though usually with a lower maximum ratio; as commercial, a substantially larger contribution. Establishing which applies comes first.

Does it matter what business is downstairs?

Yes. Lenders consider what the commercial space is used for when assessing the security, including how easily it could be re-tenanted and whether the use carries any environmental or reputational risk. A professional office and a food business are read differently.

Can I live upstairs and rent the shop?

Yes, commonly, and it can work well. The lending question is unchanged: the floor-area split and the lender’s policy decide how the whole property is assessed, whichever part you occupy.

Are the loan terms shorter?

Generally yes, where the file is assessed commercially: shorter terms and sometimes periodic rate reviews rather than a single long loan, which affects both the repayment and your planning.

Get advice on mixed use property loans

Charles can tell you whether it will be assessed as residential or commercial, and what that changes, before you make an offer.

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Charles Touma, mortgage broker at Links Property Finance
Reviewed by Charles Touma Director & Mortgage Broker · MFAA member · Credit Representative 579003 under ACL 389328 About Charles · MFAA register · ASIC register · Complaints processEvery page is reviewed by Charles before it is published and checked against current lender policy and the official scheme pages linked where figures appear.

General information only, not credit or financial advice. Professional lending policies, eligible occupations and loan-to-value thresholds vary by lender and change over time. Eligibility is confirmed against current lender policy in an assessment; nothing on this page is a promise that any lender will approve any application.