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Do You Actually Understand Your Commercial Lease Rent Structure?

  • May 18
  • 4 min read
Bobby Bobblehead café owner at night reviewing a rent bill, surrounded by scattered receipts, looking shocked.

A commercial lease rent structure is one of the largest fixed costs in your business, yet for many operators, it’s also one of the least understood. You signed the lease. You accepted the annual increases. And since then… you’ve probably just absorbed the cost.


But here’s the issue:

rent doesn’t just increase, it compounds, shifts, and quietly changes how much of your revenue it consumes.


If you haven’t reviewed how your rent actually works, there’s a good chance you’re paying more than you realise, or at the very least, not managing it strategically.





Why This Matters Now

Across Australia, commercial rent increase clauses are becoming more complex and more impactful.

Government guidance shows that lease agreements often include structured increases, review clauses, and additional obligations that many tenants don’t revisit after signing (see Business.gov.au’s guide to leasing business premises).

At the same time:

  • Turnover-based leases are more common in hospitality 

  • Outgoings are rising (utilities, council rates, insurance) 

  • CPI-linked increases are compounding faster than expected 

This means your occupancy cost percentage may be increasing without clear visibility.





The Different Types of Rent Structures

(Most Operators Overlook)


1. Fixed Rent (Base Rent)

This is the simplest model:

  • A set dollar amount per month or year 

  • Typically increases annually (CPI or fixed %) 


The risk:It feels predictable, but over time, compounded increases can significantly outpace revenue growth.



2. CPI or Fixed Percentage Increases

Most leases include automatic increases such as:

  • CPI-linked adjustments 

  • Fixed annual increases (e.g. 3–5%) 

Australian tenancy resources outline how these increases are commonly applied across lease terms (outlined in the WA Commercial Tenancy Guide).


What to watch:

  • CPI spikes can accelerate rent unexpectedly 

  • Fixed increases may exceed actual business growth 



3. Percentage Rent (Turnover Rent)

Common in hospitality and retail:

  • Base rent + a percentage of revenue above a threshold 


Example:

  • 7% of turnover once revenue exceeds $1M 


This model, often called a percentage lease, allows landlords to share in business performance (explained in Investopedia’s percentage lease overview).


Why operators underestimate it:

  • It’s rarely modelled properly before signing 

  • Growth can trigger disproportionately high rent costs 



4. Outgoings (The Hidden Layer)

This is where leases become less transparent.


Outgoings can include:

  • Council rates 

  • Insurance 

  • Maintenance 

  • Cleaning and common area costs 


Legal guidance highlights that these costs are often passed through to tenants and can vary significantly year to year (see LegalVision’s explanation of commercial lease outgoings).


Key issue:Outgoings are variable and often increase faster than rent itself.




What Is a Healthy Occupancy Cost?

For most hospitality businesses:

  • 8–12% of revenue → Healthy range 

  • 12–15% → Pressure building 

  • 15%+ → Often unsustainable 


Industry benchmarks consistently show occupancy as a critical metric alongside food and labour (see Eat’s top metrics to follow).

 

If your lease includes turnover rent and rising outgoings, this percentage can increase quickly, even if base rent appears stable.





Why Your Rent Keeps Rising

(Even If Nothing Changes)

Rent increases rarely come from a single source.


They typically combine:

  • Annual CPI or fixed increases 

  • Turnover rent triggering at higher revenue 

  • Rising outgoings 

  • Periodic market reviews 


State-based tenancy resources outline how these mechanisms operate within lease agreements. Individually, each increase seems manageable.Together, they quietly erode margin.




The Real Risk: Not Reviewing the Structure


Most operators:

  • Track labour weekly 

  • Monitor food costs closely 

  • Review suppliers regularly 


But rent?

It often goes untouched for years.


The issue isn’t just cost, it’s a lack of visibility into:

  • What’s driving increases 

  • How future costs will evolve 

  • Whether the structure still suits the business 





What Operators Should Do


1. Break Down Your Rent Structure

Understand:

  • Base rent 

  • Increase mechanism 

  • Turnover clauses 

  • Outgoings 

If you can’t clearly explain it, you don’t fully understand it.


2. Calculate Your True Occupancy Cost

Include:

  • Base rent 

  • Turnover rent 

  • All outgoings 

Then express it as a percentage of revenue.


3. Model Future Increases

Project:

  • 3–5 years of rent 

  • Impact of CPI or fixed increases 

  • Growth scenarios under turnover rent 


4. Review Before Renewal

Your best opportunity to renegotiate is:

  • Before exercising lease options 

  • Before renewal periods 


5. Benchmark Against Industry

Compare your occupancy cost to:

  • Industry benchmarks 

  • Similar venues 

  • Your own historical performance 

This turns rent from a passive cost into an actively managed one.





The Bigger Insight

Rent is rarely the most dramatic expense.


But it is one of the most consistent, increasing quietly, predictably, and often without review.


Over time, that consistency has a compounding impact on profit.





Conclusion

You agreed to your lease based on what made sense at the time. But your business has changed.Your revenue has changed.Your cost structure has changed.


The question is:

Do you still understand your rent, or are you just absorbing it?




CTA: Understand What You’re Really Paying

Rent is often one of the largest fixed costs in a business, yet many owners haven’t reviewed their lease structure since signing.


Small details in rent increases, outgoings, and terms can have a long-term impact on profit.


The first step is understanding how your rent actually works.




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