How Market Rent Works for Commercial Leases in Australia

Negotiating a commercial lease is one of the biggest financial decisions you’ll make as a business owner. At the heart of most lease negotiations is “market rent” - the rent a premises could reasonably command in the current market.

Get market rent right, and you set your business up with a sustainable cost base. Get it wrong, and you may be locked into an expensive lease that squeezes cash flow or limits growth.

In this guide, we break down what market rent means in Australia, how it’s determined, how to negotiate it confidently, and what to do if you disagree with a landlord’s market rent review. We’ll also flag the key clauses and legal documents worth checking before you sign or renew.

What Is Market Rent (And Why Does It Matter)?

Market rent is the rent a willing landlord and a willing tenant would agree to for comparable premises at the relevant date, assuming both are acting reasonably and without pressure.

It matters because:

• It sets your largest fixed overhead (often for 3-10 years).
• It forms the baseline for increases if your lease has percentage or CPI reviews.
• It’s the anchor for negotiations at renewal - especially under “market review” clauses.

Most leases define how “market rent” will be determined. For retail tenancies, state and territory retail leasing legislation often sets mandatory rules (for example, certain matters must be included or ignored in the assessment).

Market rent doesn’t usually include the value of your business’ goodwill. In retail, rent assessors typically must ignore the value your operations created (e.g. customer loyalty), and focus on the premises and location factors (foot traffic, comparable shops, incentives available in the market, etc.).

How Is Market Rent Determined During A Rent Review?

Your lease will spell out “rent review” mechanisms. Common approaches include:

• Fixed increases: e.g. 3-5% per year.
• CPI increases: tied to the Consumer Price Index.
• Market rent review: usually at option renewal or set intervals.
• Turnover rent: a base rent plus a percentage of sales (common in large retail centres).

For a market rent review, the typical steps are:

1. Trigger and timing: The lease sets the review date (often the start of a renewal term). Watch any notice deadlines to avoid losing an option.
2. Initial proposal: One party (often the landlord) proposes the new rent with supporting evidence (e.g. comparable deals).
3. Negotiation: You can accept, counter, or request further detail about comparables, incentives, and assumptions.
4. Independent determination: If you can’t agree, an independent valuer is appointed under the lease (or via a prescribed process in retail legislation) to determine market rent.

Good evidence drives outcomes. A valuer - or your own advisor - will typically consider:

• Comparable premises: size, frontage, condition, visibility, car parking, signage rights.
• Location factors: centre performance, surrounding development, transport, foot traffic.
• Lease terms: length, options, permitted use, exclusivity, fit-out obligations, trading hours.
• Incentives: rent-free periods, landlord contributions, fit-out support, abatements.
• Economic conditions: demand/supply, vacancy rates, interest rates, sales trends.

In retail leasing, legislation in several states requires the valuer to disregard the value of your business’ goodwill and sometimes tenant-funded improvements. The exact rules vary, so it’s worth getting a Commercial Lease Review before you rely on (or challenge) a market rent clause.

How Do You Negotiate Market Rent Confidently?

Market rent is as much about leverage and preparation as it is about formulas. A few practical strategies:

1) Start Early And Use Your Option Window

Mark the option date in your calendar. Starting discussions 6-12 months out gives you time to gather evidence and, if needed, line up alternatives.

If you have an option to renew, follow the notice requirements strictly. Landlords may refuse a late option exercise, so align your option timing with the market review process set out in the lease. In NSW and QLD, it’s also smart to check lease renewal notice periods in NSW and the equivalent rules in QLD early.

2) Build A Comparable Evidence File

Collect recent deals for similar premises: advertised rents, incentives, net vs gross rent, turnover rent arrangements, and vacancy levels. Include details like fit-out quality, access, and exposure.

When landlords cite headline rents, ask about incentives. Two leases with the same face rent can have very different “effective rent” once you factor in a six-month rent-free or a contribution to your fit-out.

3) Separate Rent From Incentives And Outgoings

Be clear about what you’re paying. Are you negotiating on a net rent (plus outgoings) or a gross rent? Clarify who pays rates, insurance, marketing levies, and repairs. If you’re in a shopping centre, marketing and promotional levies can be significant.

Consider whether a Rent Abatement Agreement is appropriate if there are known disruptions (e.g. centre refurbishment, nearby construction) that may temporarily impact trade.

4) Pressure-Test The Lease Clauses That Affect Price

Even if you settle the initial rent, other clauses can change your total cost:

• Review formula: fixed %, CPI, market - or a combination?
• Ratchet clauses: do increases only go up (no decreases at market review)?
• Turnover rent: how is turnover defined, and what is excluded (online sales, refunds)?
• Make good: what are your end-of-lease restoration obligations and likely cost?
• Operating restrictions: trading hours, exclusivity, and permitted use can affect value.

A targeted Commercial Lease Lawyer can help you model these scenarios and suggest workable alternatives that protect cash flow.

5) Understand Security And Guarantees

Landlords usually require a bank guarantee or security deposit (and sometimes a personal guarantee from directors). Security directly affects your working capital and risk profile, so weigh the options. This is a good time to revisit how a bank guarantee works and whether a personal guarantee is negotiable given your trading history.

Retail Leases: State Rules That Influence Market Rent

Retail leases are subject to state and territory legislation that often prescribes how market rent must be assessed and how rent review disputes are handled. For example, in NSW, the Retail Leases Act requires rent valuers to disregard the value of a tenant’s goodwill and may require the valuer to consider comparable premises and lease terms available in the market.

Across jurisdictions, common retail leasing principles include:

• Disclosure: Landlords must provide a disclosure statement before you enter the lease.
• Market review process: If the lease calls for market rent, a prescribed process for appointment of the valuer and submissions often applies.
• Exclusions: Tenant’s goodwill and some tenant improvements are commonly excluded from valuation.
• Mediation first: Disputes generally go to the Small Business Commissioner or similar body for mediation before court.

If the premises is not a “retail shop” under your state’s legislation (e.g. some industrial or office uses), these statutory rules may not apply, and your lease terms will govern the market review process. When in doubt, get a quick Agreement for Lease Review or a lease check before you commit.

Increases mid-term can also be regulated or affected by law and the lease terms. If you operate in NSW, it’s worth reading about commercial rent increases in NSW to understand how reviews, notices and disputes are typically handled.

What If You Disagree With The Market Rent Determination?

It happens. You may receive a market rent figure that doesn’t reflect incentives being offered next door, or which includes assumptions you say the valuer must ignore.

Here’s a practical path forward:

1) Re‑Read The Rent Review Clause

Start with the process in your lease. Check the timing of notices, the method of appointing a valuer, and what the valuer must consider or disregard. For retail leases, cross-check the legislation in your state.

2) Identify Objective Errors And Gaps

Look for clear issues, such as wrong floor area, ignoring significant incentives, or comparing non-equivalent premises. Gather counter-evidence from comparable deals and current vacancies.

3) Use The Dispute Resolution Path

Most retail leasing laws require mediation before you can escalate. Mediation is fast and low-cost - and many disputes resolve at this stage. If your lease isn’t a retail lease, use the dispute steps set out in the contract.

4) Consider A Determination Review (If Available)

Some leases allow a second valuer or a review if the determination is clearly inconsistent with the criteria. Others say the determination is final and binding (except for manifest error). Either way, you’ll want strong evidence and a clear reading of the clause before taking the next step.

5) Weigh Your Commercial Options

Sometimes, the best move is walking away at the end of term or negotiating alternative value (extra fit-out contribution, signage rights, or a stepped rent). If you plan to relocate, plan your notice timing carefully - in NSW for example, you should factor in any notice to vacate requirements and your make good obligations.

Clauses And Documents That Affect Market Rent (Don’t Skip These)

Before you sign an offer or option renewal, read the terms that drive rent and total occupancy cost:

• Heads of Agreement / Offer to Lease: Sets the commercial terms (rent, incentives, review formula). Ensure wording aligns with what you’ve negotiated before it becomes binding.
• Rent review clause: The mechanics matter - when, how, and which factors are considered or ignored at market review.
• Outgoings and recoveries: What’s included, caps or exclusions, audit rights, and how increases are passed through.
• Incentives: Rent-free, contribution to fit-out, staged rent, and clawback provisions if you end the lease early.
• Security: The size and form of security (bank guarantee or cash bond) and any personal guarantees from directors.
• Make good: Your end-of-lease obligations, which can be a significant cost if not managed.
• Permitted use, exclusivity, signage: All affect the value of the premises to your business - and therefore your view of market rent.

A short, focused lease review with amendment advice can often pay for itself by surfacing a handful of changes that materially reduce risk or total cost over the term.

If you’re negotiating new premises, it’s also sensible to look at your broader commercial footprint. For group operators, consider aligning lease dates with your business day definitions and internal reporting, and standardising security arrangements where possible.

Key Takeaways

• Market rent is the price comparable premises would achieve at the relevant date - it sets your largest fixed cost and underpins review increases.
• Your lease controls how market rent is determined; retail leases add mandatory rules (including ignoring the value of a tenant’s goodwill).
• Prepare early for rent reviews: gather comparables, separate face rent from incentives, and model outgoings to understand effective rent.
• Pay close attention to clauses that change total cost over time, including review formulas, ratchets, turnover definitions, outgoings and make good.
• If you disagree with a market rent figure, follow the lease and statutory process, use mediation, and bring strong, like‑for‑like evidence.
• Before committing, get the commercial terms, rent review clause and security requirements checked - a targeted lease review can save substantial cost and risk.

If you’d like a consultation on market rent and your commercial lease, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.