Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
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Rent is one of your biggest ongoing costs. So when your landlord says it’s time for a “rent review,” you’ll want to know what that means, how it’s calculated, and what you can negotiate before you sign a lease.
In Australia, the rent review mechanism is usually built into the lease. The wording you agree to at the start can make thousands of dollars’ difference over the life of the lease.
In this guide, we’ll break down common rent review methods, what changes if your premises is a “retail shop,” how disputes are handled, and how to negotiate clauses that actually suit your business.
What Is A Commercial Rent Review?
A commercial rent review is the mechanism in your lease that increases (or, sometimes, adjusts) your rent during the term and any options to renew. It’s not a one-off negotiation each year - it’s usually a formula or process you lock in upfront.
Rent reviews typically occur on set “review dates” (for example, every 12 months on the lease anniversary, and on the first day of any option term). The lease will spell out the method used on each review date.
Common methods include Consumer Price Index (CPI) increases, fixed percentage increases, market rent reviews and turnover-based rent (common in some retail categories). Each has pros and cons, and many leases use a mix across different review dates.
It’s critical to read the clause carefully. Small drafting differences can change whether your rent can ever go down, how “market rent” is assessed, and what timeframes apply for objections or disputes.
Common Rent Review Methods In Australia
Most leases use one or more of the following methods. You can (and should) negotiate the approach that fits your cash flow and growth plans.
CPI (Index) Increases
Rent increases by the published CPI for your capital city (often “All Groups CPI”). This tracks inflation, so your rent keeps pace with general price movements.
- Pros: Predictable and usually modest year-to-year.
- Cons: If inflation spikes, so does your rent. Consider a cap (e.g., “CPI capped at 4%”).
Fixed Percentage Increases
Rent increases by a set percentage (for example, 3% per annum). This is simple and predictable for budgeting.
- Pros: Very clear; easy to forecast.
- Cons: If economic conditions soften, you may be locked into above-market rent.
Market Rent Reviews
On the review date, rent is reset to the “current market rent” for comparable premises. The lease should define how market rent is assessed, what assumptions are made, and whether incentives are included or ignored.
- Pros: Aligns rent with real market conditions; can go down if the market drops (especially for retail, where “ratchet clauses” are typically prohibited).
- Cons: Can be complex, time-consuming and costly if valuers are needed. Also introduces uncertainty.
Turnover Rent (Retail)
Some retail leases add a turnover component (for example, base rent plus a percentage of monthly revenue after a threshold). Expect strict reporting obligations and audit rights.
- Pros: Lower base rent with potential upside for the landlord if sales surge.
- Cons: Adds admin burden; sensitive sales data disclosure; profit doesn’t always equal turnover.
Caps, Floors And Ratchet Clauses
Leases sometimes include caps (maximum increase), floors (minimum increase), or “ratchet” provisions (preventing rent from decreasing after a market review). Whether a ratchet is valid depends on the lease type and the relevant retail leasing legislation in your state.
For non-retail commercial leases, ratchets may be permitted if the lease allows it. For retail leases, ratchets are commonly void, and market reviews can result in a decrease. Always check the local rules and the exact drafting.
Retail Leases: Extra Rules You Should Know
Retail shop leases are covered by state and territory laws that add important protections and procedures for rent reviews. If your premises falls within the definition of a “retail shop” in your jurisdiction, different rules apply to disclosure, rent review methods and market rent disputes.
As one example, the Retail Leases Act (NSW) restricts certain rent review methods (including ratchet clauses) and prescribes how market rent is determined, often through an independent specialist retail valuer if parties can’t agree.
Timing also matters around options to renew. Missing a notice window can affect your right to a market review before an option term. It’s smart to diarise key dates and understand lease renewal notice periods in NSW (and the equivalent in your state) well before they arise.
If you operate in NSW, you might also find it helpful to understand how a commercial rent increase in NSW is typically handled under both retail and non-retail leases. Similar themes apply in other states, but the details can differ, so get advice specific to your location and lease.
Negotiating And Drafting Rent Review Clauses
The best time to manage your rent exposure is before you sign. Aim for clauses that are clear, fair and practical to administer day-to-day.
Key Commercial Points To Consider
- Method mix: Consider fixed increases annually with a market review at the start of any option term, or CPI with a cap. Tailor to your risk profile.
- Assumptions for market rent: Spell out what the valuer must assume (e.g., “vacant possession,” “usual incentives ignored,” “no unusual fit-out value”). Clarity avoids disputes.
- Caps/floors: Caps can protect against inflation spikes; floors can reassure landlords. In retail, avoid any ratchet that prevents downward movement after market review.
- Notice and timing: Set reasonable timeframes for issuing rent review notices and responding (measured in “business days” to avoid weekend confusion). It can help to define what counts as a business day in the lease.
- Data for turnover rent: Narrow disclosure to what’s necessary, and include confidentiality, audit parameters and dispute resolution.
- Make processes workable: Who picks the valuer? Who pays? How are invoices adjusted if a market review is finalised late? Good drafting prevents admin headaches.
Get The Right Help Early
A short rent review clause can hide a lot of risk. A lawyer can identify traps, align the method with your business model, and suggest practical tweaks to avoid disputes later.
If a lease is already on foot, a lawyer can also check whether you’ve been charged correctly under the existing review method and whether any relief or adjustment is due. A targeted Commercial Lease Review can be a fast way to spot issues before you commit or renew.
Where you’re still negotiating heads of terms, locking in fair rent mechanics upfront (before the formal lease is drafted) can help. If you’re at the drafting stage, a lawyer can prepare or amend the rent review clause as part of drafting a commercial lease so it’s clear and enforceable.
Key Documents To Consider
- Commercial Lease: Your core document. It should clearly set the rent review method, timing, assumptions and dispute pathway.
- Agreement For Lease: If you’re fitting out or waiting on approvals, the rent review framework is often agreed here - worth an Agreement for Lease Review to avoid surprises later.
- Bank Guarantee Or Security: Landlords often require security; make sure the amount moves sensibly with rent changes and time. Our overview of an understanding bank guarantees outlines typical terms and risks.
- Personal Guarantee: Directors may be asked to guarantee obligations. Weigh the risk, especially as rent escalates, and consider the issues in personal guarantees in Australia.
- Rent Abatement / Variation: If trading conditions change, a negotiated variation or rent abatement agreement can provide temporary relief or restructure the review method.
Disputes, Valuers And Break Options
Even with good drafting, disagreements can happen - especially around market rent.
When You Can’t Agree On Market Rent
Most leases set out a staged process: the parties try to agree; if not, a valuer (or “specialist retail valuer” for retail leases) is appointed to determine the rent. The lease should explain how the valuer is selected (for example, nominated by the President of the local real estate institute) and who pays their fees.
Key issues to look for:
- Assumptions and disregards: The valuer should use the same assumptions both parties agreed in the lease, not improvise new ones.
- Comparable evidence: How incentives, fit-out and location differences are treated can swing the outcome - the lease should give guidance.
- Timing and backpay: If the determination comes in late, the lease should say whether adjustments are backdated and how they’re reconciled on the next invoice.
If You Miss A Date Or Disagree With A Valuation
Leases have strict timeframes to trigger reviews, object to a landlord’s market rent proposal, or request a valuer. Missing a deadline can lock in an unfavourable outcome. Put critical dates in your calendar the day you sign.
If a valuation seems off, check what the lease says about challenging the decision. In many cases, the independent valuation is final and binding unless there’s an obvious error. If you believe procedures weren’t followed, get legal advice on your options swiftly.
Break Options And Termination
Some leases allow you to end the lease early (a “break option”) on or after a review date, particularly if market rent jumps beyond a specified threshold. Where there is no break option, you’ll generally be bound for the term unless you negotiate an exit or assign the lease to another tenant (with landlord consent).
Ending a lease early comes with notice requirements, hand‑back obligations and sometimes fees. If you’re heading that way, read your lease closely and get advice about the relevant rules in your state. For NSW, for example, our overview of lease termination notices outlines typical steps and issues.
Key Takeaways
- Rent reviews are set by the lease - not “re‑negotiated” annually. The method you agree upfront can cost or save you significantly over time.
- Common methods are CPI, fixed percentage, market rent and (for some retailers) turnover rent. Many leases use a mix across different dates.
- Retail leases have extra legal protections and procedures (and often prohibit ratchet clauses), so always check the rules in your state and the exact drafting.
- Negotiate clear assumptions, timelines and dispute steps. Consider caps for CPI, precise market rent assumptions, and workable processes for appointing valuers.
- Diary review dates and option windows early. Missing a deadline can lock in an unfavourable outcome or limit your rights to challenge a proposal.
- Secure the right documents - from your Agreement for Lease to any bank guarantee or rent abatement - and get a focused Commercial Lease Review before you sign or renew.
If you’d like a consultation on negotiating or reviewing commercial rent review clauses for your premises, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no‑obligations chat.
