How To Negotiate A Commercial Rent Increase In Australia

If you run a small business, your premises is often more than just a place to trade - it’s where your customers find you, where your team works, and where your brand “lives”. So when you receive notice of a commercial rent increase, it can feel like the ground shifts under you.

The good news is that a rent increase isn’t always a take-it-or-leave-it situation. In many cases, there are clear rules in your lease about when rent can increase, how it’s calculated, and what notice the landlord must give you. And even where an increase is permitted, you may still be able to negotiate the timing, the method, or other lease terms to keep your business sustainable.

Below, we break down how commercial rent increases work in Australia, what to check in your lease, what options you have, and practical negotiation strategies. If you’re preparing for renewal or you’ve already received a rent increase notice, this guide will help you respond with confidence.

Tip: Before making any big call (like agreeing to the increase, relocating, or disputing it), it’s often worth getting your lease reviewed so you understand your rights and leverage early. A Commercial Lease Review can help you spot problem clauses and map out your best options.

What Is A Commercial Rent Increase (And Why Does It Happen)?

A commercial rent increase is any increase to the rent you pay under your commercial lease. Unlike residential tenancies, commercial leases are heavily driven by contract terms - meaning the “rules” are usually whatever you and the landlord agreed to in writing (alongside any applicable state or territory leasing laws).

Landlords increase rent for a range of reasons, including:

• Market movement: rents in the area have increased and the landlord wants to align your rent with “market rent”.
• Cost pressures: higher outgoings (like insurance, rates, body corporate fees) or higher interest rates.
• Lease structure: the lease may be drafted to provide automatic yearly increases (often CPI or fixed percentage).
• Renewal leverage: if your lease is ending, the landlord may seek to reset rent as part of a new term.

The key thing to remember is this: in most cases, a landlord can only increase rent in line with the rent review clause in your lease and any applicable legal requirements (particularly for retail leases). If the lease doesn’t allow an increase at that time - or the landlord hasn’t followed the required process - you may be able to challenge it.

Commercial Rent Increase vs Outgoings (They’re Not The Same)

Many business owners understandably focus on base rent - but your occupancy costs may also include outgoings (for example, council rates, building insurance, cleaning, security, and common area maintenance).

Sometimes what looks like a commercial rent increase is actually:

• an increase to outgoings, or
• a “reconciliation” adjustment after annual outgoings are calculated.

That’s why it’s important to look at the notice and the lease wording carefully before you respond.

How Do Commercial Rent Increases Usually Work In Australia?

In most commercial leases, rent increases fall into a few common categories. Your lease might use one method throughout, or it might apply different methods at different times (for example, annual CPI increases plus a market review at renewal).

1. Fixed Percentage Increase

This is one of the simplest mechanisms. The lease might say rent increases by a fixed percentage each year (for example, 3% or 4%).

What to watch: Fixed increases can outpace the market in slow periods. If your industry is experiencing reduced foot traffic or reduced consumer spending, a fixed increase can become hard to sustain.

2. CPI (Consumer Price Index) Increase

CPI increases adjust rent based on inflation. This is often seen as “fairer” because it ties increases to broader economic conditions.

What to watch: CPI can spike in high inflation periods, and different CPI measures may apply depending on how the lease is drafted.

3. Market Rent Review

A market rent review aims to reset rent to what the premises would reasonably rent for on the open market at the review date.

Market reviews often appear:

• at the end of the term (when you renew), and/or
• at set intervals (for example, every 3 or 5 years).

What to watch: The lease should specify how market rent is determined (for example, by valuation, by negotiation, or by a specialist valuer if there’s disagreement). If your lease is covered by retail leasing legislation, there may also be specific rules around rent reviews and dispute processes (which vary by state/territory).

4. Turnover Rent (Less Common, But Important)

Some retail leases include “turnover rent”, where part of rent depends on your revenue. If you have this structure, a rent increase might be linked to sales performance.

What to watch: Turnover rent clauses can require detailed reporting obligations and may raise privacy/commercial sensitivity issues for your business.

What To Check In Your Lease Before You Respond

When you receive a commercial rent increase notice, it’s tempting to reply quickly - especially if you’re worried about relationship strain with your landlord. But your best move is usually to pause and check the lease first.

Here’s a practical checklist of what to look for.

1. Is The Increase Actually Allowed Under The Lease?

Start with the rent review clause. Ask:

• Does the lease allow increases annually, only at renewal, or both?
• What method applies (fixed, CPI, market review, other)?
• Are there any limits or caps?

If the lease doesn’t clearly allow the increase, or the landlord is using the wrong method, you may have grounds to challenge it.

2. Did The Landlord Give The Correct Notice?

Many leases require rent review notices to be given within a particular timeframe or in a particular form. If your lease is covered by retail leasing laws, there may also be additional statutory notice or process requirements (and specific dispute resolution pathways) depending on your state or territory.

Check:

• how much notice is required (e.g. 30 days, 60 days),
• how notices must be served (email, post, hand delivery), and
• what information must be included (e.g. calculation, effective date).

3. Is The Increase Calculated Correctly?

Even when the rent increase method is correct, calculation errors happen - especially with CPI formulas or when rent is expressed as GST exclusive/inclusive amounts.

Ask for a breakdown if it hasn’t been provided. If you’re unsure, it’s often worth having the numbers checked before you agree in writing (and if needed, speaking with your accountant about any tax/GST implications for your specific situation).

4. Are You Actually In A “Retail Lease” Situation?

Depending on your business and premises, your lease may fall under retail leasing legislation in your state/territory. Retail leasing frameworks can impose additional requirements and dispute pathways.

Because the rules vary across Australia, it’s important to confirm which regime applies to you (and whether your lease is genuinely a “retail lease” for legal purposes).

If you’re negotiating lease terms or responding to a landlord notice, a Commercial Lease Review can be particularly helpful in a retail context because small drafting details can change your bargaining power.

5. Are There Other Clauses That Matter Right Now?

A rent increase conversation often opens the door to broader lease issues, including:

• Options to renew: do you have an option, and have you exercised it properly?
• Make good: what will it cost you if you leave?
• Assignment/subletting: can you transfer the lease if you sell the business?
• Outgoings: are they capped, estimated, or reconciled annually?

If renewal is on the table, this is also the right time to think about whether you should negotiate an extension formally. Depending on your situation, an Extension Of Lease can help document the new terms clearly rather than relying on informal emails.

How To Negotiate A Commercial Rent Increase (Practical Strategies That Work)

Even when a commercial rent increase is permitted under your lease, negotiation is often possible - especially if the landlord wants to keep a reliable tenant and avoid vacancy costs.

Below are negotiation strategies we often see work well for small businesses.

1. Treat It Like A Package Deal (Not Just A Number)

If the landlord wants an increase, consider what you want in exchange. For example:

• a longer term (or stronger renewal option),
• a rent-free period to absorb the increase,
• fitout contributions or repairs,
• more flexible trading hours or permitted use,
• an outgoings cap or clearer outgoings reporting.

Landlords can be more flexible when the discussion isn’t purely “yes/no” on rent, but a broader commercial arrangement.

2. Use Evidence (Not Emotion)

You don’t need to “win” the argument - you need to support your position.

Useful evidence includes:

• vacancy rates in the building or area,
• comparable rents for similar premises,
• your own turnover trends (if you’re comfortable sharing high-level data),
• evidence of reduced foot traffic (especially for retail/hospitality).

If the landlord is claiming “market rent”, it’s reasonable to request how they’ve assessed that market.

3. Negotiate Timing (If Cashflow Is The Real Issue)

Sometimes the problem isn’t the increase itself - it’s the timing. If you’re coming off a slow season or you’ve just invested in stock, staff, or fitout, you may be able to negotiate:

• a delayed start date,
• a phased increase (e.g. half now, half in 6 months), or
• an increase tied to a sales milestone.

4. Check Your “Option To Renew” Leverage

If your lease includes an option to renew and you’ve exercised it correctly, the landlord may have less flexibility to impose new conditions outside of what the option allows.

This is a technical area, and it’s a common place where tenants accidentally lose leverage by missing timeframes or giving informal notice.

5. Put Everything In Writing (And Keep It Clear)

If you negotiate a different rent figure or a different increase method, make sure it’s documented properly (not just a vague email thread).

Depending on the change, you may need:

• a formal variation document (so the lease terms are updated), or
• a new lease/renewal document for the next term.

Where the negotiations are getting detailed, having a lawyer assist with lease review and amendment advice can help make sure the “deal” you think you’ve reached is actually enforceable and doesn’t create new risks.

What If You Can’t Afford The Rent Increase?

If the commercial rent increase simply isn’t workable for your business, you still have options. The right option depends on your lease terms, timing, and how much flexibility you have operationally (for example, whether you can trade from another location).

1. Ask For A Rent Reduction Or Temporary Relief

This may feel uncomfortable, but many landlords prefer a temporary concession to losing a tenant entirely.

Consider proposing:

• a temporary rent reduction for a fixed period,
• a turnover-based rent arrangement (where appropriate),
• deferral of part of the rent (to be repaid over time), or
• removing or reducing certain outgoings contributions.

Be ready to explain the “why” and the plan for recovery - landlords respond better when the request is structured and realistic.

2. Explore Whether You Can Assign Or Sublease

If you’re thinking about exiting the premises, check whether the lease allows you to assign (transfer) the lease or sublease it to another tenant. This can be a practical way to reduce losses if relocation is your best move.

If you do find a new tenant, the documents need to be done properly. A Deed Of Assignment Of Lease is commonly used to document a lease transfer, including consents and handover obligations.

3. Consider Termination Or Surrender (But Don’t Jump Too Fast)

Some leases have break clauses or other exit rights, but many do not. If you leave without the right legal basis, you could still be liable for rent and other costs (and the landlord may have rights to claim losses).

If you’re considering an early exit, it’s worth getting advice on the lease termination position before you communicate a final decision. In some cases, a negotiated surrender is possible, but it should be documented clearly. A lease termination advice process can help you understand your exposure and your negotiation options.

4. Plan For The “Make Good” Costs

If you leave, check your make good obligations. “Make good” often means restoring the premises to a particular condition (which can be expensive).

This is a common hidden cost that affects your decision to stay vs relocate - and it can also be a negotiation point (for example, agreeing to an increase in exchange for a make good waiver at the end of term).

How To Prepare For A Commercial Rent Increase Before It Happens

The best time to deal with a commercial rent increase is often before the notice arrives - especially if you’re approaching a renewal or a scheduled market review.

Here are practical steps you can take to prepare.

1. Create A “Lease Dates” Calendar

Set reminders for:

• annual rent review dates,
• option exercise windows,
• expiry date and holdover provisions,
• key notice periods (for renewals, disputes, or termination rights).

Missing an option exercise deadline can significantly reduce your negotiating power, so this is one of the highest-impact admin steps you can take.

2. Benchmark Your Rent Regularly

Even if you’re not in a formal market review period, it helps to understand what comparable premises are renting for.

If you wait until the landlord tells you what “market” is, you’re negotiating from behind.

3. Keep Your Documents And Negotiations Organised

When it comes to renewals and rent changes, it’s surprisingly easy for informal communications to create confusion later (especially if different property managers are involved over time).

Keep a folder with:

• your signed lease and any variations,
• rent review notices,
• outgoings statements and reconciliations,
• key emails relating to lease changes.

4. Know Your “Walk Away” Costs

Before you negotiate, it helps to understand the true cost of leaving:

• make good obligations,
• business interruption (loss of trade during move),
• fitout costs at a new premises,
• marketing costs to re-establish your location.

If you know your walk away cost, you can negotiate with more clarity - and avoid agreeing to an increase out of fear when relocation might actually be the better commercial choice (or vice versa).

Key Takeaways

• A commercial rent increase is usually governed by your lease (and, for some businesses, retail leasing laws), so the first step is checking whether the increase is allowed, how it must be calculated, and what notice requirements apply.
• Common rent increase methods include fixed percentage increases, CPI increases, and market rent reviews - and your lease may combine more than one method across the term.
• Before responding, confirm whether the increase relates to base rent, outgoings, or both, and check the calculations carefully.
• Negotiation often works best when you treat rent as part of a broader package (term, incentives, repairs, outgoings caps) rather than focusing only on the dollar figure.
• If you can’t afford the increase, you may be able to negotiate relief, explore assignment/subleasing, or consider a structured exit - but it’s important to understand your lease risks and any applicable dispute processes before making commitments.
• Planning ahead (tracking key lease dates, benchmarking rent, and understanding your relocation costs) puts you in a stronger position long before the next rent review arrives.

If you’d like help responding to a commercial rent increase or negotiating your lease terms, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.