How To Sublet Commercial Premises In Australia

Subletting can be a smart way for small businesses to reduce overheads, share space with complementary brands, or transition out of a site without breaking the bank.

But it isn’t as simple as handing over the keys. Subletting sits within a web of lease clauses, landlord consent requirements and state retail leasing laws - and your original lease (the “head lease”) still sits squarely on your shoulders.

In this guide, we’ll unpack what subletting is, when it’s useful, how to do it correctly, and the key legal risks to manage so your business stays protected.

What Is Subletting And When Does It Make Sense For Businesses?

Subletting is when you (the head tenant) grant another party (the subtenant) a right to occupy all or part of the leased premises for a period that is shorter than your head lease.

You remain liable to the landlord under the head lease. The subtenant pays rent to you under a separate sublease. In other words, you become a landlord to your subtenant while still being a tenant to your landlord.

When subletting makes commercial sense

• Cost control: You’ve leased more space than you need, and want to offset rent by subletting a portion.
• Seasonal or project-based use: You only need part of the site permanently (e.g. storage, studio) and can share the rest.
• Location retention: You want to keep a prime site but need to downsize operations for a period.
• Exit strategy: You’re planning to relocate but can’t assign the lease immediately - subletting can bridge the gap.

Before you sublet, review your head lease. Many leases prohibit subletting without landlord consent, or set detailed conditions around it. If there’s no written lease in place, you’re exposed to significant uncertainty - especially around consent, rent and end-of-lease obligations - which is why operating with no lease agreement is generally risky for tenants and subtenants alike.

Subletting vs Assignment vs Licensing: Which Option Suits You?

Subletting isn’t the only way to share or transfer occupation rights. Choosing the right method depends on your goals, the space and your lease terms.

Sublease

You keep the head lease and remain liable to the landlord; the subtenant pays you rent. Use this when you want to retain control of the premises or only deal with part of it or a shorter term than your head lease.

Assignment of Lease

You transfer all your rights and obligations under the head lease to a new tenant (the assignee). After a valid assignment, the assignee deals directly with the landlord.

Assignment is suitable when you want to exit the lease completely. You’ll usually need landlord consent, and you may remain liable as a guarantor depending on the documents and state laws. If this is your objective, speak with us about a Deed of Assignment of Lease and any ongoing liability.

Licence To Occupy

A licence grants permission to use space without creating a leasehold interest. It can work for short-term or flexible arrangements (e.g. pop-ups, coworking areas) and usually gives you more control over who is in your space.

Be careful: courts look at substance over labels. If your “licence” grants exclusive possession for a defined term and rent, it may be a lease in law. For shared or short-term occupancy, consider a tailored Property Licence Agreement.

How To Sublet Your Commercial Premises Step By Step

Here’s a practical roadmap to sublet safely while maintaining compliance with your head lease and local laws.

1) Check Your Head Lease And Retail Leasing Laws

• Consent clause: Most leases require landlord consent to sublet. Some say consent “must not be unreasonably withheld” (especially in retail contexts) but will set conditions (e.g. acceptable uses, minimum rent, financial standing of subtenant).
• Permitted use and exclusivity: Make sure the subtenant’s business fits the permitted use and doesn’t breach any exclusive use rights given to you or other tenants.
• Scope: Confirm whether you can sublet part or only the whole premises, and whether alterations or shared areas are allowed.

For retail premises in NSW, there are specific protections in the Retail Leases Act (NSW) around consent, disclosure and assignments that can also influence subleasing scenarios. Other states and territories have their own retail leasing frameworks with similar themes.

2) Prepare A Sublease Proposal For The Landlord

Set out key details to streamline consent:

• Subtenant identity and track record;
• Sublease area (attach a plan), term and any options;
• Proposed rent and outgoings split;
• Permitted use and any fit-out or signage changes;
• Insurance details and security offered (e.g. bank guarantee).

If you agreed a “deal outline” with your landlord before the head lease, it may be captured in an Agreement for Lease. Check whether it imposes any additional subletting conditions.

3) Obtain Written Consent

Consent should be in writing and clearly refer to the proposed sublease terms and area. Landlords often request financial information about the subtenant, a deed of covenant, and confirmation that the sublease mirrors key head lease obligations.

If you’re in NSW and dealing with timing pressures, keep in mind issues like notice to vacate and any applicable disclosure periods in retail settings.

4) Negotiate And Draft The Sublease

Ensure the sublease is aligned with (and expressly subject to) the head lease. This way, if you default under the head lease, you can take steps under the sublease, and vice versa.

You should also resolve shared-services and shared-space rules early (e.g. kitchens, boardrooms, loading docks) to avoid disputes later.

5) Arrange Security, Insurance And Handover

Take appropriate security from the subtenant - commonly a bond or bank guarantee - and set insurance requirements that match or exceed the head lease (public liability, contents, plate glass, business interruption where relevant). If you need a refresher on how a bank guarantee works in leasing, see our guide to bank guarantees.

Complete a condition report with photos on day one and schedule any fit-out approvals in accordance with your head lease process.

6) Manage The Relationship And Compliance

As head tenant, you remain the point of accountability to the landlord. Monitor the subtenant’s rent and performance, ensure repairs and cleaning standards are met, and keep certificates of currency and security up to date.

What To Include In A Commercial Sublease Agreement

Your sublease should be tailored to the site, industry and head lease. At a minimum, cover the following areas in plain, enforceable terms.

Essential commercial terms

• Premises and area: Attach a plan and clearly describe any shared spaces.
• Term and options: Ensure the sublease ends before your head lease expiry (including options if not exercised).
• Rent and outgoings: State base rent, GST treatment, increases (CPI/fixed/market review), and how utilities, cleaning and other outgoings are split.
• Security: Bond or bank guarantee details, drawdown triggers and top-up requirements.

Alignment with the head lease

• Incorporation clause: The sublease should be “subject to” the head lease and incorporate key obligations (repair, access, payment of outgoings, use, compliance, insurances).
• Permitted use and exclusivity: Mirror the head lease and any centre rules or exclusivity clauses.
• Fit-out and alterations: Require prior written approval where the head lease requires it, and ensure the subtenant follows the same processes.

Operational rules

• Shared-services protocol: Kitchen, amenities, reception, meeting rooms, storage, loading docks - who can use what, when and how costs are divided.
• Signage: Location, size, branding approval steps and removal obligations at end of term.
• Access and security: Keys, passes, alarm codes and after-hours access rules.

Risk and liability

• Maintenance and make-good: Who fixes what during the term, and end-of-term make-good obligations aligned with the head lease.
• Insurance: Minimum policy limits, evidence of cover and cross-waiver if required by the head lease.
• Indemnities and limitation of liability: Reasonable allocation of risk between you and the subtenant, without cutting across your head lease obligations.

Default and termination

• Default triggers: Non-payment, unlawful use, breach of building rules and serious WHS issues.
• Remedies: Interest, suspension of services, step-in rights to remedy breaches and termination rights.
• Head lease termination: What happens if the head lease ends early (e.g. you or the landlord terminates) - the sublease should automatically end, with clear rights and responsibilities on exit.

When subleasing forms part of a broader exit, it’s worth planning your pathway alongside alternatives such as a full assignment or a negotiated Lease Surrender Agreement, so you’re not locked into an arrangement that doesn’t serve your next stage.

Legal Risks, Compliance And Common Pitfalls

Subletting can work well if you manage risk. Here are the issues we see most often (and how to avoid them).

1) Landlord consent gaps

Never assume consent is implied. Without documented consent, you could be in breach of the head lease (which may expose you to termination or damages). Your consent letter should approve the subtenant, the use and the key terms - and attach the approved sublease form where possible.

2) Misalignment with the head lease

If your sublease terms don’t align with the head lease, you can get stuck in the middle - liable to the landlord for things the subtenant isn’t obliged to do. Incorporate the head lease obligations and cross-reference them clearly.

3) Overlooking “retail” status and disclosure

Many shops and even some service premises are “retail” under state legislation. This can trigger extra obligations around disclosure, outgoings statements, repair liability and dispute resolution. In NSW, a practical example is the additional notices and timing around lease renewal notice periods. Get clear on whether your premises is retail and comply with your jurisdiction’s requirements.

4) Unclear shared-space rules

Disputes often arise over kitchens, storage areas, display windows or loading docks. Spell out in the sublease how these spaces are used, maintained and costed, including booking systems and cleaning rosters where relevant.

5) Inadequate security and insurance

Set the right security from day one (bond or bank guarantee) and mirror the head lease insurance requirements - with evidence of cover before handover. This limits your exposure if the subtenant defaults or causes damage.

6) End-of-term surprises

Make-good is a common flashpoint. Align your sublease make-good with the head lease, keep a detailed condition report, and diarise dates well ahead of expiry so you (and the subtenant) can plan works and vacate smoothly. Where termination is inevitable, understand your options around formal notices and, in NSW, the mechanics of a notice to vacate.

7) Using the wrong document for the deal

Calling a lease a “licence” doesn’t make it one. If the arrangement grants exclusive possession for a term and rent, it’s likely a lease regardless of title. Conversely, for short-term pop-ups and shared desks, a flexible Property Licence Agreement may be more appropriate than a long-form sublease.

8) Not getting advice early

Small tweaks to structure can have big impacts - for example, whether rent reviews compound, how outgoings are apportioned, or whether your sublease properly passes through repair obligations. A quick chat with a Commercial Lease Lawyer early can save real money and stress later.

Key Takeaways

• Subletting lets you share or monetise excess space while keeping your head lease - but you remain liable to the landlord, so documentation and consent matter.
• Choose the right structure: a sublease for partial or shorter occupation, an assignment to exit completely (with a formal Deed of Assignment of Lease), or a licence for short-term, non-exclusive use.
• Get written landlord consent, align the sublease with the head lease and confirm whether retail leasing rules apply in your state.
• Cover the essentials in your sublease: area plan, term, rent/outgoings, security, insurance, make-good, shared-space rules and default/termination.
• Plan the end game early - including renewal timing, notices and exit options like a negotiated Lease Surrender Agreement - to avoid last‑minute costs.
• A little upfront advice from a Commercial Lease Lawyer can help you structure the deal, protect your position and keep the landlord onside.

If you would like a consultation on subletting your commercial premises, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.