Cipher Insurance

Investment Property

Commercial Strata
Insurance.

Cipher Insurance is a dedicated insurance broker helping Australian owners corporations arrange insurance for commercial strata properties. Here is what it covers, what it costs and how we work.

What It Is

The straightforward version.

If you are on the committee or manage the insurance for a commercial strata scheme, commercial strata insurance is the cover the owners corporation is required to arrange and maintain under strata legislation.

It covers the building and common property of the scheme, including office complexes, retail centres and industrial units where individual lots are owned by separate parties. The tenant mix and business activities in the building are important factors in how underwriters assess and price your risk.

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What It Covers

A standard commercial strata policy generally covers the following. Exact scope varies by policy and insurer.

Building cover for the commercial strata building structure and common property
Common area contents including shared facilities, plant and equipment
Public liability for incidents occurring in common areas of the scheme
Office bearers' liability for committee members acting in their strata role
Machinery and equipment breakdown for shared plant such as elevators and HVAC systems

Common Examples

Situations where commercial strata cover may be required.

The following are some common examples of situations relevant to commercial strata insurance. This is not an exhaustive list and requirements depend on your specific scheme and circumstances.

Insurance is required under strata legislation

Commercial strata insurance is required under strata legislation in all Australian states and territories. The owners corporation or body corporate is generally responsible for arranging and maintaining building insurance for the scheme. Requirements vary by state.

Your scheme is coming up for renewal

If your strata insurance is due for renewal and the committee wants to compare the market or check that the current cover is adequate, we can review your policy and approach our panel of commercial strata insurers on your behalf.

Your tenant mix or building use has changed

Changes in the types of businesses operating in your building can affect your cover. If a new high-risk tenant has taken a lot, or the building use has changed in any way, let us know so we can confirm your policy still responds appropriately.

Cost

What does commercial strata insurance cost in Australia?

Commercial strata insurance premiums vary significantly depending on the building sum insured, the number of lots, the tenant mix, the building type and age, the location and the claims history of the scheme. Smaller commercial strata schemes can generally attract premiums from around $3,000 to $10,000 per year. Larger buildings with complex tenant mixes or in high-risk locations can attract premiums from $10,000 to $20,000+ per year.

Building construction costs have increased substantially in recent years. An under-insured building following a major loss can leave you and other lot owners facing a significant shortfall. Reviewing the building sum insured at each renewal is important.

These are general market ranges only. Every scheme is different and the only accurate figure is the one an underwriter produces after reviewing your scheme's specifics.

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What drives your premium

Building sum insured and number of lots
Building type, age and construction materials
Current tenant mix and commercial activities in the building
Location and natural hazard zone rating
Common area facilities and plant
Claims history of the strata scheme
State and territory stamp duty

Our insurer panel

We work with a panel of insurers for commercial strata cover including CHU, QBE and Chubb. If your scheme has a complex tenant mix, a prior claims history or other factors outside their standard criteria, we have access to further underwriters who can help.

How We Work

From enquiry
to settled claim.

Get in touch

Tell us about the commercial strata scheme, the number of lots, the building type and current tenant mix, the cover in place and the next renewal date.

We search the market

Cipher Insurance assesses the scheme's exposure and goes to our panel of commercial strata insurers to identify suitable options on both coverage and price.

We bind your policy

Once the committee is happy with the terms, we arrange and bind the policy. Your Certificate of Currency is issued once payment is confirmed.

Ongoing support

We manage renewals, mid-term changes and any claims end-to-end throughout the life of the cover, from first notification through to resolution.

Common Questions

Questions people ask us.

Every scheme is different. These answers reflect general market practice. Speak with a Cipher Insurance broker for guidance specific to your scheme and state.

Information last reviewed: July 2026

What is commercial strata insurance?

Commercial strata insurance is a policy arranged by an owners corporation or body corporate to cover the building and common property of a strata-titled commercial property. It covers commercial buildings such as office complexes, retail centres and industrial units where individual lots are owned by separate parties under a common strata title arrangement. It is distinct from residential strata insurance, which covers residential apartment buildings, and from commercial property insurance, which covers buildings not held under a strata title.

Is commercial strata insurance mandatory in Australia?

Commercial strata insurance is required under strata legislation in all Australian states and territories. The owners corporation or body corporate is generally required by law to arrange and maintain building insurance for the scheme. The specific requirements vary by state and the applicable strata legislation. An owners corporation that fails to maintain adequate insurance may expose itself and individual lot owners to significant financial risk following a major loss event.

Who arranges commercial strata insurance?

Commercial strata insurance is arranged by the owners corporation or body corporate, typically through the strata committee or a strata manager acting on the committee's behalf. The cost of the insurance is a shared expense of the scheme, funded through the administrative levies paid by all lot owners. Individual lot owners or business tenants do not arrange the strata building insurance themselves, though they may hold separate business insurance for their own operations within their lot.

What does commercial strata insurance cover?

A commercial strata insurance policy generally covers the building and common property of the scheme, common area contents, public liability in common areas, office bearers' liability for committee members and machinery breakdown for shared plant. The exact scope varies by policy, insurer and the nature of the scheme.

What does commercial strata insurance not cover?

Commercial strata insurance does not cover the individual business operations, contents or fit-outs of individual lot owners or tenants within their lots. Business interruption for individual tenants is also generally not covered by the strata policy. Wear and tear and gradual deterioration are excluded. Conditions and exclusions vary by policy and state.

What is the difference between commercial strata insurance and residential strata insurance?

Commercial strata insurance covers strata-titled commercial properties such as office buildings, retail complexes and industrial units. Residential strata insurance covers strata-titled residential apartment buildings. Commercial strata properties carry a more complex risk profile due to the variety of business activities carried out by tenants. Tenant mix, occupancy type and commercial use of individual lots are all factors that insurers assess when quoting commercial strata risks, and that can affect the availability and cost of cover.

What is the difference between commercial strata insurance and commercial property insurance?

Commercial property insurance is typically arranged by a single building owner who holds the property on a single title. Commercial strata insurance is arranged by an owners corporation covering a building that is strata-titled, where individual lots are owned by separate parties. The owners corporation in a strata scheme has distinct legal responsibilities and a collective insurable interest that is addressed through the strata policy rather than a standard commercial property policy.

How does tenant mix affect commercial strata insurance?

The mix of tenants and business activities in a commercial strata building is a significant underwriting factor. A building with a restaurant, medical clinic, beauty salon or other higher-risk occupation presents a different risk profile than a building occupied entirely by professional services businesses. Insurers assess the occupancy mix when quoting commercial strata risks, and changes in tenancy during the policy period should be disclosed to us. Get in touch when a new high-risk tenant is proposed for the building.

How much does commercial strata insurance cost in Australia?

Commercial strata insurance premiums vary significantly depending on the building sum insured, the number of lots, the tenant mix, the building type and age, the location and the claims history of the scheme. Smaller commercial strata schemes can generally attract premiums from around $3,000 to $10,000 per year. Larger buildings with complex tenant mixes or in high-risk locations can attract premiums from $10,000 to $20,000+ per year. These are general market ranges only. An accurate premium requires an underwriter assessment of your specific scheme.

How much can a commercial strata insurance claim cost?

Commercial strata claims can be very large. A fire in a commercial strata building can result in significant structural damage across the entire building, affecting multiple lot owners and their tenants. Building repair costs can run into millions of dollars for larger or more complex commercial buildings. Without adequate insurance and an appropriate building sum insured, a major loss could leave the owners corporation and individual lot owners facing a significant uninsured shortfall.

What is underinsurance in a commercial strata scheme?

Underinsurance occurs when the building sum insured is less than the actual cost to fully rebuild the structure following a total loss. For commercial buildings, rebuild costs can differ substantially from market values due to complex building specifications, fit-out elements in common areas and the cost of commercial construction compared to residential. Building construction costs have risen significantly in Australia in recent years. An owners corporation should review the adequacy of its building sum insured at each renewal and consider obtaining a current valuation.

What information does a strata committee need to provide to get a commercial strata quote?

Insurers typically ask for the scheme address, number and type of commercial lots, the current tenant mix and business types, the building type, age and construction, the total floor area, the current building sum insured, details of common facilities and plant, the claims history of the scheme for the past three to five years and the current policy expiry date. When you get in touch, we will guide you through what we need and can review your current policy against the market.

What should a commercial strata committee do if a major claim occurs?

Notify us as soon as possible after an event. For major structural damage, the insurer may appoint a loss adjuster to assess the scope of damage before authorising repair works. Do not authorise significant repairs or remove damaged materials without first consulting us. We will be actively involved throughout the claims process to ensure the owners corporation's interests are properly represented.

Can a commercial strata scheme get insurance if it has had previous claims?

A prior claims history does not necessarily prevent a commercial strata scheme from obtaining insurance. We have access to specialist commercial strata underwriters who assess schemes individually and may still offer terms where standard insurers are reluctant. Get in touch and we can identify underwriters with genuine appetite for schemes with a claims history and present the steps taken to manage risk since prior claims.

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General Advice Only

The information on this page is general in nature. It does not take into account your individual objectives, financial situation or specific needs and is not personal advice. Before acting on any of this information, consider whether it is appropriate for your circumstances and read the relevant Product Disclosure Statement before making any decision to purchase an insurance policy. If you need advice tailored to your situation, speak with a Cipher Insurance broker directly.

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