Investment Property
Block of Units
Insurance.
Cipher Insurance is a dedicated insurance broker helping Australian property investors arrange cover for non-strata blocks of units. Here is what it covers, what it costs and how we work.
What It Is
The straightforward version.
If you own a residential building with more than one dwelling held on a single non-strata title, from a duplex or triplex up to a larger block, a block of units policy is designed to cover the whole structure, the common areas and your liability as the sole owner in one policy.
Because a single event can affect every tenancy at once, insurers generally assess non-strata blocks as an aggregated risk. Larger buildings and higher rebuilding costs can mean a more selective specialist market, but cover is generally available across the full range of building sizes.
Talk to a BrokerWhat It Covers
A standard block of units policy generally covers the following. Exact scope varies by policy and insurer.
Common Examples
Situations where cover may be required.
The following are some common examples of situations where owners of non-strata blocks may hold this type of insurance. This is not an exhaustive list and requirements depend on your specific circumstances.
You own a non-strata building with more than one dwelling
Whether you own a duplex, triplex or a larger block, a dedicated block of units policy can bring the building, common areas and liability together under one policy rather than treating each dwelling separately.
A mainstream insurer has declined or non-renewed your block
Rising rebuilding costs and severe weather claims have made some mainstream insurers more selective about non-strata residential risk, particularly for larger buildings. A decline or non-renewal does not mean cover is unavailable through the specialist market.
You hold the building as a single investment asset
Where a non-strata block is held on one title rather than divided into separately titled lots, a block of units policy can bring the building, common areas and liability together under one structure rather than several standalone policies.
Cost
What does block of units insurance cost in Australia?
Block of units insurance premiums vary widely depending on the number of dwellings, the total building sum insured, the property location and construction and the scope of cover selected. A duplex or triplex can generally attract premiums from around $1,500 to $4,000 per year. Larger blocks with a building sum insured of $3 million or more can generally attract premiums from around $10,000 to $30,000 per year. Properties in cyclone, flood or bushfire prone regions may attract substantially higher premiums.
Because a single event can affect every tenancy in the building at once, an uninsured or underinsured loss can be severe. Building repair costs combined with a loss of rent claim across multiple tenancies can run into the millions for a larger structure.
These are general market ranges only. Every block is different and the only accurate figure is the one an underwriter produces after reviewing your specific property.
Get in TouchWhat drives your premium
Our specialist insurer panel
We work with a panel of specialist underwriters for non-strata block of units cover including SGUA, CHU, Hollard and Castle, with further capacity available for larger or more complex blocks that fall outside standard criteria.
How We Work
From enquiry
to settled claim.
Get in touch
Tell us about the property, the number of dwellings, the building sum insured you have in mind, the current tenancy arrangements and any recent insurer decisions.
We search the market
Cipher Insurance assesses your exposure and goes to our panel of specialist underwriters to identify suitable options on both coverage and price.
We bind your policy
Once you are 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 your cover, from first notification through to resolution.
Common Questions
Questions people ask us.
Every block is different. These answers reflect general market practice. Speak with a Cipher Insurance broker for guidance specific to your property and situation.
Information last reviewed: July 2026
What is block of units insurance?
Block of units insurance is designed to cover a residential building with more than one dwelling held on a single non-strata title, from a duplex or triplex up to a larger block. It brings the building structure, common areas and the owner's liability together under one policy.
What does block of units insurance not cover?
Block of units insurance does not cover tenants' personal contents. Wear and tear and gradual deterioration are generally excluded. Rent default claims commonly require a formal tenancy agreement to have been in place and the appropriate tenancy authority process to have been followed. Intentional damage by the owner is also excluded. Conditions and exclusions vary by policy.
Is block of units insurance mandatory in Australia?
There is no general law requiring owners of non-strata blocks to hold block of units insurance in Australia. Lenders may require building insurance as a condition of a commercial or investment property mortgage. Requirements vary by lender and loan structure.
Is block of units insurance the same as multi-dwelling landlord insurance?
Largely yes. Both terms are used in the Australian market to describe insurance for a non-strata residential building with more than one dwelling under a single title, and different insurers and brokers favour one term or the other. Get in touch and we can help identify the right policy and insurer for your specific building, whichever term you have seen used.
What is the difference between block of units insurance and strata insurance?
Strata insurance covers a building that is strata titled, where individual owners hold title to their lots and an owners corporation arranges and manages a collective building policy. Block of units insurance covers a building where a single owner holds the entire non-strata title and rents the individual dwellings to separate tenants. If your building is strata titled, the owners corporation is typically responsible for arranging strata insurance. If you own the whole building outright on one title, a block of units policy is generally the appropriate cover.
How much does block of units insurance cost in Australia?
The cost of block of units insurance varies widely depending on the number of dwellings, the total building sum insured, the property location and construction and the scope of cover selected. A duplex or triplex can generally attract premiums from around $1,500 to $4,000 per year. Larger blocks with a building sum insured of $3 million or more can generally attract premiums from around $10,000 to $30,000 per year. These are general market ranges only. An accurate premium requires an underwriter assessment of your specific property.
How much can a claim cost on a non-strata block of units?
Claims on a block of units can be significantly larger than on a single dwelling because a single event can affect every tenancy simultaneously. A fire or storm event that damages common structural elements may render the entire building uninhabitable, resulting in a large loss of rent claim across every tenancy combined with a substantial building repair cost. An uninsured claim of this nature could run into the millions for a larger building.
Do I need a different policy for a duplex compared to a larger block of units?
The policy structure is generally similar across a duplex, triplex or larger block. The main differences are the building sum insured, the premium and which insurers have appetite for the specific size and profile of the building. Get in touch and we can find suitable options regardless of how many dwellings are on the one title.
What counts as a non-strata unit block?
A non-strata unit block is a residential building with more than one dwelling, held under a single title and owned outright by one person, company or trust, rather than divided into separately titled lots under a strata plan. This includes company title buildings, where occupation rights sit with shares, and Torrens title buildings held on one registered title.
Does block of units insurance cover common areas?
Block of units policies generally include cover for common areas such as stairwells, driveways and car parks as part of the building cover. What is and is not included varies by policy. Get in touch and we can confirm what applies for your specific property.
Does block of units insurance cover loss of rent across the whole building?
A block of units policy with a loss of rent extension can generally respond to lost rental income across affected tenancies when the property becomes uninhabitable following a covered event. The policy typically responds based on the fair rental value of the affected dwellings and is subject to an indemnity period and a total limit. The conditions and limits vary by policy.
What information do I need to get a block of units insurance quote?
Insurers typically ask for the property address, type and year of construction, the number of dwellings, the total building sum insured, current tenancy arrangements and annual rental income, whether loss of rent and rent default cover is required, any recent claims or insurer decisions and any lender requirements. When you get in touch, we will guide you through what we need and present your risk to our specialist panel.
What should I do if I need to make a claim on a block of units?
Notify us as soon as possible after an incident. Document the damage thoroughly across all affected areas and dwellings with photographs. For tenant damage, retain the relevant tenancy documents for each affected tenancy. For loss of rent, document the rental income for each affected dwelling and the expected repair timeline. We will be actively involved throughout the claims process.
Can I get block of units insurance if I have been declined before?
A decline or non-renewal from a mainstream insurer does not mean cover is unavailable. We have access to specialist underwriters that actively write non-strata block risks. Get in touch and we can identify underwriters with genuine appetite for your property type and risk profile.
Related Covers
Other cover types to consider.
Landlord Insurance for Single Dwellings
Clear guidance on landlord insurance for single residential investment properties in Australia. What it covers, what it costs and how we arrange cover, by a dedicated broker.
Residential Strata Insurance
Clear guidance on residential strata insurance for owners corporations and body corporates in Australia. What it covers, what it costs and how we arrange it, by a dedicated broker.
Commercial Property Insurance
Clear guidance on commercial property insurance for Australian investors and landlords. What it covers, what it costs and how we arrange cover, by a dedicated insurance broker.
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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