A quote such as A$70,000 a year for home insurance is extreme, but it can happen when an insurer prices a property as very high risk or effectively signals that it does not want to insure that risk on ordinary terms. For Brisbane homeowners, the main drivers are usually flood, storm, landslip, bushfire exposure, rebuilding costs, claims history, property condition, and the chosen sum insured. Treat a shock quote as a reason to investigate, not as proof that every insurer will charge the same amount.

Why Brisbane Quotes Can Jump So Sharply

Home insurance is risk priced. Two similar houses in the same suburb can attract very different premiums if one sits lower in a flood catchment, has previous claims, uses harder to replace materials, or needs a higher sum insured.

According to ASIC MoneySmart, home insurance generally covers the cost of repairing or rebuilding the building, and homeowners should compare the premium, excess, exclusions, legal liability cover and any extended cover before deciding (MoneySmart, 2026). In Brisbane, the most sensitive issue is often water damage. Flood, stormwater runoff, actions of the sea and gradual water damage are not always treated the same way, so the wording matters.

A high premium can also reflect rebuilding inflation. If labour, materials, demolition, debris removal, temporary accommodation and professional fees rise, the sum insured may need to rise too. That protects against underinsurance, but it can lift the premium.

What To Check Before You Accept The Quote

Start with the Product Disclosure Statement (PDS), the Target Market Determination (TMD), and the Key Facts Sheet if provided. Confirm exactly what is covered for flood, storm, rainwater runoff, fire, theft, accidental damage, temporary accommodation and legal liability.

MoneySmart says flood, storm and fire cover can differ by policy, and exclusions or limits may apply even where the event appears to be included (MoneySmart, 2026). Do not rely on the word “flood” in a quote screen alone. Read the definition in the PDS.

Then test the sum insured. The Insurance Council of Australia notes that sum insured is the maximum value of the policy and that calculators can help estimate rebuilding or contents replacement costs (Insurance Council of Australia, 2026). A calculator is only a guide, but it can show whether your insured amount is obviously too low or unusually high.

Read also: Why Home Insurance Premiums Are Rising in Australia

Also compare excess options. A higher excess may reduce the premium, but only choose one you could realistically pay after a claim.

When To Challenge Or Escalate

Ask the insurer or broker for the rating factors behind the quote. They may not disclose the full pricing model, but they can often explain whether flood mapping, claims history, building age, roof type, slope, rebuild cost or postcode risk is driving the premium.

Get quotes from several insurers, because risk appetite varies. Some insurers may decline or price heavily in one location while another offers cover with different limits, exclusions or excesses.

If you believe an insurer has mishandled your policy, claim or complaint, use its internal dispute resolution process first. AFCA explains that consumers can make a complaint to AFCA after giving the financial firm a chance to resolve it (AFCA, 2026). AFCA is not a price comparison service, but it can consider eligible disputes about insurance conduct.

Bottom Line

A Brisbane homeowner facing a very high annual premium should not cancel cover in panic. Check the PDS and TMD, confirm flood and storm definitions, review the sum insured, compare multiple insurers, and ask whether mitigation work, a different excess or updated property information could change the quote.

General advice warning: This article is general information only and does not take into account your objectives, financial situation or needs. Before acting on it, consider whether it is appropriate for you, read the relevant PDS and TMD, and consider obtaining personal advice from a licensed adviser. Cover, exclusions and availability vary by insurer and by state or territory. For legal or tax questions, speak with a solicitor or registered tax agent.