5 Common Reasons Home Insurance Claims Get Rejected and How to Avoid Them
- Declan Robinson

- 6 hours ago
- 5 min read

When a home insurance claim is rejected, most policyholders assume the insurer’s decision is final.
In reality, many claim denials arise from disputes over policy interpretation, causation, maintenance obligations, or the quality of evidence provided during the claims process. For homeowners, strata bodies corporate, and commercial property owners, these disputes can expose significant financial risk, particularly when the loss involves major structural damage, water ingress, storm impacts, or high-value assets.
The issue is becoming more common. Australian Financial Complaints Authority (AFCA) claim denials increased by 32% in 2025, while claim handling delays became the single most complained-about issue across the Australian financial services sector.
At the same time, ASIC's review of more than 218,000 home insurance claims found widespread opportunities for insurers to improve communication, complaint handling, project management, and claims assessment practices.
This reveals an important reality: claim outcomes are not always straightforward, and a rejection should not automatically be accepted as correct.
Understanding why claims are rejected is the first step towards protecting your position.
1. Wear and Tear, Maintenance, and Gradual Deterioration
One of the most common reasons a home insurance claim is rejected in Australia is the insurer determining that damage resulted from poor maintenance, wear and tear, or gradual deterioration.
Insurance policies are generally designed to respond to sudden and unforeseen events. If an insurer concludes that a roof leak developed over many years, a waterproofing membrane deteriorated gradually, or gutters were not adequately maintained, they may argue that the damage was preventable and therefore excluded.
The challenge is that insurers frequently focus on the condition of the property after the loss rather than analysing what actually caused the damage.
How to avoid it
Maintain records of inspections, repairs, and routine maintenance. If a claim involves structural damage, engage independent experts who can assess the true cause of loss rather than relying solely on insurer-appointed consultants.
Where a storm, flood, or other insured event triggered the damage, a detailed structural technical causation assessment may demonstrate that the insured event was the dominant cause of loss.
2. Inability to Prove the Cause and Extent of Loss
Many claims are delayed, reduced, or rejected because the insurer believes there is insufficient evidence to establish what caused the damage or the full extent of the loss.
This is particularly common in water damage, storm damage, and structural claims where multiple factors may be involved. Insurers may argue that damage resulted from an excluded cause, such as gradual deterioration, rather than a sudden insured event.
Without clear documentation, repair scopes, or expert evidence, policyholders can find it difficult to challenge these conclusions.
How to avoid it
Gather evidence as early as possible. Photographs, contractor reports, maintenance records, and expert assessments can help establish both the cause of the damage and the value of the loss.
For larger or more complex claims, claim preparation services and independent structural technical causation analysis can strengthen your position and help ensure the claim is assessed on the facts rather than assumptions.
3. Defective Workmanship, Design, or Construction
Many property owners are surprised to discover that insurance policies often exclude losses arising from defective design, faulty workmanship, or construction defects.
Following a storm or water damage event, insurers may investigate whether a building component failed because of poor construction rather than the insured event itself.
For strata properties and higher-value homes, this frequently becomes a technical dispute involving engineers, builders, and consultants.
How to avoid it
A rejection based on defective workmanship does not necessarily mean the entire claim should fail.
Many policies distinguish between the defective component itself and the resulting damage caused to other parts of the property. Understanding these distinctions requires careful policy interpretation and detailed technical analysis.
Where substantial losses are involved, an independent expert review is often necessary to determine whether the insurer's position is sustainable.
4. Non-Disclosure or Changes to Risk
Insurance contracts rely heavily on accurate disclosure.
If a property's use changes significantly, insurers may argue that they were not provided with information necessary to properly assess the risk.
Examples may include:
Significant renovations or extensions
Long-term vacancy
Commercial use of residential premises
Changes to tenancy arrangements
Structural modifications
Where an insurer believes material information was not disclosed, they may seek to reduce or deny a claim.
How to avoid it
Treat insurance as a dynamic arrangement rather than a document that remains unchanged for years.
Whenever significant changes occur to the property, notify your broker or insurer and retain records of those communications.
5. Misunderstanding Policy Coverage
One of the most common causes of claim disputes is a misunderstanding of what a policy actually covers.
With home insurance premiums increasing by approximately 50% across Australia over the past five years, many property owners are reviewing cover to manage costs. However, policyholders are often provided with limited information about how coverage differs between policies, what exclusions apply, and how certain risks are assessed.
This can create a gap between expectation and reality. A policyholder may believe they are covered for a particular event, only to discover after a loss occurs that an exclusion, limitation, or optional extension applies.
How to avoid it
Review policy wordings regularly and do not rely solely on renewal summaries or premium comparisons.
A detailed policy interpretation review can identify potential gaps in cover and ensure your policy remains aligned with the property's risk profile and replacement exposure.
What to Do if Your Home Insurance Claim Is Rejected
A claim rejection should not automatically be viewed as the end of the process.
Insurers are required to provide reasons for their decision, and policyholders have access to formal dispute pathways where those decisions can be challenged.
A structured response typically involves:
Step 1: Obtain the insurer's written reasons
Request all reports, assessments, and supporting documents relied upon by the insurer.
Step 2: Conduct an independent review
Assess the insurer's position against the policy wording, technical evidence, and available documentation.
Step 3: Lodge an Internal Dispute Resolution (IDR) request
Every insurer must maintain an Internal Dispute Resolution (IDR) process that allows policyholders to challenge decisions.
Step 4: Escalate to AFCA if necessary
If the matter remains unresolved, an AFCA dispute may provide an independent review of the insurer's decision.
Many successful disputes ultimately hinge on expert evidence, policy interpretation, and the ability to demonstrate that the insurer's assessment was incomplete or technically flawed.
Has Your Claim Been Rejected?
A claim rejection does not always mean the insurer's decision is correct.
Technical causation, evidence quality, policy interpretation, and strategic claim preparation can all influence the outcome of a disputed claim, particularly where substantial property losses are involved.
At Pharos Loss Management, we assist homeowners, strata bodies corporate, and commercial property owners with claim preparation services, technical causation analysis, and dispute advocacy when claims are delayed, disputed, or denied.
If your home insurance claim has been rejected or you are considering an AFCA dispute, reach out for a confidential discussion about your options.
Pharos Loss Management
+61 478 087 092




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