Home insurance is something most of us set and forget — until we need to make a claim. At that point, the gap between what you assumed was covered and what your policy actually covers can come as an unpleasant surprise. Understanding your coverage before a crisis hits puts you in a much stronger position.
What Is Typically Covered
Most comprehensive home insurance policies in Australia — sometimes called "home building insurance" — cover sudden and accidental damage from specified events. While every policy differs, the following are standard inclusions across most major Australian insurers:
- •Storm damage — wind, hail, rain, and lightning causing damage to the structure of your home.
- •Fire and smoke damage — including bushfire, house fires, and damage from a neighbour's fire.
- •Water damage — burst pipes, leaking appliances, and rainwater entering through storm-damaged areas.
- •Impact damage — a vehicle or falling tree striking your home.
- •Theft and attempted theft — damage to the building caused during a break-in.
- •Malicious damage and vandalism.
- •Earthquake damage (often included as standard in Victoria).
Contents insurance, which is often bundled with building insurance, covers your personal belongings — furniture, electronics, clothing, appliances — against similar events. Some policies also cover items temporarily removed from the home, such as a laptop taken to work.
Common Exclusions That Catch People Out
Insurance policies are contracts, and like all contracts, the detail matters. The following exclusions are common across the Australian market and frequently misunderstood:
Gradual Deterioration and Wear
If your roof has been leaking slowly for months, or if rising damp has been creeping up your walls over years, that is not a sudden event — it is maintenance. Insurers exclude damage caused by gradual deterioration, wear and tear, and lack of maintenance. The logic is that these are foreseeable issues the homeowner is responsible for managing.
Pre-Existing Damage
Damage that existed before you took out the policy, or before the specific event you are claiming for, is excluded. This is why documentation matters — if a storm worsens pre-existing roof damage, the insurer will only cover the additional damage caused by the storm, not the pre-existing condition.
Flood vs. Stormwater — The Critical Distinction
This is one of the most misunderstood areas in Australian home insurance. Stormwater damage — rain entering through a damaged roof, or overflowing gutters causing water ingress — is typically covered under storm damage provisions. Flood damage — where external water from a river, creek, or overland flow enters your property — is a separate peril that may or may not be included in your policy.
After the 2010-11 Queensland and Victorian floods, the Australian Government standardised the definition of "flood" in insurance policies. Check your PDS for whether flood is included, excluded, or available as an optional extra. If you live in a flood-prone area, this distinction could be worth thousands.
Understanding Your Excess
Your excess is the amount you pay out of pocket before the insurer covers the remainder. It serves two purposes: it reduces the cost of premiums and discourages minor claims that cost more to process than to pay.
- •Basic excess — the standard amount set out in your policy, usually between $500 and $1,000.
- •Voluntary excess — an additional amount you choose to pay in exchange for lower premiums.
- •Imposed excess — an extra amount the insurer applies based on risk factors, such as the age of the property or its location in a high-risk area.
- •Event-specific excess — some policies apply a higher excess for certain events, like flood or cyclone damage.
Your total excess for a claim is the sum of all applicable excess amounts. For example, if you have a $500 basic excess, a $250 voluntary excess, and a $500 flood excess, you would pay $1,250 before the insurer contributes anything.
Is Your Sum Insured Adequate?
The sum insured is the maximum amount your insurer will pay to rebuild or repair your home. If your sum insured is too low — a situation known as underinsurance — you may be left with a significant shortfall if your home is severely damaged or destroyed.
The Insurance Council of Australia estimates that a significant proportion of Australian homeowners are underinsured. Construction costs have risen substantially in recent years, and a sum insured that was adequate five years ago may no longer cover a complete rebuild at today's prices. Review your sum insured annually, and consider using a reputable building cost calculator to estimate current replacement costs.
Practical Steps to Protect Yourself
- •Read your Product Disclosure Statement (PDS) — not just the summary, but the full document including exclusions.
- •Review your policy annually, particularly your sum insured, and update it to reflect any renovations or improvements.
- •Maintain your property — a well-maintained home is less likely to experience preventable damage that falls outside coverage.
- •Document your belongings with photos or video for contents claims.
- •Ask your insurer specific questions if you are unsure about coverage — get answers in writing.
Insurance is not a substitute for home maintenance, and it does not cover everything. But a well-chosen, well-understood policy is a critical safety net. Take the time to understand yours — before you need it.

