The top 10 Australian locations at highest flood and bushfire risk

More extreme weather events are affecting property values and home insurance costs, with a new report highlighting the impact of bushfire, riverine flooding and coastal erosion risk on homes and the need for buyers to assess disaster risk in their purchasing processes.

The 2024 Perils Report from Domain Research has found there is a direct relationship between the value of a home and its susceptibility to natural disasters. It revealed that 5.6 million Australian homes are at risk of bushfire — almost half of the entire residential housing stock. More than 32,000 homes, or 0.3 percent of stock, have high bushfire risk ratings. The researchers estimate that a home’s value decreases by 2 percent with every increase in its bushfire rating.

The report also found that 953,000 homes, or 8.1 percent of housing stock, face flood risk. Almost 141,000 homes have a high risk, and for every percentage point increase in the risk of a 50-centimetre flood, a property’s value drops by 0.8 percent. About 160,000 homes are within 150 metres of the coastline, and about one in 10 are at risk of erosion. However, the report finds there is no significant price impact given buyers place a high priority on waterside locations and views.

“This report is almost like a snapshot in time, looking at what is that landscape currently today, but we know that these natural disasters are escalating because of climate change,” said Domain chief of research and economics, Dr Nicola Powell. “The impacts in the future could [be] greater, impacting more homes and communities.”

Domain Research said evaluating a property’s risk is increasingly important for buyers. Home purchasers can access information from local councils and state governments, and some information may be included in the contract of sale. Buyers can also pay for a risk report to be done.

A recent report by the National Housing Supply and Affordability Council described climate change as an ‘emerging trend’ affecting values and insurance costs. “The price differential between flood-affected and non-flood affected homes has been estimated to be up to 35 percent a year after a flooding event,” the report said. “Furthermore, the RBA estimates around 7.5 percent of properties are in areas that could experience price falls of at least 5 percent due to climate change by 2050.”

The report said more than one million households are struggling to afford home insurance today, and more homes are uninsured as a result. The Insurance Council of Australia (ICA) says premiums are rising due to the impact of more severe natural disasters and a significant increase in construction costs that have gone well above the rate of inflation, making repairs more expensive.

The ICA said four declared insurance events in 2022 alone resulted in 302,000 claims costing $7.28 billion in insured losses. Six billion was from a single event – the Northern NSW and South-East Queensland floods – which was the second costliest insured event in the world that year and the costliest insured event in Australia’s history.

ICA CEO Andrew Hall says governments at all levels need to invest in more protection measures to mitigate the impact of extreme weather, thereby helping to keep insurance premiums lower.

“Governments must also amend land use planning legislation to include a mandatory requirement for planning approvals to consider property and community resilience to extreme weather, and improve building codes so future homes are made more resilient,” Mr Hall said.

Top 10 areas with the highest chance of a 50cm flood per year

1 Ballina NSW 3.9 percent

2 Tweed Heads South NSW 3.7 percent

3 Grafton NSW 2.7 percent

4 Coonamble NSW 2.3 percent

5 Tweed Heads NSW 2.2 percent

6 York-Beverley WA 1.9 percent

7 Maclean-Yamba-Iluka NSW 1.9 percent

8 Lismore NSW 1.8 percent

9 Tingalpa QLD 1.7 percent

10 Far South West QLD 1.6 percent

Source: Domain Research

Top 10 areas with the highest bushfire risk (out of 10) per year

1 Upper Yarra Valley VIC 7.7

2 Ashendon-Lesley WA 5.5

3 Mount Dandenong-Olinda VIC 5.4

4 Ettrema-Sassafras-Budawang NSW 4.6

5 Mount Wellington TAS 4.3

6 Glen Forrest-Darlington WA 4.0

7 Bilpin-Colo-St Albans NSW 3.9

8 Calga-Kulnura NSW 3.9

9 Deua-Wadbilliga NSW 3.9

10 Belgrave-Selby VIC 3.8

Source: Domain Research

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The top 10 Australian locations at highest flood and bushfire risk

A new report finds higher flood and bushfire property premiums are leaving more homeowners and investors struggling to insure their assets

Atlas Real Estate is reimagining how people connect with property, combining listings, market insights, local stories and lifestyle content in one destination for those buying, selling or simply exploring the market.