📮 Granville postcode: 2142

Storm Risk in Granville, NSW: 2026 Assessment

Granville, New South Wales· City of Parramatta· 2142
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging windsUpdated 9 Mar 2026

Storm Risk Score

3.9/10

Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds

Key Facts

Storm Risk
Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
Trend
stable
Suburb
Granville, NSW
Overall Risk
Medium
Postcode
1783
Region
Regional
Median property value
$500,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
18% of land (bushfire)

Storm Risk Analysis

Granville, New South Wales, has a moderate storm risk profile. This includes exposure to severe thunderstorms, hail, damaging winds, and — in tropical regions — cyclone impacts. The applicable wind region classification under AS/NZS 1170.2 influences building design standards for Granville.

Severe thunderstorms affecting Granville can produce damaging wind gusts, large hail, and intense rainfall. The Bureau of Meteorology issues severe weather warnings for New South Wales, and historical storm data helps characterise the frequency and intensity of events in the region.

CSIRO research indicates that the intensity of severe convective storms — including those producing hail and damaging winds — may increase in a warming climate. For Granville property owners, this reinforces the value of storm-resistant building features and comprehensive insurance.

ClimateNest provides address-level storm risk reports for Granville including wind zone classification, hail risk probability, and property-specific mitigation recommendations based on your building characteristics.

Granville sits within ClimateNest's suburb-level hazard model for severe storm risk. 0% of the suburb's land area is mapped in high-risk severe storm zones and 74.8% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Granville.

On ClimateNest's 0–10 suburb hazard index, Granville scores 4 for severe storm risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Granville can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Granville located in Regional (postcode 1783), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $500,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Granville.

Across the six hazard axes ClimateNest models, the dominant climate risk in Granville is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Granville, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Granville are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Wind/Storm RegionNot directly exposed to sea level rise.
Storm Risk LevelNo significant erosion risk.
Distance to Coast25 km

Historical Events

2020
Minor

A severe thunderstorm caused localized flooding and power outages in Granville.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure improvements to mitigate flood risk, such as levees, drainage upgrades, and flood-proofing of buildings.

Est. cost: High

Develop a Heat Action Plan

Immediate

Implement a heat action plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.

Est. cost: Medium

Enhance Bushfire Preparedness

Long-term

Promote bushfire awareness and preparedness among residents, including clearing vegetation around homes and developing evacuation plans.

Est. cost: Low

Promote Water Conservation

Near-term

Encourage water conservation measures to reduce the strain on water resources during droughts and heatwaves.

Est. cost: Low

Council & Emergency Services

City of Parramatta
Emergency Services

Data last updated: 9 March 2026

Explore Granville Risk Reports

Frequently Asked Questions

Is Granville prone to hailstorms?

Hail risk in Granville depends on the frequency of severe thunderstorm activity in the New South Wales region. BOM tracks severe storm events including hail. Property-specific risk depends on roof design, building orientation, and local storm patterns.

What wind rating applies to buildings in Granville?

Under AS/NZS 1170.2, properties in Granville are assigned a wind region classification. This rating determines structural design requirements for new buildings. Check with ClimateNest or a structural engineer for your property's classification.

Does storm risk affect insurance premiums in Granville?

Yes, storm damage — including wind, hail, and rain ingress — is one of the most common insurance claims in Australia. Properties in higher wind zones or with greater hail exposure may face higher premiums or specific policy conditions.

What storm mitigation measures should Granville property owners consider?

Storm mitigation includes impact-resistant roofing, cyclone-rated fixings where required, window and door shutters, regular roof and gutter maintenance, securing outdoor items, and ensuring compliance with current wind load standards under the National Construction Code.

What are the main climate risks in Granville?

ClimateNest's suburb model rates Granville's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (4/10) and severe storm (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Granville.

What share of Granville is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 18% of Granville in high-risk zones for bushfire, with a further 65.2% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Granville Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Granville, New South Wales, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections