Category: Climate perils · Reviewed by Tim Roche, Director · PI & Commercial · Last reviewed 2026-06-10
Hail damage is a covered peril within UK household, commercial property and motor insurance policies, typically subsumed within the storm peril or named explicitly alongside storm, with the historically modest UK hail exposure now under upward pressure from increased convective storm activity projected by UK Climate Projections 2018.
Category: Climate perils Also known as: Hailstorm cover, Hail insurance, Convective storm hail Typical UK market form: Named peril alongside storm in property and motor wordings Related concepts: Storm damage insurance, Motor insurance, Property insurance
Hail is precipitation in the form of solid ice particles, formed in strong convective updrafts where supercooled water freezes on a nucleus and accumulates layers of ice as it cycles through the cloud. Hailstones reach the ground when they grow heavy enough to overcome the updraft. The diameter of hailstones is the principal determinant of damage potential, ranging from pea-sized (5 mm), through golf-ball-sized (45 mm), to tennis-ball-sized (65 mm) and beyond. Damaging hail in the United Kingdom is rare in international terms but does occur, predominantly in the months of May to August during severe convective storm episodes.
In the UK insurance market, hail is typically named alongside storm in property and motor policy wordings, and is also commonly treated as one of the meteorological conditions that may accompany the broader storm peril. The peril manifests as roof damage (tiles, slates, photovoltaic panels, rooflights), glazing damage, vehicle bodywork damage, agricultural crop damage and damage to outdoor goods (signage, vehicles in storage, garden furniture, marine craft).
The Met Office State of the UK Climate report (Kendon et al, International Journal of Climatology, 2024) records the UK as a comparatively low-hail-frequency country, with occasional severe events. UK Climate Projections 2018 (UKCP18) project an increase in the frequency and intensity of summer convective storms by mid-century under all plausible emissions pathways, with corresponding upward trajectory in the conditions favourable to large hail formation. Recent international research from the European Severe Storms Laboratory (ESSL) supports a continuing trend of increased severe hail across north-west Europe.
Notable UK hail events include the 9 August 2004 storm which produced large hail across Bedfordshire and adjacent counties, and the 28 June 2012 storm which produced widespread hail damage across Leicestershire. ABI quarterly weather claims data does not separately report hail, but combined storm-and-hail loss reporting indicates that hail represents a small but non-trivial proportion of UK convective storm claim volumes. Comparison with continental European markets (notably Germany, France and northern Italy) — where insured hail loss can reach into the billions of euro in a single season — provides context for the UK’s relatively modest current exposure.
UK household buildings and contents policies and commercial property all-risks (PAR) wordings cover hail damage either as a named peril or implicitly within the storm peril. Cover ordinarily extends to physical damage to roof coverings, glazing, rooflights, photovoltaic installations, external cladding, signage, vehicles in storage and outdoor goods, together with consequential business interruption loss. Motor insurance comprehensive cover responds to vehicle bodywork and glazing damage caused by hail.
Standard exclusions and limitations of relevance include: damage to property in the open in respect of certain commercial wordings (subject to extension); damage to agricultural crops, which is excluded from standard property cover and addressed under specialist crop insurance; pre-existing damage and gradual deterioration; and damage attributable to defective installation of roof coverings. Glazing damage is typically a sub-limited extension in commercial property and may carry a separate excess. Photovoltaic panels are a growing concern given the expansion of installed capacity on UK commercial and domestic roofs.
For high-value or exposed commercial assets — particularly large solar farms, glasshouse horticulture, automotive storage yards and agricultural operations — bespoke standalone hail cover and parametric hail products are available in the London Market and specialist European markets. Parametric triggers are typically calibrated against radar-derived maximum expected hail size (MESH) data within a stated polygon, with settlement on confirmation of the trigger rather than proof of indemnity loss.
There is no statutory hail insurance scheme in the UK. The wider regulatory context comprises the same building, structural design and electrical standards relevant to other climate perils: BS EN 1991-1-3 (snow loading) and BS EN 1991-1-4 (wind loading) under the Eurocodes, Building Regulations 2010, and the relevant photovoltaic installation standards (MCS-002 and BS 7671). Agricultural crop hail insurance is a specialist line written by a small number of European-domiciled insurers and managing general agents, with UK distribution through specialist brokers.
In the commercial market, hail accumulation is generally modelled as a sub-component of European convective storm exposure rather than as a discrete UK peril. The expansion of UK ground-mounted and rooftop solar capacity has prompted insurer attention to hail risk on photovoltaic installations, with capacity providers increasingly applying hail-specific warranties and sub-limits on large solar projects.
Commercial occupiers and asset owners with material hail exposure — particularly solar farm operators, glasshouse horticulture, automotive storage and forecourt operations, and large car dealerships — should review their policy wordings for hail-specific sub-limits, excesses and warranties. Solar projects should ensure that the chosen module specification is appropriate to the expected UK hail climate and that installation has been undertaken in accordance with the relevant MCS standards.
Brokers should consider parametric hail layers calibrated against MESH radar data for revenue-sensitive operations correlated with severe convective storm activity, particularly where indemnity wordings carry low sub-limits on glazing, outdoor goods or photovoltaic equipment.
The hailstorm of 9 August 2004 produced large hail across Bedfordshire, Hertfordshire and adjacent counties, with associated property and motor damage claims reported by ABI member insurers. The 28 June 2012 hailstorm across Leicestershire produced further significant damage. While neither event approached the scale of European reference hail losses, they illustrate the UK’s intermittent exposure to severe convective storm hail and the appropriateness of specific market attention to hail-sensitive asset classes as solar capacity and high-value outdoor goods stocks continue to grow.
This entry is part of the Apex Insurance Wiki. Last reviewed by Matt Bartlett on 2026-06-10. Next review: 2026-12-10.
Apex Insurance Brokers Limited. Authorised and regulated by the Financial Conduct Authority, FRN 724952. Registered in England and Wales, Companies House 07014570. This entry provides general information about UK insurance concepts and is not regulated advice. Consult your insurance broker on your specific position.
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