Fire Insurance for a Commercial Building: What Covers Fire, and What Doesn't
Do I need to buy separate fire insurance for my commercial building?
Quick answerNo. Fire is a core insured event inside commercial building insurance, not a separate policy you bolt on. The standalone "fire policy" is largely a thing of the past. What matters today is how your policy is structured, what fire damage it responds to, and whether the sum insured behind it could actually rebuild your building.
Fire is the peril this whole class of insurance was built around, and it is still the one that does the most expensive damage when it arrives. If you own a commercial building and you are searching for fire insurance, the honest answer from Consolidated Insurance Brokers is that you are really shopping for commercial building insurance with the fire cover done properly. This page explains what that means: how fire cover actually works inside a modern policy, the pieces around the building itself that owners forget, and the number that quietly decides whether a fire claim makes you whole or leaves you short.
How does fire cover work inside a commercial building policy?
Quick answerYour policy either lists fire as a named event, a defined events policy, or covers any sudden accidental damage unless excluded, an accidental damage policy. Fire is covered under both structures. The difference matters most for everything that is not fire, which is why the structure is worth knowing anyway.
A defined events policy only pays when the cause of loss matches a peril actually named in the wording, and fire sits at the top of that list, alongside storm, impact and theft. An accidental damage policy asks a different question: was the damage sudden and accidental? Fire claims are usually clean under either structure, because a fire is about as unambiguous as an insured event gets.
So for fire specifically, the structure rarely decides the claim. What decides a fire claim is almost always elsewhere: what the policy defines as the building, what sits in the exclusions, and above all the sum insured. The plain-English definitions of both structures are in the glossary if you want the general version.
What the building section responds to after a fire: the structure, permanent fixtures and fittings, and external improvements, repaired or rebuilt after the event. What it does not cover: your contents and stock, a tenant's property, and the income you lose while the building is out of action. Those are separate covers, and a fire is precisely the event where all of them get tested at once.
What does a fire actually cost a building owner beyond the building?
Quick answerThe building is usually only part of the loss. A serious fire also stops the rent or the trading income, can destroy contents, stock and equipment that were never in the building sum insured, and can reach the neighbours, which is where the liability section earns its keep.
Think through a real fire rather than a hypothetical one:
The income stops. If tenants cannot occupy the building, the rent stops with them. Loss of rent cover exists for exactly this, priced against your real rental figure and an indemnity period long enough to actually rebuild. If you trade from the building yourself, the equivalent is business interruption cover, and after a major fire it can be worth more than the building claim.
The contents were never the building's problem. Fitout, equipment and stock belong to their own sums insured, and after a fire is the wrong time to discover which ones were set to zero. If you lease the building out, this is mostly your tenants' exposure. If you occupy it, it is yours, and the business pack is where it lives.
The fire does not respect your title boundary. Fire spreading to a neighbouring property is one of the classic ways a building owner ends up defending a claim. That is the liability section's job, and it is a cover property owners carry in their own name, not something to assume a tenant's policy handles.
Why do fire claims go wrong for building owners?
Quick answerAlmost never because fire was not covered. Fire claims go wrong on the number, not the peril: a sum insured set years ago that cannot rebuild the building at today's costs. On a partial loss, underinsurance can scale the payout down. On a total loss, the policy pays the full sum insured and the shortfall to the true rebuild cost is yours.
A serious fire is the event most likely to produce a total loss, which makes it the event where an accurate sum insured matters most. Insure a building for what it would have cost to rebuild five years ago and the policy will perform exactly as written: it will pay a number that can no longer buy the building back. The two ways underinsurance bites, the partial-loss scale-down under the co-insurance clause and the total-loss shortfall, work differently, and the co-insurance clause explained walks through the maths properly.
The fix is not guesswork, it is a professional number: we commission a desktop building replacement valuation at no cost to you, carried out by a registered valuer, commissioned for our purposes as your broker, to inform the advice we give you.
The other place fire shows up in your policy is the premium. What your building is made of is one of the biggest fire-pricing factors there is, and expanded polystyrene panel is the standout: once EPS or sandwich panel makes up 20% or more of a building's floor area, most mainstream insurers decline to quote and the risk belongs to specialist markets that do not advertise. If that is your building, the difference between a workable premium and no quote at all is a broker who knows which specialist to ring.
What should I do if a fire happens at my building?
Quick answerMake the site safe if you can do so safely, photograph everything from several angles before anything is moved, and call your broker before you clean up, dispose of anything or book permanent repairs. That first hour of evidence is worth more to your claim than anything else that day.
The full step-by-step, including what not to sign and when the insurer's assessor gets involved, is on our claims page. The short version is that a fire scene is evidence, and well-meaning tidying is the most common way good claims get harder than they needed to be.
Have your building's fire cover properly reviewed
Or call us on 07 3292 1111 and ask the one question that matters: could my sum insured actually rebuild this building today?
FAQ
Does fire cover include the rent I lose while the building is rebuilt?
Not under the building section. Lost rent is its own cover, usually called loss of rent, priced against your real rental income and an indemnity period you choose. After a serious fire the rebuild can take well over a year, which is why we default that period to 18 months and recommend 24 wherever we can; a 12-month floor only ever happens on a client's instruction.
What if the fire starts in a neighbouring property?
Your building policy responds to fire damage to your building regardless of where the fire started; the insurers sort out recovery between themselves afterwards. Your part is the claim itself, including any excess that applies. The reverse case is the one owners forget: a fire that starts in your building and spreads next door is a liability exposure, which is why property owners carry their own liability cover rather than relying on a tenant's policy.
Does EPS panel construction affect fire insurance for a commercial building?
Significantly. EPS and sandwich panel construction change both the price and the availability of cover: most mainstream insurers stop quoting once EPS makes up 20% or more of the floor area, and the market that remains is a specialist one that does not advertise. Plenty of owners do not know EPS is in their building until a surveyor finds it, which is a discovery better made at renewal than at claim time.
Related reading
- Commercial building insurance: the full cover, of which fire is the headline peril.
- Business interruption insurance, explained properly: the income side of a fire, for owner-occupiers.
- Property owners liability insurance: when the fire, or the lawsuit, crosses the boundary.
- The co-insurance clause explained: the maths that decides a partial fire claim.
- Desktop building replacement valuation: the professional number a fire claim depends on.
- Industrial building insurance: fire pricing where construction type dominates, EPS especially.
- Claims: what to do in the first hour, and what not to.