How to Make a Business Interruption Insurance Claim in Ireland

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When fire, flood or storm damage forces your business to close its doors, the building repairs are only half the story. The lost trade, the wages you still have to pay and the customers who drift elsewhere can cost far more than the physical damage itself. Business interruption insurance exists to bridge that gap, yet it is one of the most misunderstood and most under-claimed covers in any commercial policy. This guide explains, in plain terms, how business interruption cover works in Ireland and how to make a claim that reflects the true financial harm your business has suffered.

What business interruption cover actually does

Business interruption (BI) cover is the part of a commercial policy that responds to the loss of income and the extra costs your business faces while it cannot trade normally. It is designed to put the business back into roughly the financial position it would have been in had the damage never happened. In short: your material damage cover rebuilds the premises and replaces the contents, while your BI cover protects the profit those premises would have earned during the disruption.

BI cover typically responds to three broad categories of financial harm: the gross profit you lose because you cannot trade as normal; the increased cost of working, meaning the extra money you spend to keep trading or to get back to trading sooner; and the fixed costs that continue to drain the business even while the tills are quiet. Understanding these three strands early is the key to building a claim that is complete rather than partial. For a fuller breakdown of the cover itself, see our business interruption insurance claim page.

The material damage proviso, explained simply

This is the single most important condition in most BI policies, and it catches many business owners off guard. The material damage proviso means that a BI claim can only succeed if there has first been physical damage to insured property that is itself covered under the policy. In other words, the interruption to your trade has to flow from an insured physical event such as a fire, an escape of water or storm damage. If the underlying physical damage is not covered, or the material damage section of the policy was not in force, the BI section usually cannot pay out either.

The practical consequence is that your BI claim and your property damage claim are joined at the hip. A weak or undervalued material damage claim can quietly undermine the BI claim that sits on top of it. This is why fire claims in particular need careful handling on both fronts at once; if your premises have suffered fire damage, our guide to a commercial fire damage claim explains how the property side is built so the interruption claim stands on solid ground.

The indemnity period: why too short is a costly mistake

The indemnity period is the maximum length of time for which your BI cover will pay, starting from the date of the damage. It might be 12 months, 18 months, 24 months or longer, depending on what was set when the policy was arranged. It is one of the most consequential numbers in the whole policy, and it is the one businesses most often get wrong.

Many owners assume that 12 months is plenty, reasoning that repairs will be finished well inside a year. The trouble is that the indemnity period has to cover far more than the repair works. It has to run long enough for your turnover to climb back to where it would have been. After a serious incident the timeline can stretch well beyond the obvious:

  • The time spent waiting for the claim to be agreed before works even begin.
  • The actual reinstatement of the building and refit of the premises.
  • Sourcing equipment, stock and replacement specialist fittings that may have long lead times.
  • The slow rebuild of trade once you reopen, as customers who went elsewhere gradually return.

If the indemnity period runs out before your trade has fully recovered, the shortfall comes out of your own pocket. It is worth reviewing this figure with someone who understands how long real recoveries take, ideally before any incident ever occurs.

How a business interruption loss is quantified

Quantifying a BI loss is where claims are won or lost, because the figure is not sitting ready-made in your accounts. It has to be constructed from your trading history, your projected performance and the specific impact of the incident. The calculation generally rests on three pillars.

Loss of gross profit

This is usually the largest element. It is the difference between the gross profit your business would have earned during the indemnity period and what it actually earned while disrupted. Crucially, the policy definition of gross profit is not always the same as the accountant’s definition, and getting that definition right has a direct effect on the size of the settlement.

Increased cost of working

These are the additional, reasonable costs you incur specifically to reduce the loss of gross profit, such as renting temporary premises, hiring replacement equipment or paying for extra advertising to keep customers engaged. Spent sensibly, these costs protect both your business and the insurer from a larger loss.

Continuing fixed costs

Rent, rates, loan repayments, insurance and core salaries do not stop just because trade has. Where these standing charges are insured, they form part of the claim. Hospitality and retail businesses in particular can carry heavy fixed costs; our restaurant insurance claim guidance looks at how these standing costs play out in a food business.

Protecting cash flow with interim payments

One of the most damaging things about an interruption is the cash flow squeeze. Money stops coming in while bills keep arriving, and businesses that were perfectly healthy can find themselves under real strain within weeks. You do not have to wait until the entire claim is settled to receive money.

Where liability for the claim is reasonably clear, it is normal to request interim or advance payments on account. These are partial payments made against the eventual settlement, intended to keep wages paid and the business alive while the full figure is being agreed. Securing these payments early, and at a sensible level, is often the difference between a business that survives the disruption and one that does not. A well-prepared claim, supported by clear documentation, makes the case for interim payments far stronger.

The step-by-step of making a BI claim

While every claim is different, the path through a business interruption claim tends to follow a recognisable sequence:

  1. Notify your insurer of the incident promptly and confirm the cover in place, including the indemnity period and any conditions.
  2. Take steps to mitigate the loss, keeping the business trading where it is safe and sensible to do so.
  3. Gather the financial evidence: accounts, management figures, trading records and projections that show what the business would have earned.
  4. Build the quantified loss across gross profit, increased cost of working and fixed costs.
  5. Request interim payments to protect cash flow while the claim progresses.
  6. Present and negotiate the claim with the insurer's loss adjuster until a full settlement is agreed.

Why BI claims are under-recovered, and how a loss assessor counters it

Business interruption claims are routinely settled for less than the policyholder was entitled to, and rarely because of bad faith. The reasons are usually structural. The policy wording is technical, the gross profit definition is easy to apply too narrowly, the indemnity period is misread, mitigation costs are overlooked, and the financial projections are based on flat historical figures rather than the growth the business was genuinely on track to deliver.

It is worth being clear about the structure of a claim. The insurer appoints a loss adjuster whose job is to assess the claim on the insurer's behalf and manage the payout. That is a legitimate professional role, but it sits on the other side of the table from you. A public loss assessor works only for the policyholder, building the claim, interpreting the policy in your favour where it fairly can be, and negotiating to recover the fullest settlement the policy allows. Commercial Insurance Claim Solutions is regulated by the Central Bank of Ireland, Reg. No: C423441, and works on a no win, no fee basis, so the assessor's interest is aligned with yours from the first day.

None of the above is legal advice, and no claim outcome can be guaranteed; every policy and every loss is different. What can be said with confidence is that a BI claim built carefully from the outset, with the policy properly interpreted and the loss fully evidenced, stands a far better chance of reflecting the real damage done to your business.

If your business has suffered damage and you are facing a loss of income, talk to us before you settle anything. We will review your policy, explain where you stand and handle the claim from start to finish. Book your free claim assessment today: no obligation, no win, no fee, and a straight answer from a team that works only for you.

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Written and reviewed by · Last updated 25 June 2026

Written by
John Holland Building Surveyor
Senior Loss Assessor

John Holland is a qualified building surveyor and Senior Loss Assessor who leads the assessment and negotiation of major, technical and complex commercial losses, including fire, subsidence and business interruption claims. He specialises in the detailed technical analysis that high-value commercial claims demand, making sure every element of a loss is identified, quantified and properly presented to the insurer.

More about John Holland

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