Select Page

Business and commercial

Commercial Combined Insurance

one policy for property, liability and interruption

Commercial combined insurance is a single policy that assembles the covers a trading business needs, typically buildings, contents and stock, public and products liability, employers’ liability and business interruption. It is underwritten around the individual risk rather than sold as a fixed package.

  • Property, liability and interruption in one
  • Built around the risk, not a fixed package
  • Manufacturing, trade, retail and logistics

Quick answerCommercial combined insurance puts your property, stock, liability and business interruption cover into a single policy with one renewal date. Tell MyMoneyComparison.com about the business once, and specialist UK brokers can come back with quotes to compare. Free to use, no obligation.

The basics

What Is Commercial Combined Insurance?

Commercial combined insurance is a single policy that brings together the covers a trading business needs: the buildings and contents, the stock, the liabilities, and the income lost if the business has to stop. The sections are chosen for the business rather than taken off a shelf.

The practical difference from a shop or office package is how it is put together. A package policy is a fixed product you fit yourself into. A combined policy is assembled around the risk and usually rated individually by an underwriter, which is why it suits businesses that do something a rating table does not recognise.

When a business outgrows a package policy

  • Machinery, plant or stock worth more than a package will take
  • A trade the package underwriter declines, such as hot work or waste
  • More than one site, or a site with an unusual construction
  • Work away from the premises as well as at it
  • Business interruption that needs a real indemnity period, not a default
  • Contract requirements a package cannot meet

One policy, several sections

What a combined policy assembles

  • Material damageBuildings, contents, stock, plant
  • Business interruptionIncome lost while you cannot trade
  • Employers’ liabilityCompulsory once you employ anyone
  • Public and products liabilityInjury and damage you cause
  • Money and goods in transitCash on site and stock on the move
Extras such as engineering breakdown, legal expenses and terrorism

There is no industry definition of “commercial combined”, and no published minimum premium or turnover threshold. We looked for one. Neither the Chartered Insurance Institute, BIBA nor the ABI defines the term, and the thresholds quoted on broker websites are assertions rather than standards. They also disagree with each other. Treat it as a description of how a policy is assembled, not as a category with an entry requirement, and judge a quote on the sections and limits it actually contains.

The sections

What Does Commercial Combined Insurance Cover?

A commercial combined policy normally covers buildings, contents, stock and plant, business interruption, employers’ liability, and public and products liability. Money, goods in transit, engineering breakdown, contract works, legal expenses and glass are added where the business needs them.

Buildings and premises

The structure, fixtures, boundary walls and outbuildings, against fire, flood, escape of water, storm, impact and theft.

Contents, stock and plant

Machinery, fixtures, fittings, raw materials and finished stock. Stock values move through the year, which matters for the sum insured.

Business interruption

The income lost while you cannot trade. Conditional on the property claim, which is the single most misunderstood thing on this page.

Employers’ liability

Compulsory from the moment you employ anyone. At least £5 million, and the certificate has to be available to staff.

Public liability

Injury to members of the public or damage to their property arising from your business. Usually written per occurrence.

Products liability

Harm caused by something you made, sold, supplied or installed after it has left you. Usually written in the aggregate, not per occurrence.

Money and assault

Cash on the premises, in transit and in a safe, with separate limits for each, plus personal accident cover for staff assaulted in a robbery.

Goods in transit

Stock, tools and equipment while they are being moved. Relevant to anyone who delivers, installs or works away from the premises.

Engineering and breakdown

Statutory inspection of lifts, boilers and pressure systems, and cover for the sudden breakdown of machinery a business cannot trade without.

Contract works, plant and tools

Work in progress, hired-in plant and own tools on site. Frequently the gap between a package policy and what a trade business actually does.

Legal expenses

Defence costs for employment disputes, contract disputes and regulatory investigations, usually with an insurer-appointed panel solicitor.

Glass, signs and deterioration

Fixed glass and fascia signs, and in food businesses the stock spoiled when refrigeration fails.

Two sections are worth reading the wording on before anything else: business interruption, because it does not work the way most people assume, and products liability, because its limit is normally an annual aggregate that a run of claims can exhaust. Both are covered in full below.

Who it suits

Which Businesses Need Commercial Combined Cover?

Commercial combined suits any business whose risk is too varied or too large for an off-the-shelf package: manufacturers, wholesalers, trade and construction firms, logistics and storage operators, motor trades, engineering firms, and retail or hospitality businesses with significant property and stock.

Manufacturers

Plant, raw materials, work in progress and finished stock, with products liability on everything that leaves the door.

Wholesalers and distributors

High stock values that swing with the season, goods in transit, and racking that a package policy rates badly.

Trade and construction firms

A yard, tools, hired-in plant and work on client sites. See also contractors all risks.

Retail and hospitality

Shopfronts, stock, public liability and, in food businesses, deterioration cover when refrigeration fails.

Logistics and storage

Warehousing, handling equipment and goods held for other people, which is a liability question as much as a property one.

Motor trade and garages

Premises, tools and stock alongside the road risk. Motor trade insurance covers the vehicle side.

Engineering firms

Machinery breakdown, statutory inspection and the liability that follows work done on someone else’s site.

Property owners with a trade

Where a business owns its premises and also lets part of them, so the property and the trade sit in one policy.

Exclusions

What Is Not Covered?

Commercial combined policies exclude wear and tear, gradual deterioration, faulty design and workmanship, deliberate acts, fines and penalties, and liability for professional advice. Cyber is normally excluded unless the policy says otherwise, and cover narrows when premises are left unoccupied.

Wear, tear and gradual causes

Insurance responds to sudden accidental events. A machine at the end of its life and a roof that has slowly failed are maintenance costs.

Faulty design and workmanship

The cost of putting right defective work is excluded, though damage it causes to the rest of the property may be covered.

Premises left unoccupied

Cover narrows sharply once part or all of a site is empty, and most policies require you to tell the insurer when it happens.

Cyber, unless it is affirmed

Property and liability sections now normally state expressly whether cyber is covered. Most say it is not. See the cyber section below.

Deliberate acts and dishonesty

Loss caused deliberately by the insured is excluded. Employee dishonesty needs a fidelity guarantee section, which is not standard.

Contractual liability you took on

Liability assumed under a contract that you would not have had at law is commonly excluded or needs to be agreed in advance.

Professional advice

Liability for advice or design is a professional indemnity question. Professional indemnity cover sits alongside, not inside.

Fines, penalties and unpaid debts

Regulatory fines, punitive damages and money a customer simply never paid you are not insured losses.

The condition nobody explains

The Material Damage Proviso: Why BI Can Fail on Its Own

Business interruption in a commercial combined policy is not a standalone cover. Most wordings make it conditional on the property claim: there must be material damage insurance in force, and under many wordings the property insurer must have paid the claim or admitted liability before the interruption section responds at all.

This is a condition precedent, not a technicality. One widely used UK commercial combined wording requires that “at the time of the damage there is insurance in force covering your interest in the building(s) or other property against that damage and that payments have been made or liability admitted under that insurance”. If that condition is not met, the interruption section has nothing to attach to, however real the lost income is.

The excess carve-out matters

Better wordings add that the condition is also satisfied where payment would have been made but for the property excess. That stops a business losing an entire interruption claim because the damage happened to fall under its property excess. Check yours says so.

Wordings genuinely differ

Not every proviso requires admission. At least one major UK insurer’s combined wording requires only that material damage insurance was in force at the time, which is materially wider. This is a real difference between two quotes that look identical on a summary.

A declined property claim usually takes BI with it

Where the wording requires payment or admission and neither happens, the interruption claim normally fails too. Two sections, one outcome. That is why an underinsured or badly declared property section is not just a property problem.

The courts have been clear that damage-based cover needs damage

In 2024 the Court of Appeal held that a restaurant’s pandemic closure losses were not covered, because the business interruption clause required physical damage as defined and none had occurred. The court declined to read the clause more widely to produce a fairer commercial result. The practical lesson for a combined policy is the same one: the interruption section is built on the damage section, and it is the wording that decides, not what feels reasonable after a loss.

The number most businesses get wrong

“Gross Profit” on a BI Policy Is Not Your Accountant’s

Insurance gross profit is turnover less a short, specified list of costs. It keeps wages, rent, rates, utilities and most overheads inside the insured figure, because those bills carry on after a fire. An accountant’s gross profit strips out far more, so handing that figure to a broker under-insures the business from day one.

The loss adjusting profession is blunt about this. A joint study by the Chartered Institute of Loss Adjusters and the Insurance Institute of London puts it as plainly as it can be put: “Gross profit is a term in everyday use in the business community, and is one that has no particular definition. It is not defined in statute. It is not defined in any accounting standard.” Two people can use the phrase, mean different things, and only find out which of them was right after a fire.

What the policy actually deducts

A typical UK wording defines gross profit as turnover, adjusted for opening and closing stock and work in progress, less the uninsured working expenses. That list is short. In one major insurer’s business interruption wording it is four items: purchases less discounts received, carriage, packing and freight, discounts allowed, and bad debts. Everything not on that list stays inside the figure you insure, wages included. The same costs are sometimes called specified working expenses or variable costs; they mean the same thing.

Worked example · illustration only

The same business, two different figures

  • Annual turnoverWhere both calculations start£2,000,000
  • Accountant’s gross profitTurnover less full cost of sales, including production wages£600,000
  • Insurance gross profitTurnover less purchases, carriage, discounts and bad debts only£1,400,000
  • The gapRoughly the payroll and overheads that carry on regardless£800,000
Insure the lower figure and the shortfall is your own wage bill

Why wages belong inside the figure

After a fire you still have to pay the people you will need when you reopen. Lose the skilled staff and the business does not recover at all, it restarts. That is precisely why the insurance definition keeps payroll in.

Get the broker and the accountant in the same room

The accountant produces the figures and the broker knows which of them the wording deducts. Neither can get this right alone, and the ten minutes it takes is the cheapest thing on this page.

Project forward, do not look back

The declaration covers the year ahead, not the year just ended. Growth, price rises and inflation all have to be in the figure before the year starts, because nobody gets to revise it after a loss.

How long the cover runs

The Indemnity Period Is the Decision, Not a Default

The indemnity period is however long the business results are actually affected. The maximum indemnity period is the cap you bought. A claim runs until the business recovers or the cap bites, whichever comes first, so twelve months does not mean recovery takes twelve months. It means cover stops there either way.

Two terms that sound the same and are not
Indemnity periodMaximum indemnity period
What it isThe period during which the results of the business are affected by the incidentThe figure shown in the schedule, which caps the first one
Who sets itEvents. Nobody chooses how long recovery takesYou do, at quote stage, and it is priced accordingly
When it endsWhen trading returns to where it would have beenOn the date the cap runs out, recovered or not
What goes wrongNothing. It is a factTwelve months is taken as a default and turns out to be half what was needed

Both terms are defined in the policy rather than in statute or regulation.

What actually drives the right length

Rebuilding takes longer than people think

Insurer investigation, then planning, then procurement, then construction, then fit-out. On anything substantial the construction is the short part. Listed buildings and specialist plant with long lead times stretch it further.

Tenants do not control the timetable

If you rent, the landlord reinstates the building. Your indemnity period has to cover a programme that somebody else is running, at their pace.

Seasonal and deferred revenue

A seasonal business may need a full trading cycle after reinstatement before the loss even shows. Anything with a long production, ageing or contract cycle may see no turnover fall inside twelve months at all, and the whole loss afterwards.

Customers go elsewhere and stay there

Turnover does not snap back on the day the doors reopen. Winning back a customer who found another supplier is slower than rebuilding the roof.

Scale the sum insured with the period

A twenty-four month maximum indemnity period needs roughly two years of gross profit insured, not one. Buying the longer period and leaving a twelve month figure in the schedule is under-insurance by construction.

The menu is 12, 18, 24 and 36 months

Those are what insurers commonly offer. There is no authoritative recommended figure, and we will not invent one. The right answer is how long this business would take to get back to where it would have been.

When the figure is too low

Under-Declaration, Average and the One-Third Headroom

If the gross profit figure is too low, a sum-insured policy applies average and cuts the claim in the same proportion. A declaration-linked policy works differently: it waives average and caps cover at one third more than the figure you declared, which is headroom for growth rather than a cushion for under-declaring.

Worked example · illustration only

How average cuts a business interruption claim

  • Gross profit declaredThe accountant’s figure, handed over£1,000,000
  • Gross profit on the policy definitionWhat should have been declared£1,400,000
  • Loss of gross profit claimedAfter a fire closes the site£350,000
  • Settlement after averageReduced in the same proportion£250,000
The interruption was fully covered. The declaration was not

Sum insured basis

Average applies

The policy compares the sum insured against the gross profit the business would have earned on its annual turnover, and reduces the claim in the same proportion. Note what is being compared: not the rebuild cost of anything, but a projection of trading that has to be made before the year starts.

  • Cheaper premium up front
  • The shortfall lands on you
  • Needs an accurate forward projection

Declaration-linked basis

Average is waived

You declare an estimated gross profit, the premium is charged provisionally on it, and cover is capped at 133.3% of the estimate, a third more than you declared. After the period you declare the actual figure and the premium is adjusted up or down.

  • One third of headroom built in
  • No average clause to catch you
  • Requires an honest estimate and a declaration afterwards

The one-third headroom is for growth, not a licence to under-declare. The cap is applied to whatever you declared. Declare half of what you should have, and one third more than half is still far too little. Under-declaring also exposes the business on a second front: under the Insurance Act 2015, where an insurer would have charged more had it known the true position, it can reduce the claim payment in proportion to the premium difference.

Limits of indemnity

How Much Liability Cover Does a Business Need?

Employers’ liability is compulsory at a minimum of £5 million. Public and products liability are not compulsory and have no statutory minimum, so the limit is set by what your contracts require. The distinction that catches people out is that products liability is usually an annual aggregate rather than a per-occurrence limit.

The three liability sections compared
SectionIs it requiredTypical limitsHow the limit applies
Employers’ liabilityCompulsory by statute once you employ anyoneAt least £5 million, and most insurers write £10 million as standardPer occurrence
Public liabilityNot compulsory, but required by almost every commercial contract£1 million, £2 million, £5 million and £10 million are the usual optionsAny one occurrence
Products liabilityNot compulsory. Often written alongside public liabilityCommonly matched to the public liability limitUsually in the annual aggregate

Employers’ liability: you must be insured for at least £5 million, the fine is up to £2,500 for each day you are uninsured, and up to £1,000 for failing to display the certificate or produce it to an inspector.

Nobody publishes what a “typical” public liability limit is, and we are not going to pretend otherwise. We looked for ABI, BIBA or FCA data on limits of indemnity and there is none. The figures cluster at £5 million and £10 million because that is what public sector procurement, main contractors, landlords and trade associations ask for, not because of any standard. So the right limit is a contractual question: read what your biggest contracts require, then buy at least that.

Aggregate limits can run out

A products liability limit written in the aggregate is the most the policy will pay across the whole year, however many claims there are. A faulty batch can produce a series of claims from one mistake and exhaust it.

Advice is a different policy

Public liability covers injury and damage, not economic loss from advice or design. If the business specifies, designs or advises, that is professional indemnity, and it sits alongside.

Labour-only subcontractors count

For employers’ liability purposes, whether someone is an employee depends on the working arrangement, not the invoice. Declare labour-only subcontractors and let the underwriter decide.

What you tell the insurer

The Duty of Fair Presentation

A business buying commercial insurance must make a fair presentation of the risk: disclose every material circumstance it knows or ought to know, or give the insurer enough to put it on notice that it should ask. Getting the trade description, turnover or claims history wrong is the most common way a policy quietly stops working.

The duty is on the business

Under the Insurance Act 2015 the presentation must disclose every material circumstance the insured knows or ought to know, in a manner that is reasonably clear and accessible. It covers what a reasonable search of your own organisation would turn up, not only what the director happens to remember.

The remedy is usually proportionate

For an innocent breach the insurer is not simply released. If it would have charged more, it can reduce the claim in proportion to the premium difference; if it would have imposed a term, the policy is treated as if that term applied. Only deliberate or reckless breaches allow avoidance.

A breached term that had nothing to do with it

If a term would tend to reduce the risk of one kind of loss, the insurer cannot rely on non-compliance to refuse a different loss it could not have affected. An unmaintained alarm is relevant to a theft claim, not to a burst pipe.

The practical list for a combined policy: the trade actually carried on, including sidelines; turnover and wage roll; every site, including one recently taken on; all claims in the period asked about, including ones the business absorbed itself; any previous refusal, cancellation or special terms; and any part of a site that is unoccupied. Write it down, keep the copy, and send the same version to every broker.

How claims actually fail

There is no honest league table of this. We looked. The Financial Conduct Authority publishes claims acceptance rates for consumer products such as motor, home and travel, but the reporting obligation covers products sold to consumers, and there is no commercial line in the data. No UK body publishes a breakdown of why commercial claims are declined, so the ranked lists that appear on broker sites are assertions. What can be said, because it comes from the wording rather than from a survey, is that the four mechanisms on this page are the ones that do the damage: the material damage proviso, a gross profit figure on the wrong definition, average on an under-declared sum insured, and a presentation of the risk that did not match the business.

The gap at the edge

Where Cyber Sits, and Where It Does Not

Commercial combined policies now normally state expressly whether cyber is covered, and most say it is not. That leaves a real gap where a cyber event causes physical damage, because a property section that excludes cyber and a cyber policy that covers data may both decline the same loss.

The change came from Lloyd’s, and it is worth understanding precisely what it required. In 2020 Lloyd’s told its syndicates that all policies in the relevant classes must provide clarity on cyber by either excluding it or providing affirmative cover, phased in across 2020 and 2021. It mandated clarity, not exclusion, and it binds Lloyd’s syndicates rather than the company market where much UK commercial combined business is written. The wider market moved the same way, but the accurate statement is that policies now have to say, and most say no.

The physical damage gap

Malware that makes plant destroy itself is a property loss with a cyber cause. An excluded property section will not pay, and a cyber policy written around data and business interruption may not cover physical damage either. Ask both insurers the same question in writing.

Read the exclusion, do not assume it

The market-standard property clause is LMA5401, and the liability sections carry their own versions. The scope varies, particularly around whether resulting fire or explosion is written back in.

Cyber is a separate purchase

Data breach, ransom, system restoration and the interruption that follows are what a standalone policy is built for. Cyber insurance sits alongside the combined policy rather than inside it.

Pricing

What Affects the Cost of Commercial Combined Insurance?

There is no standard price. A commercial combined premium is built from the sums insured, the construction and location of the premises, what the business actually does inside them, its turnover and wage roll, the gross profit and indemnity period chosen, the liability limits, and the claims history.

The premises

  • ConstructionBrick and concrete rate very differently from timber frame or composite panel.
  • Rebuild cost and contents valuesThe sums insured are the base the premium is built on.
  • LocationFlood, subsidence and crime exposure are all postcode-driven.
  • ProtectionsSprinklers, monitored alarms and fire detection all move the rating.

The trade

  • What you actually doHot work, cooking, woodworking and waste handling all raise the fire rating.
  • Turnover and wage rollThe two figures that scale most of the liability premium.
  • Products and end useSupplying aerospace or medical end users rates differently from supplying retail.
  • Work away from siteContract works, tools and liability off the premises.

The interruption section

  • Gross profit declaredOn the policy definition, not the accounting one.
  • Maximum indemnity periodTwenty-four months costs more than twelve, and is usually the right call.
  • Basis of coverDeclaration-linked usually costs more than a sum insured basis, and removes average.

The policy

  • Liability limitsMoving public liability from £2 million to £10 million is not free.
  • ExcessesA higher voluntary excess lowers the premium; flood and subsidence carry their own.
  • Claims historyFive years is commonly asked for, and a pattern matters more than one large loss.
  • Optional sectionsMoney, goods in transit, engineering, legal expenses and terrorism each add.

We do not publish example premiums on this page. A commercial combined policy is rated individually, which is the whole point of it, so a single figure would describe nobody. Figures quoted elsewhere are rarely tied to a stated sample, date or basis. A quote costs nothing and reflects your actual business.

Before you buy or renew

What You Need for a Commercial Combined Quote

To get a commercial combined quote you need a full trade description, turnover and wage roll, the address, construction and values at each site, the gross profit and indemnity period for the interruption section, the liability limits your contracts require, and five years of claims history.

The business

  • Full trade description, including sidelines
  • Annual turnover
  • Annual wage roll and employee numbers
  • Labour-only subcontractors
  • Years trading and company number

The premises

  • Address and construction of each site
  • Buildings rebuild cost
  • Contents, plant and stock values
  • Alarm, sprinkler and fire detection
  • Any part of a site unoccupied

Interruption

  • Gross profit on the policy definition
  • Maximum indemnity period wanted
  • Sum insured basis or declaration-linked
  • Rent payable or receivable

Cover history

  • Current insurer and renewal date
  • Claims in the last five years
  • Liability limits currently held
  • Any refusal, cancellation or special terms

Compare the wording, not the premium. Two commercial combined quotes can differ by thousands and still not be the same product. The four things to line up side by side are the maximum indemnity period, whether the interruption section is declaration-linked, how the material damage proviso is worded, and whether the products liability limit is per occurrence or in the aggregate. None of those appears on a price comparison, and every one of them decides what you get paid.

Why MyMoneyComparison.com

Comparing Commercial Combined Cover

MyMoneyComparison.com is an FCA-authorised UK comparison service that introduces businesses to specialist brokers. We do not sell insurance and do not give advice: the broker you choose arranges the policy. Comparing is free and there is no obligation.

1

Form for the whole business

Describe the trade, the premises and the cover once instead of repeating yourself to each broker.

4

Sections that decide claims

The proviso, the gross profit definition, the indemnity period and the declaration. We explain all four.

FCA

Authorised and regulated

MyMoneyComparison.com Ltd appears on the FCA register under FRN 916241.

2013

Comparing since

A UK company since 2013, working with specialist brokers across the country.

Read our customer reviewsSee what people say about us on Trustpilot

FAQs

Commercial Combined Insurance FAQs

Direct answers on the sections, the proviso, gross profit, indemnity periods and liability limits.

What is commercial combined insurance?

Commercial combined insurance is a single policy assembling the covers a trading business needs: buildings, contents, stock and plant, business interruption, employers’ liability, and public and products liability. Money, goods in transit, engineering breakdown and legal expenses can be added. It is underwritten around the individual risk rather than sold as a fixed package.

How is it different from a shop or office package policy?

A package policy is a fixed product with set sections and limits that you fit yourself into, rated from a table. A combined policy is assembled around the business and usually rated individually by an underwriter. That matters when the trade, the values or the number of sites fall outside what a package will accept.

Is there a minimum turnover or premium to buy commercial combined?

Not one that anyone publishes. We looked for a definition or threshold from the Chartered Insurance Institute, BIBA and the ABI and found none, and the figures quoted on broker websites are assertions that disagree with each other. Judge a quote on the sections and limits it contains rather than on whether it carries the label.

What is the material damage proviso?

It is the condition linking business interruption to the property section. Most wordings require material damage insurance to be in force and, under many of them, the property insurer to have paid the claim or admitted liability before the interruption section responds. Wordings do differ on this, so it is worth reading yours.

If my property claim is declined, do I lose the business interruption claim too?

Usually yes, where the wording requires payment or admission. The interruption section is conditional on the property claim, so if that fails there is nothing for it to attach to. The common exception is a loss falling below the property excess, which better wordings expressly carve out.

Does business interruption cover me without physical damage?

Not under a damage-based policy. In 2024 the Court of Appeal held that a restaurant’s pandemic closure losses were not covered because the clause required physical damage as defined and none had occurred. Non-damage triggers such as denial of access or notifiable disease are separate extensions that must be bought.

What does gross profit mean on a business interruption policy?

Not what your accountant means. The insurance definition is turnover, adjusted for stock and work in progress, less a short list of uninsured working expenses, typically purchases, carriage and freight, discounts allowed and bad debts. Wages, rent, rates and most overheads stay inside the insured figure, because those bills carry on.

Why do wages have to be inside the gross profit figure?

Because you still have to pay the people you will need when you reopen. If skilled staff are laid off after a fire they do not wait, and the business restarts rather than recovers. The insurance definition keeps payroll in for exactly that reason, which is why the insured figure is usually much larger than the accounting one.

What indemnity period should I choose?

Long enough for the business to get back to where it would have been. Twelve months is the common default and is frequently too short once insurer investigation, planning, procurement, construction and winning back customers are counted. Insurers typically offer twelve, eighteen, twenty-four and thirty-six months. There is no authoritative recommended figure.

What is the difference between indemnity period and maximum indemnity period?

The indemnity period is however long the results of the business are actually affected. The maximum indemnity period is the cap shown in the schedule. A claim runs until the business recovers or the cap bites, whichever comes first, so choosing twelve months does not mean recovery will take twelve months.

What does declaration-linked mean?

You declare an estimated gross profit, the premium is charged provisionally on it, and cover is capped at 133.3% of the estimate, a third more than you declared. After the period you declare the actual figure and the premium adjusts. Average is waived, which removes the risk of a proportionate cut for modest under-estimation.

Does the one-third uplift mean I can under-declare?

No. The cap is applied to whatever figure you declared, so one third more than too little is still too little. The headroom exists to absorb growth and inflation during the year. Under-declaring also exposes the business under the Insurance Act 2015, where an insurer can reduce a claim in proportion to the premium it would have charged.

How much employers’ liability cover do I need?

At least five million pounds, which is the statutory minimum, though most insurers write ten million as standard. The certificate must be available to employees. The fine is up to two thousand five hundred pounds for each day you are uninsured, and up to one thousand pounds for failing to display or produce the certificate.

How much public liability cover do I need?

There is no statutory minimum and no published data on what is typical. The limit is set by your contracts: public sector procurement, main contractors, landlords and trade associations commonly require five or ten million pounds. Read what your largest contracts demand and buy at least that much.

Is products liability the same as public liability?

No, and the difference matters. Public liability covers injury and damage arising from your operations, usually per occurrence. Products liability covers harm caused by goods after they have left you, and is usually written in the annual aggregate, meaning one faulty batch producing a series of claims can exhaust the whole limit.

Is cyber covered by a commercial combined policy?

Usually not. Since Lloyd’s required its syndicates to be explicit about cyber in 2020 and 2021, policies generally state expressly whether it is covered, and most exclude it. The gap worth checking is cyber-caused physical damage, which an excluded property section and a data-focused cyber policy can both decline.

What happens if I describe my trade wrongly?

Under the Insurance Act 2015 a business must make a fair presentation of the risk. For an innocent breach the remedy is usually proportionate: if the insurer would have charged more, it can reduce the claim in proportion to the premium difference. Only deliberate or reckless breaches allow the insurer to avoid the policy outright.

How much does commercial combined insurance cost?

There is no standard price and we do not publish example premiums, because the policy is rated individually. The premium is built from the sums insured, the construction and location of each site, what the business does inside them, turnover and wage roll, the gross profit and indemnity period, the liability limits and the claims history.

Ready when you are

Compare Commercial Combined Quotes

Tell us about the business, the premises and the cover you need, and specialist UK brokers can come back with quotes. Free to use, with no obligation to buy.

  • Property, liability and interruption
  • Specialist and hard-to-place trades
  • FCA authorised and regulated

Free to use · No obligation · UK brokers

About this page

We publish this page to help business owners understand what a commercial combined policy contains, how the business interruption section is actually calculated, and which conditions decide whether a claim gets paid. It is general information rather than advice. Cover and exclusions vary by insurer, so always read the policy documents before buying.

How we researched this page

  • Published UK commercial combined and business interruption policy wordings
  • Chartered Institute of Loss Adjusters and Insurance Institute of London technical work
  • The Insurance Act 2015 and the employers’ liability regime
  • Court of Appeal authority on damage-based business interruption cover
  • Lloyd’s market bulletins on cyber clarity

Where no reliable source exists we say so rather than filling the gap. There is no industry definition of commercial combined, no published data on typical liability limits, and no credible breakdown of why commercial claims are declined. This page says all three, and explains the mechanisms instead.