A civil liability extension widens a professional indemnity policy so that it responds to any civil claim arising from the firm’s professional services, not only to claims framed in negligence. It catches breach of contract, breach of statutory duty, defamation arising from the work, breach of confidence and other civil causes of action that a narrower wording would exclude.
What civil liability extension means in PI insurance
A standard “negligence, error or omission” wording responds when the claimant alleges the professional breached a duty of care — typically the common-law duty of reasonable skill and care, or the equivalent contractual duty implied into a professional services engagement. If the claim is framed in another way, the standard wording may not engage.
A civil liability extension replaces or supplements that narrower trigger with the broader phrase “civil liability” — meaning any liability owed under civil law arising from the firm’s professional work. The claim no longer has to be pleaded as negligence to fall within cover; it can be pleaded as breach of contract, breach of fiduciary duty, breach of confidence, defamation in the course of professional work, or any other recognised civil cause of action.
The extension is sometimes built into the core insuring clause (so the policy is described as a “civil liability policy” from the start) and sometimes added as a separate clause. Either way, the practical effect is the same: the policy’s trigger is “any civil liability arising out of the conduct of the professional business” rather than “negligence, error or omission in the conduct of the professional business”.
UK regulators including the ARB and the SRA require a civil liability basis for their respective professions; most other professional PI policies offer it as standard or as a low-cost extension. Some legacy narrower wordings still exist on smaller commercial PI books — particularly for less regulated occupations.
How civil liability extension works in practice
When a claim arrives, the insurer reads the pleadings — the formal statement of the claimant’s case — and asks whether the matter falls within the policy’s insuring clause. On a narrow negligence policy, the question is “is this pleaded as negligence?”. If the claimant has framed the case as breach of contract (which is a common drafting choice), the question becomes whether the breach alleged also amounts to negligence on the facts. If the answer is no — for example, the breach is of a specific contractual deliverable that doesn’t engage the duty of care — the policy may not respond.
On a civil liability wording, the question is simply whether the matter is a civil claim arising from the professional work. Breach of contract, breach of fiduciary duty, breach of statutory duty (subject to specific exclusions), and most other civil pleadings fall within cover. The insurer cannot rely on a “but it’s pleaded as X not as negligence” technicality.
This matters because modern professional claims are often pleaded in multiple causes of action. A claimant may plead negligence and breach of contract in the alternative, and may add breach of confidence, breach of duties of disclosure, breach of fiduciary duty or other claims as the case develops. A civil liability wording responds across the range; a narrow wording leaves the firm exposed where the live claim sits outside the negligence pleading.
The extension does not turn the policy into a guarantee. The standard PI exclusions still apply — dishonesty, fraud, fines and penalties, deliberate breaches, contractual liabilities assumed beyond the common-law duty (such as fitness-for-purpose), pollution, war, and so on. The civil liability wording broadens the trigger but does not weaken the exclusions.
Worked example with realistic numbers
A Bristol surveying firm carries £1m PI on a civil liability basis with a £10,000 excess. It values a commercial building at £2.4m for a lender in 2024. The lender lends £1.6m secured on the valuation. In 2025 the lender enforces, sells for £1.7m, and alleges the valuation was overstated.
The claimant pleads three causes of action: (1) negligence in the valuation, (2) breach of contract in failing to comply with the engagement letter’s express requirements for valuation methodology, and (3) breach of fiduciary duty in failing to disclose a conflict of interest with the borrower (the surveyor had previously valued the property for the borrower).
On a narrow negligence wording, only cause (1) engages cover with certainty. Defence has to deal with all three pleadings. The breach of contract claim sits in a grey zone; the breach of fiduciary duty pleading is not negligence and may sit entirely outside cover.
On the civil liability wording, all three causes of action fall within the insuring clause as civil claims arising from the professional work. The insurer takes conduct of the full defence. Subject to the standard exclusions (the surveyor isn’t alleged to have been dishonest, just careless and conflicted), the policy responds to whatever liability is ultimately found.
If liability is £600,000, the insurer pays £590,000 after the £10,000 excess, regardless of which of the three causes of action ultimately succeeds in court.
When this matters most
The civil liability extension matters most in three situations.
First, on regulated professions where the regulator requires it. The SRA Minimum Terms and Conditions require qualifying insurance to be on a civil liability basis. ARB’s PI criteria for architects require the same. RICS minimum terms require it. Solicitors, architects and surveyors must have it; the policy without it does not meet the regulator’s requirements.
Second, on firms whose engagement letters contain detailed express contractual obligations. A consultancy whose contracts list specific deliverables, methodologies, response times and reporting requirements has multiple potential breach-of-contract pleadings on any disputed engagement, separate from the underlying negligence question. The civil liability wording protects against the case being pleaded around the negligence trigger.
Third, on firms exposed to multiple causes of action — fiduciaries (lawyers, financial advisers, trustees), professionals handling confidential information (auditors, IFAs), and professionals whose statutory duties are codified (insolvency practitioners, RICS regulated valuers). The civil liability wording catches the additional civil claims these professions face.
Common variations and market wording
Most market wordings express the civil liability basis in one of three forms.
Pure civil liability. “The Insurer will indemnify the Insured against civil liability arising from the conduct of the professional business.” The broadest and cleanest form, common on solicitors’ MTC-compliant wordings and on most modern PI written for regulated professions.
Civil liability with named carve-outs. Civil liability is the trigger, but specific civil causes of action are excluded — typically pollution liability, employers’ liability, public liability, and contractual liabilities assumed in excess of the common-law duty. The carve-outs are dealt with in the exclusions clause.
Negligence with civil liability extension. The core insuring clause uses “negligence, error or omission” language, with a separate extension clause adding civil liability. The mechanism is the same as a pure civil liability wording but achieved by clause-stacking. The wording’s interaction with the exclusions can be marginally less clean.
Negligent acts only (no extension). A narrower wording that responds only to negligence. Found on some legacy policies, on certain miscellaneous PI wordings for non-regulated occupations, and occasionally on excess-layer policies that incorporate by reference. Firms in regulated professions need to verify they are not sitting on a wording of this type by mistake.
Some wordings include “breach of warranty of authority” and “breach of duty of confidence” as named civil liability heads. Some include “defamation arising from professional services”. Most exclude assumed contractual liability beyond the common-law duty — fitness for purpose, performance guarantees, and similar express undertakings remain outside cover even on a civil liability wording.
Related concepts
The civil liability extension interacts with the breach of contract cover — many breach-of-contract claims engage civil liability cover, but specific contractual assumptions beyond the common-law duty may still be excluded. It also interacts with the dishonesty extension — the standard policy excludes dishonest acts, and a separate extension is sometimes needed to cover the innocent firm against a dishonest employee.
Frequently asked questions
What is a civil liability extension on a PI policy?
A civil liability extension widens the policy trigger so that it responds to any civil claim arising from the firm’s professional services, not only to claims pleaded in negligence. It catches breach of contract, breach of statutory duty, breach of fiduciary duty, breach of confidence and other civil causes of action that a narrower negligence wording might not pick up.
Do SRA, ARB and RICS require civil liability cover?
Yes. The SRA Minimum Terms and Conditions require qualifying insurance for solicitors to be on a civil liability basis. ARB’s PI criteria for architects require civil liability cover. RICS minimum terms for surveyors require it. ICAEW’s PII Regulations for accountants require cover for a range of civil claims; the regulator expects civil liability wording.
Is civil liability cover broader than professional indemnity cover?
Civil liability is a feature of how the PI policy is written, not a separate type of cover. A PI policy with a civil liability trigger is broader than one with a negligence trigger because it picks up more types of claim. The policy still excludes the standard non-PI exposures — pollution, deliberate breach, assumed contractual obligations beyond the common-law duty, and so on.
Does civil liability cover breach of contract?
Mostly yes — civil liability includes contractual liability arising from the professional business. The carve-out is for contractual obligations assumed beyond the common-law duty of reasonable skill and care: fitness-for-purpose obligations, express performance guarantees and similar undertakings that go further than negligence-based duty remain outside cover even on a civil liability wording.
Does civil liability cover dishonesty?
No. The civil liability trigger broadens the types of negligent or accidental civil claim covered; it does not bring dishonest acts inside cover. Dishonesty is excluded under a separate exclusion clause. Cover for the innocent firm against a dishonest employee is typically dealt with by a separate dishonesty extension, where the innocent firm is indemnified for the claim against it.
How do I tell if my policy is on a civil liability basis?
Read the insuring clause at the front of the policy wording. The phrases to search for are “civil liability”, “any civil liability”, “liability at law” or “legal liability”. If the wording says only “negligence, error or omission” or “professional negligence” without mention of civil liability, the policy may be on a narrower basis. The schedule and any extensions clause should also be checked.
Does the civil liability extension cost more?
For regulated professions where civil liability is required (solicitors, architects, surveyors) it is built into the standard wording and does not attract a separate cost. For other professional PI it is often offered as standard or as a low-cost extension; insurers know that most claims today are pleaded in multiple causes of action and pricing reflects this.
Can I have civil liability cover at primary level but negligence-only at excess?
In theory yes, but it is poor structuring. An excess layer that picks up only on negligence claims will not respond when the primary settles a non-negligence civil claim — the excess won’t drop down. Excess layers should be written on the same liability basis as the primary to avoid layer disputes. Confirm with the broker placing the layered programme.
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About Apex Insurance Brokers Ltd
Apex Insurance Brokers Ltd is a Bristol-based independent insurance broker authorised and regulated by the Financial Conduct Authority (firm reference number 724952). Companies House registered number 07014570. We arrange professional indemnity insurance for UK professional firms across architecture, surveying, accountancy, consultancy and related sectors. Contact: info@apexinsurancebrokers.co.uk or 0117 325 0027.
Last reviewed: May 2026 by Apex Insurance Brokers Ltd.
Important: this article is general information, not advice on your specific circumstances. For advice on PI insurance for your firm, contact us on 0117 325 0027 or info@apexinsurancebrokers.co.uk.