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Professional Indemnity Insurance in Irish Construction: What Contractors Need to Know
Written by Jack Doherty
As Irish contractors move into design-and-build, BIM authorship, and Assigned Certifier roles, professional indemnity insurance becomes a critical requirement. Understanding what PI covers, when it is needed, and how claims-made policies work could protect your business from significant uninsured risk.
What professional indemnity insurance covers in construction
Professional indemnity (PI) insurance provides cover for claims arising from errors, omissions, or negligent professional advice or design. In a construction context, PI insurance covers: design errors (a structural design error that causes a building to be unfit for purpose or require expensive remediation); specification mistakes (an incorrect specification of materials or systems that results in performance failure or regulatory non-compliance); professional advice that proves wrong (a contractor who advises a client on building method or materials and the advice turns out to be incorrect); and BIM authorship errors (incorrect information in a BIM model that other project participants rely upon). PI insurance does not cover: construction defects arising from poor workmanship (covered by public liability or contractor's all risks); products that fail to perform as specified (covered by product liability); or intentional misconduct. The distinction between a design/specification error (PI claim) and a workmanship defect (public liability claim) is important in practice - a claim that straddles both (a specification error that was also poorly constructed) may involve both PI and public liability policies.
When contractors need PI insurance
Traditional build-only contractors (who construct to a design provided by the client's consultants) do not typically need PI insurance, because their professional liability for construction defects is covered by their public liability and contractor's all risks policies. PI insurance becomes necessary for contractors when they accept professional responsibility for design or specification. This occurs in: design-and-build contracts (where the contractor assumes responsibility for designing all or part of the project to meet the Employer's Requirements); novated consultant arrangements (where the contractor takes over professional appointments previously held by the client's design team, assuming responsibility for the accuracy and adequacy of the consultants' designs); Assigned Certifier appointments under BCAR (the Assigned Certifier has professional responsibility for certifying compliance with building regulations); BIM contribution to shared models (where the contractor is responsible for the accuracy of design information they contribute to a Common Data Environment); and any situation where the contractor provides professional advice, recommendations, or specifications on which the client relies.
Claims-made vs occurrence-based PI policies
The most important characteristic of PI insurance that construction companies and professionals need to understand is that almost all PI policies are written on a claims-made basis rather than an occurrence basis. Under a claims-made policy, the insurance company that provides cover at the time a claim is made - not the time the work was done - responds to the claim. This means: the policy must be in force when the claim is made, not just when the work was done; historical work can give rise to PI claims for years after the work is completed (the limitation period for professional negligence claims in Ireland is typically six years from the date the claimant knew or ought to have known of the negligence); and if the PI policy lapses or is cancelled, historic work is no longer covered for future claims. The practical implications are: maintain PI cover continuously as long as you are undertaking work that creates professional liability; understand the retroactive date of your policy (the date from which past work is covered); and arrange run-off cover if you stop the activities that require PI. Occurrence-based PI policies (where the policy in force at the time the work was done covers future claims) exist but are rare and more expensive in construction.
PI insurance for Assigned Certifiers under BCAR
The Building Control (Amendment) Regulations 2014 (BCAR) introduced the Assigned Certifier role - the registered building professional (typically an architect or engineer) who takes on personal responsibility for inspecting construction and certifying compliance with building regulations. The Assigned Certifier is required to hold PI insurance with a minimum limit of EUR 1.5 million per claim as a condition of the role. This PI requirement applies to the individual professional acting as Assigned Certifier and to the firm they operate through. In practice, some main contractors have registered and taken on Assigned Certifier appointments for their own projects, which requires the main contractor to hold PI cover for the Assigned Certifier function in addition to their standard contractor insurance programme. The Assigned Certifier liability exposure is significant - signing a certificate of compliance at completion means that the Assigned Certifier is personally certifying that the building complies with building regulations, based on inspections conducted during construction. A subsequent compliance failure discovered post-occupancy can result in a PI claim against the Assigned Certifier for the cost of remediation.
Common questions about professional indemnity insurance in Irish construction
What PI insurance limits do Irish construction contracts typically require?
Professional indemnity insurance limits required in Irish construction contracts vary by project type and value. For design-and-build contracts on commercial and residential projects, clients typically require PI limits of EUR 1 million to EUR 5 million per claim or per year. For public works design-and-build contracts, the GCCC standard contract requires PI limits specified in the Contract Particulars, which are set by the contracting authority relative to project value and risk - commonly EUR 2 million to EUR 10 million for major public projects. For data centre and pharmaceutical design-and-build work, PI requirements can be EUR 5 million or higher per claim. For Assigned Certifiers under the Building Control (Amendment) Regulations 2014, the minimum PI cover required is EUR 1.5 million per claim (as specified in BCAR circular). For architects and consulting engineers who regularly provide professional services in construction, the RIAI and Engineers Ireland both have PI cover requirements as a condition of membership. It is important to note that PI limits are typically expressed as per claim and in the aggregate for the policy period - understanding whether the required limit applies per claim or in aggregate is important when specifying or complying with PI requirements.
Do contractors need PI insurance or is it only for consultants in Ireland?
Professional indemnity insurance is primarily associated with design professionals (architects, engineers, quantity surveyors) rather than contractors, because PI covers liability arising from professional advice, design, or specification errors. However, contractors increasingly need PI insurance in several specific situations. First, design-and-build contracts - when a contractor accepts design responsibility (either for the whole project or for specific elements such as a D&B structural frame or D&B MEP systems), the contractor has professional liability for that design and needs PI cover for it. Second, Assigned Certifier roles - under BCAR, the Assigned Certifier is required to hold PI insurance, and some main contractors have taken on Assigned Certifier roles, requiring PI cover. Third, BIM authorship - when a contractor contributes design information to a BIM model that others rely upon, there may be professional liability for the accuracy of that information. Fourth, specification writing - if a contractor provides specifications or technical recommendations that the client relies upon and those recommendations are wrong, there may be professional liability. Contractors who are moving into design-and-build, BIM-enabled delivery, or Assigned Certifier roles should review their insurance programme with a specialist construction insurance broker to ensure PI cover is in place where needed.
What is run-off PI insurance and when is it needed in Ireland?
Professional indemnity insurance is typically written on a claims-made basis, meaning that the policy in force at the time a claim is made (not the time the work was done) responds to the claim. This creates a specific insurance need when a company or professional stops trading or no longer needs PI cover - if the company ceases to exist or lets its PI policy lapse, claims arising from past work (potentially years after the work was completed) will not be covered by any current PI policy. Run-off PI insurance is designed to address this - it provides cover for claims arising from past professional work that are made during the run-off period (typically six years after the work was completed, aligned with the Statute of Limitations). Run-off cover is typically purchased when: a company is dissolved or wound up; a professional retires and closes their practice; or a company changes its business activities and no longer requires ongoing PI cover. The cost of run-off cover is typically a premium equal to or slightly higher than the last year's premium in force, providing cover for the statutory limitation period. For construction companies that have been operating in design-and-build or consultancy capacities and are considering changes to their business structure, taking advice on run-off PI requirements from a specialist insurance broker before making changes is essential.
Jack Doherty
Founder and CVO, WDI
Jack founded WDI, which builds and runs email and LinkedIn outreach for Irish B2B and construction firms.
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