Technical Reference

37430  —  Professional Indemnity in Construction

Construction & Development Insurance (37400)
1

Overview

Node 37430 addresses insurance covering the liability exposure of design and construction professionals — architects, engineers, and building certifiers — for loss arising from a negligent act, error, or omission in the design or certification of a project. Professional indemnity cover responds to economic loss flowing from a professional’s negligent conduct, distinct from the physical loss cover addressed under contract works insurance or the third-party injury and property damage cover addressed under developer public liability.

Professional indemnity policies typically respond on a claims-made basis, covering claims made and notified during the policy period regardless of when the underlying conduct occurred. Given the long-tail nature of building defect claims, which may not emerge until years after a project’s completion, practitioners commonly maintain run-off cover after ceasing practice to address potential future claims arising from earlier work.

This node is intended for architects, engineers, building certifiers, developers, and financiers engaged with construction professional liability risk, applying the general framework addressed in node 37400 to the professional indemnity context specifically.

2

Scope & Boundaries

This node addresses professional indemnity cover for design and construction professionals. It does not address contract works insurance, addressed in node 37410, developer public liability, addressed in node 37420, or defects insurance and builders warranty, addressed in node 37440.

Scope Note

This node describes the general professional indemnity cover applicable to Australian design and construction professionals as at the time of writing. The specific cover, claims-made conditions, and run-off requirements applicable to a given practitioner should be confirmed against the relevant policy document and registration requirements.

3

Key Concepts

Professional Indemnity Cover
Insurance protecting a design or construction professional against claims for economic loss arising from a negligent act, error, or omission in the performance of their professional services.
Claims-Made Basis
The basis on which professional indemnity policies typically respond, covering claims made during the policy period regardless of when the underlying conduct occurred, in contrast to an occurrence basis.
Run-Off Cover
Continued professional indemnity cover maintained after a practitioner ceases practice, addressing the long-tail risk of claims arising from earlier work.
Design Defect Liability
A professional’s liability exposure where a design or certification error results in a building defect, typically manifesting as economic loss rather than direct property damage.
4

Regulatory & Legal Framework

  • Design and Building Practitioners legislation (state-based, for example the Design and Building Practitioners Act 2020 (NSW) and equivalent legislation in other states)
    Relevant state building regulator
    Imposes professional indemnity insurance and registration requirements on design practitioners.
  • Architects registration legislation (state-based) and equivalent professional registration legislation
    Relevant state architects registration board
    Imposes professional indemnity requirements on registered architects.
  • Insurance Contracts Act 1984 (Cth)
    Australian Securities and Investments Commission
    Governs the terms and conduct obligations applicable to professional indemnity insurance contracts, including claims-made policy disclosure requirements.
5

Practical Application

ScenarioApplicationOutcome
An engineer’s design error contributes to a structural defect discovered years laterThe engineer’s professional indemnity policy, on a claims-made basis, responds provided the claim is made and notified within the relevant policy periodThe economic loss arising from the design error is addressed under the policy
An architect retires from practiceThe architect arranges run-off cover to address potential future claims arising from earlier projectsThe architect’s long-tail liability exposure remains insured after ceasing practice
A building certifier is engaged to certify a multi-unit developmentThe certifier maintains professional indemnity cover as a condition of registrationThe certifier’s professional liability exposure for certification errors is insured

Findings are presented on the basis of data and evidence alone.