Jurisdiction(s):
United Kingdom

Key definition

PFI definition

What does PFI mean? PFI (private finance initiative) describes, in practice, a long‑term public–private partnership under which a private sector special purpose vehicle (SPV) finances and operates, and usually designs and constructs, public sector assets or services. The public authority pays a performance‑linked unitary charge over the term. PFI is not a statutory definition but a policy and market label; the legal framework is found in the project agreement and related documents, HM Treasury guidance (including SoPC4), and public procurement law. Key features include limited‑recourse project finance, transfer of design, construction, lifecycle and maintenance risk to the private sector, availability‑based payment and deductions,...

PFI/PF2 construction and O&M disputes: multi-party risk, equivalent project relief, adjudication/HGCRA pitfalls, service deductions, good faith, limitation, and effective dispute resolution and avoidance

Published by a LexisNexis Construction expert

Practice notes

Launched in 1992, the Private Finance Initiative (PFI) is a form of public–private partnership, later followed in 2012 by the ‘PF2’ variant. See Practice Notes: Introduction to PFI and PF2, Key parties in a PFI/PF2 project, and PFI structure—diagram. This Practice Note concentrates chiefly on Disputes arising on PFI projects (rather than PF2), as PFI projects are far more numerous. In 2018, the government confirmed it would cease using the PF2 model for new projects. Nonetheless, existing PFI and PF2 projects will continue in operation. Given the usual 25–30 year term, existing projects—and any disputes they generate—are expected to persist for many years to come.

The contractual context of PFI disputes

Disputes on PFI projects are not unusual: the governing documentation is voluminous, the projects are complex and high‑value, and numerous interested parties are involved. Broadly, PFI projects progress through three stages—procurement, construction, and operation/maintenance (O&M). Issues can surface at any point, but this Practice Note focuses on disputes stemming from the construction and O&M stages...

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Web page updated on 21/05/2026

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