Contract-clause PI · JCT NEC

Meeting JCT and NEC appointment PI insurance requirements

Reviewed by Matthew Bartlett, Director, Apex Insurance Brokers Limited (FCA FRN 724952) · Published 14 July 2026

Nearly every UK construction and consultancy contract carries a PI insurance clause. Meeting it is straightforward when your annual PI is sufficient; when it isn't, your options are project-specific PI or single project PII (SPPI). This page walks through the typical clauses, the cover-adequacy test, and how Apex helps.

Standard JCT PI insurance clauses

JCT Standard Building Contract (SBC). Standard clause typically requires the contractor to maintain PI cover for a defined period. For consultant appointments under JCT Consultancy Agreements, PI cover requirement typically 6 or 12 years post-practical-completion.
JCT Design and Build (DB). Design-and-build contractor takes on design PII exposure. Consultant PI often carried across novation.
JCT Major Project Construction Contract. Higher cover levels typical, longer duration, more specific requirements.
JCT bespoke amendments often modify insurance clauses — employer's requirements typically raise the bar.

Standard NEC PI insurance clauses

NEC Option X10 (Information Modelling). Specific PI insurance requirements for BIM-related work.
NEC main option clauses require the Contractor to hold insurance to defined limits.
NEC Professional Services Contract (PSC). Consultant PI cover typically 6-12 years post-completion, sometimes longer for higher-risk-building work.
NEC Short Contract and its lighter cousins similarly require insurance evidence.

The cover-adequacy test — will your annual PII do?

Limit adequacy. Does your annual PII limit meet or exceed the contract requirement? Check per-claim and aggregate structures.
Duration adequacy. Does your annual PII (with retro-date and prospective run-off) cover the contract-required period?
Wording adequacy. Does your PII wording cover the specific activity (project management, principal designer, D&B novation)?
Territorial adequacy. Does your PII cover the project location and any cross-border elements?
Evidence adequacy. Can you provide the certificate of insurance the contract requires?

Options when annual PII isn't enough

Increase annual PII limit or extend cover. Where the shortfall is modest and permanent, an endorsement or wider cover on your annual policy solves it.
Project-specific PI on the appointment. Standalone cover for the specific project; runs alongside your annual PII.
Full-team SPPI programme. One programme covering all consultants on the project; owner-controlled or contractor-controlled.
Cover restructuring. Layered programme, sub-limits or excess adjustments to bring annual PII into compliance with the contract.

From £7,000 per project. Where SPPI or project-specific PI is the right answer, Apex places from £7,000 per project. Some competitors have refocused on their largest programme clients only. We continue to place mid-market.

Common consultant scenarios

Sole-principal architect on JCT residential. Annual PII limit £500k; contract requires £2m. Options: increase annual to £2m; or arrange project-specific PI on the appointment.
Small engineering firm on NEC PSC. Annual PII adequate for limit; not for duration (annual cycle vs 12-year post-completion). Arrange project-specific PI with the required tail.
Multi-consultant team on JCT DB. Novated designers — SPPI structure bridges novation. Individual annual PIIs may not respond post-novation.
Consultant appointed by BSA-touching project sponsor. 15-year tail required. Standalone SPPI with matching tail.

What Apex does at contract-review stage

Read the specific insurance clauses in the appointment.
Check the consultant's existing annual PII adequacy against the contract requirements.
Identify any gap (limit, duration, scope, wording).
Recommend the most cost-efficient solution — endorsement, project-specific PI, or full SPPI.
Quote and place cover to be in force at appointment date.
Provide the certificate of insurance the contract requires.

Frequently asked

What's the typical PI requirement in a JCT contract?

For consultant appointments, typically £1m-£5m per claim with 6 or 12 years post-practical-completion. Bespoke amendments often raise the bar; employer's requirements may specify higher.

What's the typical PI requirement in an NEC contract?

NEC PSC (Professional Services Contract) typically requires consultant PI cover for a defined post-completion period. Specific limits and structure vary by contract option and employer's requirements.

Can I meet the contract requirement from my annual PII?

Often yes, if your annual PII limit and duration are adequate. Where they aren't, project-specific PI or SPPI is typically required.

How much does project-specific PI cost?

Apex places from £7,000 per project. Exact premium depends on contract requirements, project value, consultant profile, cover limit and tail length.

What if I don't have annual PII at all?

Getting annual PII in place before signing any appointment is the standard route. Some consultants operate on project-by-project SPPI-only cover, but that's a specialist arrangement.

Does BSA 2022 affect JCT/NEC PI requirements?

Yes for higher-risk-building work. Contract PI clauses on BSA-touching projects typically now require 15-year forward tail matching BSA s.135 limitation extension.

Can I arrange PI after signing the appointment?

Very risky. PI cover must be in place at appointment date. Retroactive arrangement is difficult and expensive if available at all. Contract review before signing is essential.

What if the contract requires a specific insurer or rating?

Common in public-sector and large-corporate appointments. Apex's wholesale Lloyd's access plus company-market relationships typically meet most rating requirements. Confirm before signing.

What might your PI premium look like?

A guideline range built from the premiums insurers have actually quoted on risks we handle. Pick your profession and enter a few details — it updates instantly.

Profession

Annual fee income — gross, last 12 months

Limit of indemnity

Any claims history?

Any higher-risk work? — e.g. large or overseas projects

Guideline range — this is not a quote

Choose your profession and enter your fee income to see a guideline range.

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How these figures are produced

This guide is built from Apex's own market data: the premiums insurers have actually quoted and charged on professional indemnity risks we have handled. Each night that data is aggregated into anonymised rate bands by profession, fee income and limit of indemnity. No client information is published — a band only appears where it contains at least five separate records, and unusually high premiums are excluded so a single atypical risk cannot distort the guide.

The range shown spans the typical spread of recent market outcomes for similar risks. Individual quotes can fall outside it in either direction. Figures exclude insurance premium tax at 12%.

This calculator is not a quote and is not an offer of insurance or advice. Your actual premium depends on full underwriting of your business, including your activities, claims record and insurer appetite at the time.