Mid-term policy changes · PI

Changing your PI insurance mid-term — when and how

Reviewed by Matthew Bartlett, Director, Apex Insurance Brokers Limited · Published 14 July 2026

Most PI-cover changes happen at renewal. But sometimes mid-term action is needed — a material practice change, a new client contract requirement, a merger, or a discovery of coverage gap. This page maps the mid-term change process.

When mid-term change is needed

Material practice profile change. New practice area, new personnel, new client mix.
New client contract requiring specific cover. Higher limit or specific structure demanded.
Merger or acquisition mid-cycle. Combined-entity cover needed before natural renewal.
Discovery of coverage gap. Wording review reveals gap requiring immediate attention.
Regulator direction. Where a regulator specifically requires cover change.
Personnel departure or arrival materially affecting practice profile.

Types of mid-term change

Endorsement. Formal change to existing policy — adding cover, changing limit, adjusting structure.
Increased limit. Cover-limit raised, typically with premium adjustment.
Additional insured. Named client added as additional insured.
Territorial extension. Cover extended to new jurisdictions.
Named practice-area addition. New scope of work included.
Personnel changes. New director or partner named.

The fair-presentation duty

Material changes must be disclosed to the insurer.
Failure to disclose material changes can void cover on subsequent claims.
Insurance Act 2015 fair-presentation duty applies at variation as well as inception.
Broker's role in ensuring proper disclosure.
Insurer's right to adjust terms following disclosure.

Process for mid-term change

Identify the change and its materiality.
Notify broker with full details.
Broker communicates with insurer, negotiating terms if needed.
Insurer issues endorsement or new certificate.
Premium adjustment applied.
Change effective from agreed date.

When mid-term change can wait until renewal

Non-material changes with no immediate coverage implications.
Changes that will be addressed at renewal within a short window.
Changes where existing cover comfortably absorbs the change.
Changes that don't affect client contract requirements immediately.

When mid-term change can't wait

Client contract requires higher cover immediately.
Merger completion date is before renewal.
Regulator requires cover change with specific timeline.
Coverage gap creates immediate exposure risk.
Personnel change creates specific claim risk.

Frequently asked

Can I change my PI insurance limit mid-policy?

Yes typically. Insurer issues an endorsement adjusting the limit, usually with premium adjustment. Requires insurer consent. Broker manages the process.

Do I have to disclose changes to my insurer mid-term?

Yes for material changes. Fair-presentation duty under the Insurance Act 2015 applies at variation as well as inception. Non-disclosure risks voiding cover on subsequent claims.

Can I add a new practice area to my PI mid-policy?

Yes typically via endorsement. Insurer may adjust premium and/or specific terms to reflect the new activity. Requires insurer consent.

What if I'm merging with another firm and need cover immediately?

Combined-entity PI usually arranged as part of the merger process. Mid-term structuring possible but timing needs to precede completion. Discuss with specialist broker well in advance.

Can I switch broker mid-term?

Yes with insurer consent via broker-of-record letter. Ongoing policy stays in force; only intermediary changes. See our 'when to change PI broker' page for detail.

What triggers a premium adjustment mid-term?

Cover-limit increase, new practice area, additional insured, territorial extension, material personnel change. Insurer assesses and adjusts. Broker negotiates.

Can I add a client as additional insured mid-term?

Yes via endorsement. Confirm insurer will accept the specific client. Typically no or nominal premium impact for corporate additional-insureds.

What if I discover a coverage gap mid-policy?

Immediate broker notification. Endorsement to close the gap where possible. Where the underlying policy can't be modified adequately, standalone cover for the gap may be arranged.

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.

Get an actual quote →

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.