Performance management has always been a legal minefield for UK employers. But in 2026, the stakes are rising significantly. The Employment Rights Act 2025 is reducing the qualifying period for unfair dismissal from two years to six months — expected from January 2027 — and the existing cap on unfair dismissal compensation is being removed. From that point, any employee hired from approximately July 2026 onwards could have full unfair dismissal protection within their first six months, and compensation awards will be uncapped.
For businesses that manage performance informally, inconsistently, or without proper documentation, this is an urgent wake-up call. Here is what fair performance management looks like in 2026 — and how to make sure your approach is ready.
Clear Expectations From Day One
Performance management does not begin when things go wrong. It begins on the first day of employment. Every employee should know from the outset what is expected of them — not in vague terms, but specifically: what does success in this role look like? What are the measurable objectives? How will performance be assessed and reviewed?
With the unfair dismissal qualifying period reducing to six months, new starters will have legal protection much earlier than before. Employers who cannot demonstrate that clear expectations were set from the beginning will find it very difficult to take any performance action within the first few months of employment.
Regular, Documented Performance Reviews
Annual appraisals are not sufficient. Effective performance management in 2026 requires regular, documented check-ins — ideally monthly or quarterly — at which objectives are reviewed, feedback is given, and any concerns are raised and recorded. These conversations should be two-way: giving the employee the opportunity to raise their own concerns, flag any barriers to performance, and discuss their development.
The documentation of these reviews is essential. In any performance-related dismissal, the employer needs to demonstrate a pattern of performance concern and a structured response over time — not a sudden decision made without prior warning.
Early and Constructive Feedback
One of the most common performance management failures is the delayed feedback problem: a manager who has been privately frustrated with an employee’s performance for months, has said nothing formally, and then initiates a PIP or disciplinary process that the employee experiences as coming out of nowhere. This not only damages the relationship — it fundamentally weakens the employer’s legal position.
Fair performance management requires timely, specific, and constructive feedback. When performance concerns arise, they should be raised promptly — informally first, then formally if the concern persists. The employee must always be given a genuine opportunity to understand what the issue is and to improve.
The Formal Performance Improvement Plan
Where informal intervention has not resolved a performance concern, a formal Performance Improvement Plan (PIP) is the appropriate next step. A fair PIP in 2026 should include: specific, measurable performance targets; a realistic timeframe; details of the support the employer will provide; regular review points; and a clear statement that failure to improve may result in further disciplinary action, up to and including dismissal.
The PIP should be presented in a formal meeting at which the employee has the right to be accompanied. It should be provided in writing. And the review meetings during the PIP period should be documented as carefully as the PIP itself.
Considering Health and Disability Before Taking Action
Before initiating formal performance proceedings, employers must consider whether the performance concerns could be connected to a health condition or disability. Under the Equality Act 2010, if the condition amounts to a disability, the employer has a duty to consider reasonable adjustments — which may include amended targets, additional support, or a longer timeline for improvement.
Failing to consider this dimension before taking formal performance action is one of the most common mistakes employers make, and it can turn a defensible performance situation into an uncapped disability discrimination claim.
Consistency Across the Workforce
Performance management must be applied consistently. If similar levels of underperformance are managed very differently for different employees — and particularly if the employees being treated differently come from different protected groups — the inconsistency becomes evidence of discrimination. HR oversight of performance management decisions, to ensure consistency across managers and teams, is increasingly important as the legal landscape tightens.
Preparing for January 2027
The most important thing UK employers can do in 2026 is get their performance management framework in order before the January 2027 changes take effect. This means: ensuring all managers understand how to manage performance fairly and consistently; having a documented process for PIPs and capability proceedings; reviewing probationary review processes for new hires; and ensuring HR oversight is in place for all formal performance decisions.
Clear Path Solutions provides performance management frameworks, manager training, and HR support for UK businesses preparing for the 2026–2027 employment law changes. Contact us: sales@clearpathuk.co.uk | 07544 732980
