This guide is maintained as a current resource for July 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Detailed UK guide to discrimination in promotion decisions explains legal protections under the Equality Act 2010, direct and indirect discrimination, positive action in promotions, employment tribunal claims, remedies and practical guidance for employers and employees.
Promotion decisions - who gets advanced to a higher position within an organisation - are fundamental to career progression and morale in the workplace. In England and Wales, promotion decisions are subject to the same legal protections against discrimination as recruitment and employment practices generally. The Equality Act 2010 prohibits employers from treating employees less favourably because of a protected characteristic. This article explains how discrimination law applies to promotions, outlines what constitutes unlawful treatment, describes lawful exceptions such as positive action, and guides both employees and employers on rights, processes, time limits, and practical compliance measures.
Discrimination Law and Workplace Promotion
Under the Equality Act 2010, it is unlawful for an employer to discriminate against an employee because of any of the nine protected characteristics: age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, and sexual orientation. Discrimination can occur at any stage of the employment lifecycle, including when an employer considers training, development and promotion opportunities.
Types of Discrimination Relevant to Promotions
Direct discrimination arises when an employee is treated less favourably in promotion decisions because of a protected characteristic - for example, overlooking a female employee for a managerial role simply because of her sex. Indirect discrimination can occur where a promotion policy or criterion applies equally to all but has a disproportionate adverse impact on people who share a protected characteristic and cannot be objectively justified. Promotions may also involve unlawful victimisation or harassment if related conduct breaches the Equality Act.
Legal Standards for Promotion Decisions
Selection Must Be Based on Merit and Objective Criteria
Promotion decisions should be made on objective, job‑related criteria such as performance, experience, skills and potential for the new role. Employers should ensure that appraisal systems, performance metrics and selection panels apply these criteria consistently to avoid discriminatory effects. Decisions that hinge on stereotypes or assumptions about a protected group are likely to be unlawful.
For example, automatically excluding part‑time workers from consideration for senior roles without justification may disproportionately affect women who work part time for caring reasons and could amount to indirect sex discrimination. Employers must ensure criteria are justified as a proportionate means of achieving a legitimate aim if they have a differential impact.
Positive Action and Promotion
The Equality Act 2010 includes provisions for lawful positive action in relation to recruitment and promotion, contained in section 159. These allow an employer to treat candidates with a protected characteristic more favourably than others only in narrow circumstances:
- where persons with that protected characteristic are under‑represented in the workforce or suffer a disadvantage in relation to promotion;
- and where the candidates being compared are as qualified as each other;
- the positive action taken must be a proportionate means of addressing the disadvantage or under‑representation.
Positive action is not mandatory and does not permit appointing a less suitable candidate simply because they share a protected characteristic. It is a tie‑breaker mechanism that can be used only when candidates are of equivalent merit. Blanket policies that routinely favour one group are unlawful.
Examples of Discrimination in Promotion Decisions
Discrimination in promotion may take various forms, including:
- Passing over a qualified applicant due to age or sex stereotypes (e.g. assuming older workers are less adaptable).
- Using performance metrics that disadvantage certain groups without justification (e.g. requiring a pattern of office presence when flexible working is a reasonable adjustment for a disabled employee).
- Applying subjective assessments that hinge on assumptions about an employee's personal life (e.g. penalising an employee for potential family commitments).
If an employer's practices systematically disadvantage a group of employees, this may give rise to a claim of indirect discrimination unless the employer can justify the practice.
Making a Claim: Employment Tribunal Process
Protected Claims and Time Limits
Employees who believe they have been unlawfully discriminated against in relation to promotion can submit a claim to an employment tribunal. Discrimination claims under the Equality Act do not require a minimum period of service; an employee can bring a claim regardless of how long they have worked for the employer.
Tribunal claims generally must be presented within three months minus one day from the date of the alleged discriminatory act (such as the date the promotion decision was communicated). Missing this time limit can result in the claim being rejected, although tribunals may allow a late claim only in exceptional circumstances.
Burden of Proof in Tribunal Claims
In a discrimination claim, the employee must first establish facts from which a tribunal could conclude there was discrimination. If the claimant does so, the burden of proof may shift to the employer to show that the decision was based on a non‑discriminatory rationale, such as objective, job‑related criteria applied consistently to all candidates.
Remedies and Compensation
If a tribunal finds that unlawful discrimination occurred in relation to a promotion decision, remedies may include:
- Compensation for injury to feelings to address the emotional impact;
- Compensation for financial loss, such as lost earnings or benefits due to the missed promotion;
- Recommendations requiring the employer to revise their policies or practices to prevent future discrimination.
There are no statutory compensation caps on discrimination claims, meaning awards can be significant when discrimination has had a substantial impact.
Practical Steps for Employers
Develop Fair Promotion Policies
Employers should ensure that promotion policies:
- are based on clear and objective criteria linked to job requirements;
- are consistently applied across candidates;
- allow for reasonable adjustments for disability or other needs;
- are accompanied by training for managers on unconscious bias and legal obligations. Consistent documentation of decision‑making and the rationale for promotion outcomes helps reduce legal risk.
Monitor Promotion Outcomes
Regularly analysing promotion outcomes by protected characteristic can help identify patterns of disadvantage. If certain groups are under‑represented in promoted positions, employers can explore positive action measures such as mentoring, tailored development programmes or targeted training to address barriers without breaching discrimination law.
Common Questions
Can an employee claim discrimination if they were not promoted because of absence for maternity leave?
Yes. If the reason for not promoting an employee is linked to a protected characteristic such as pregnancy or maternity leave, this may be unlawful direct discrimination unless objectively justified.
Is a manager's unconscious bias unlawful?
Unconscious bias itself is not a legal term, but outcomes influenced by stereotypes or assumptions about protected characteristics can lead to unlawful discrimination if they result in less favourable treatment. Objective criteria and structured assessment tools can help mitigate this risk.
Can positive action be used to promote employees?
Yes, but only where candidates are equally qualified and taking action is a proportionate way to address under‑representation or disadvantage. It cannot be used to promote a less suitable candidate over a genuinely better‑qualified one.
Summary
Promotion decisions in the workplace must comply with the Equality Act 2010. Employers must avoid both direct and indirect discrimination based on protected characteristics when making decisions about advancement. Selection should be merit‑based, transparent and consistently applied. Lawful positive action may be used in limited circumstances to address under‑representation, but cannot justify appointing less suitable candidates. Employees who believe they have been discriminated against in promotion decisions can bring claims to an employment tribunal, subject to statutory time limits and legal tests. Employers should ensure robust policies, training and monitoring procedures to support fair and lawful promotion practices.
