Tesco has suffered a major setback in its long‑running equal pay battle after the Court of Appeal rejected its challenge to the way tribunals assess the value of shop‑floor jobs. In a judgment handed down on 12 May 2026, the court dismissed the supermarket’s appeal over the method used to determine the “job facts” of customer assistants and warehouse operatives in a multi‑million‑pound equal pay claim brought by around 16,000 workers. The ruling is expected to have significant implications for Tesco and other UK employers facing similar disputes.

At the heart of the case is whether work done by mainly female store workers can be compared in value to that of mainly male distribution staff for equal pay purposes. Tesco argued that the Employment Tribunal had applied the wrong approach when assessing what tasks these roles actually involve, and therefore how demanding they are. The supermarket wanted a narrower interpretation that would have made it harder for claimants to establish that the jobs are of equal value.

The Court of Appeal disagreed, upholding the Tribunal’s method. Judges accepted that Tesco operates in a highly regulated environment and uses detailed digital stock systems and comprehensive training materials to ensure that work is carried out consistently across its stores and depots. In that context, they found it reasonable for the Tribunal to treat Tesco’s own documents as strong evidence of what staff are required to do, unless there is clear proof to the contrary.

Employee‑side law firm Leigh Day, which represents many of the claimants, welcomed the decision. It said the ruling confirms that large employers cannot easily downplay the duties set out in their own training manuals and job descriptions when facing equal value claims. Campaigners see the judgment as an important step in a broader push to close pay gaps between men and women doing different kinds of work within the same company.

Tesco’s defeat at the Court of Appeal does not end the equal pay litigation, but it shapes how the next stages will unfold. The case will move forward using the Tribunal’s job‑assessment approach, potentially bringing the parties closer to a point where liability and compensation must be addressed. With tens of thousands of similar claims also lodged against other supermarkets over the last decade, legal observers say the ruling may influence how those disputes are argued and resolved.

For employers, the judgment is a reminder of the risks of under‑estimating the equal value process. Courts are willing to scrutinise internal documentation and expect consistency between how companies describe roles for training and compliance purposes and how they portray them in litigation. Businesses with large, gender‑segregated workforces are likely to face continued scrutiny of their pay structures, job evaluations and justifications for differences in pay.

For affected Tesco staff, the decision is a morale boost after years of legal wrangling. Many claimants argue that they have been underpaid compared with male distribution workers despite their roles being at least as demanding in terms of skill, effort and responsibility. The Court of Appeal’s ruling does not guarantee a final win on equal pay, but it keeps their claims firmly on track and increases pressure on the supermarket to consider settlement options.