Imagine agreeing to move to a different distribution centre because your employer promises to protect part of your pay. Years later, a letter offers you a lump sum to surrender that protection. If you decline, you may be dismissed and offered the same job without it. What, exactly, did the original promise buy you?
The bargain that made the move possible
During a reorganisation, Tesco agreed retained pay for certain employees who relocated. Its assurances and the contractual wording described the payment as permanent, subject to specified exceptions. Later, Tesco sought to end the arrangement. The union USDAW and affected employees asked the courts to stop Tesco using dismissal and re-engagement to strip out the benefit.
In 2024 the UK Supreme Court restored an injunction. It held that these particular contracts contained an implied term preventing Tesco from exercising its termination power for the purpose of depriving the employees of retained pay. Otherwise the promise that helped secure their agreement to relocate could have been defeated by giving notice. Dismissal for a genuinely different reason remained possible. Read Tesco Stores Ltd v USDAW [2024] UKSC 28.
What counted as permanent?
Try reading the documents in the order the employee received them. First comes the relocation offer. Then the explanation of how long protection lasts. Then the signed variation. Finally there is the new proposal. At each stage ask what the employee gave up or agreed to do, what the employer promised in return and which events were said to end that promise. A benefit paid regularly is not necessarily a benefit promised on the same terms as Tesco’s.
If you receive a proposal to change pay, record when it arrived, whom it covers and the deadline for responding. Ask whether the employer seeks consent, believes an existing clause allows the change, or is considering termination. Those are three different starting points for advice. Contact your union representative if a collective agreement is involved. Get current advice before signing new terms or resigning.
For a different kind of pay dispute, read how a recurring payroll calculation affected holiday pay. For help comparing a proposed change with the original bargain, see our UK employment support.
