More than 3,000 Tesco warehouse workers and HGV drivers are being balloted by Unite over a pay dispute. The workers are based at distribution centres in Belfast, Didcot, Doncaster and Thurrock.
According to Unite, distribution workers rejected a 4% pay offer after Tesco store employees received a 5.1% increase. The industrial-action ballot closes on 17 August 2026.
No strike dates have been announced, which means disruption and empty shelves are possible outcomes rather than confirmed events.
The dispute matters because the four affected distribution centres supply Tesco stores across different parts of the UK.
However, a ballot is not the same as a confirmed walkout: members must first vote, the result must satisfy the applicable legal requirements, and the union may continue negotiating with Tesco before deciding whether to call industrial action.
Unite Tesco Strike Ballot Summary:
| Key point | Confirmed position |
| Union | Unite the Union |
| Employer | Tesco |
| Workers being balloted | More than 3,000 warehouse workers and HGV drivers |
| Estimated total by site | Around 3,100 workers |
| Distribution centres | Belfast, Didcot, Doncaster and Thurrock |
| Distribution-worker pay offer | 4% |
| Increase reportedly given to store staff | 5.1% |
| Difference | 1.1 percentage points |
| Ballot closing date | 17 August 2026 |
| Strike dates announced? | No |
| Tesco 2025/26 adjusted operating profit | £3.194 billion |
| Tesco 2026/27 profit forecast | Between £3 billion and £3.3 billion |
Unite announced the ballot on 23 July 2026. Tesco’s official financial results report adjusted operating profit of £3.194 billion for 2025/26, commonly rounded to £3.2 billion, and forecast adjusted operating profit of between £3 billion and £3.3 billion for 2026/27.
Why Are Tesco Distribution Workers Voting on Strike Action?
The central issue is the difference between the pay increase offered to warehouse and distribution employees and the increase received by store staff.
Unite says the warehouse workers and HGV drivers rejected a 4% pay increase, while Tesco store employees received 5.1%. Distribution workers subsequently voted overwhelmingly in a consultative ballot in favour of moving towards formal industrial action.
A consultative ballot is generally used to measure members’ views before or alongside the formal legal process. It can demonstrate the strength of feeling among workers, but it does not itself authorise a strike.
The dispute therefore concerns:
- The size of the annual pay increase
- Perceived differences between distribution and store employees
- Rising household and living costs
- Tesco’s profitability and capacity to improve its offer
- Recognition of the operational importance of warehouse and HGV workers
Unite general secretary Sharon Graham argued that Tesco’s profitability, shareholder distributions and executive remuneration strengthened the case for a better settlement for distribution employees.
Tesco’s reported profits provide financial context, but they do not automatically determine what pay increase workers are legally entitled to receive. ders can review Unite’s official announcement about the Tesco distribution workers’ ballot for the union’s full position.
Which Tesco Distribution Centres Are Involved?
The Unite ballot covers workers at four major Tesco distribution locations.
Didcot
Approximately 700 workers at the Didcot distribution centre are included in the ballot.
Belfast
Around 400 Belfast workers are involved. As Belfast is in Northern Ireland, employment and industrial-relations procedures may not always operate identically to those in England.
Doncaster
Approximately 600 workers at the Doncaster site are being balloted.
Thurrock
The largest group is at Thurrock, where around 1,400 workers could take part in industrial action.
Together, the figures provided by Unite amount to approximately 3,100 warehouse workers and HGV drivers.
These employees perform essential supply-chain functions, including receiving goods, preparing store orders, loading vehicles and transporting stock to supermarkets.
Has a Tesco Strike Been Confirmed?
No. As of 24 July 2026, a Tesco strike has not been confirmed.
Workers are currently being asked whether they support industrial action. The ballot closes on 17 August 2026, after which Unite will be able to assess the result and decide its next steps. Unite’s announcement did not specify any potential strike dates.
Under industrial-action rules, a trade union must conduct a valid ballot before calling official strike action. A successful vote gives the union the ability to call action, but it does not require the union to begin a strike immediately.
Negotiations can continue after a ballot result, and an improved offer could prevent a walkout. national officer Adrian Jones said there was still time to avoid industrial action, but that doing so would require Tesco to make an acceptable offer. 3search1
Could Tesco Stores Face Empty Shelves?
Some stores could experience delayed or reduced deliveries if workers at several distribution centres walked out simultaneously. Warehouse employees and HGV drivers are critical to moving food, household goods and other products from distribution hubs to individual supermarkets.
Possible effects could include:
- Fewer deliveries reaching affected stores
- Delays replenishing fast-selling products
- Temporary shortages in particular product categories
- Greater pressure on other Tesco distribution centres
- Changes to delivery routes or schedules
However, claims that Tesco stores will definitely have empty shelves should be treated cautiously. Unite used the risk of empty shelves to describe the potential operational impact of a strike, not to confirm that shortages will occur. 3search1
The actual effect would depend on several factors, including the number of workers taking part, the length and timing of any action, Tesco’s contingency planning, available stock and whether other distribution facilities could support the affected areas.
How Large Is the Difference Between the Two Pay Increases?
The reported difference between the offers is 1.1 percentage points:
- Distribution workers: 4%
- Store workers: 5.1%
- Difference: 1.1 percentage points
Although the numerical gap may appear limited, its cash value increases with an employee’s salary and continues to affect future earnings when percentage increases are applied to the new salary.
Illustrative Pay Example
For an employee earning £35,000 a year:
| Increase | New annual salary | Annual increase |
| 4% | £36,400 | £1,400 |
| 5.1% | £36,785 | £1,785 |
| Difference | — | £385 |
This example is illustrative only. It does not represent the actual salary, contract, overtime arrangements or pension position of any Tesco employee.
The dispute may also involve broader concerns about equal recognition between occupational groups rather than the cash difference alone.
Why Are Tesco’s Profits Relevant to the Dispute?
Unite has highlighted Tesco’s financial performance when arguing that the supermarket can afford to improve its offer.
Tesco recorded £3.194 billion in adjusted operating profit for 2025/26. The company expects adjusted operating profit of between £3 billion and £3.3 billion for 2026/27, although forecasts are not guaranteed results.
It used operating profit is an alternative performance measure used by Tesco to show underlying business performance after excluding specified adjusting items.
It should not be confused with revenue, cash held in the bank or the amount automatically available for employee pay.
Profit figures are relevant to negotiations because they provide evidence about an employer’s overall financial position. However, pay decisions may also take account of operating costs, investment requirements, pension obligations, market competition, productivity and long-term business planning.
What Happens After the Ballot Closes?
The ballot closes on 17 August 2026. Several outcomes are then possible.
Workers Vote Against Industrial Action
If the ballot does not produce the required support, Unite will not be able to call official strike action on the basis of that ballot. The union could still continue pay negotiations with Tesco.
Workers Vote for Industrial Action
A successful ballot would give Unite a mandate to call industrial action, subject to the applicable legal and notice requirements. The union could announce strike dates, action short of a strike or a combination of measures.
Tesco Makes an Improved Offer
Tesco could make a revised offer before or after the ballot closes. Unite may then consult or ballot affected members on whether to accept it.
Negotiations Continue Without Immediate Action
A positive strike vote can strengthen a union’s negotiating position without immediately resulting in a walkout. The parties could continue discussions while the mandate remains available.
A similar Tesco distribution dispute in 2021 ended after an improved offer was made and Unite suspended planned strike action.
That historical outcome does not predict what will happen in 2026, but it shows that an industrial-action mandate can lead to further negotiations rather than an automatic stoppage.
What Should Tesco Customers Do?
Customers do not need to make immediate changes because no strike dates have been announced.
Reasonable steps include:
- Checking Tesco’s official service updates if action is confirmed
- Avoiding panic buying or unnecessary stockpiling
- Allowing flexibility for online grocery substitutions
- Checking product availability before making a special journey
- Using alternative local retailers where an essential product is unavailable
Buying unusually large quantities can place additional pressure on store availability and may create shortages that would otherwise not occur.
Final Takeaway
The Unite union Tesco strike ballot involves more than 3,000 warehouse workers and HGV drivers at four important distribution centres. The dispute centres on a 4% pay offer that Unite says is below the 5.1% increase received by store employees.
The ballot closes on 17 August 2026, but no strike has yet been confirmed. A vote for industrial action could increase the risk of disruption to Tesco’s supply chain, although claims of nationwide empty shelves remain a warning rather than a guaranteed result.
The most important developments to watch are the ballot outcome, any revised pay offer from Tesco and whether Unite subsequently announces formal industrial-action dates.
Frequently Asked Questions
When does the Unite Tesco strike ballot close?
The industrial-action ballot closes on 17 August 2026. Unite is expected to assess the result before deciding whether to announce further action.
How many Tesco workers are being balloted?
More than 3,000 warehouse workers and HGV drivers are included. Unite’s individual site figures total approximately 3,100 employees.
Which Tesco distribution centres could strike?
The ballot covers workers at Belfast, Didcot, Doncaster and Thurrock distribution centres.
Why have the workers rejected Tesco’s pay offer?
Unite says the employees rejected a 4% increase because it was lower than the 5.1% increase reportedly provided to store staff.
Are Tesco delivery drivers included?
The affected workforce includes HGV drivers involved in distributing products from Tesco’s logistics centres to stores.
Have Tesco strike dates been announced?
No strike dates had been announced as of 24 July 2026. The ballot must close before Unite confirms its next steps.
Will online Tesco deliveries be affected?
There is no confirmed impact at present. If industrial action takes place, disruption to the wider distribution network could potentially affect stock used for store-based online orders, but this would depend on the location and duration of the action.
Could the Tesco strike be cancelled?
Yes. Industrial action could be avoided if Tesco and Unite reach an acceptable settlement or if workers do not vote in favour of action.
Is the 4% pay rise confirmed?
The 4% figure is reported by Unite as the offer rejected by the affected distribution workers. Readers should distinguish the union’s account from any separate detailed pay information subsequently published by Tesco.
Where can Tesco employees get advice?
Affected employees should rely on direct communications from Tesco, their recognised workplace representatives and Unite. Individual employment questions may depend on contracts, union membership, location and the form of any action.
Note: This article has been reviewed against official Unite the Union, Tesco plc and UK employment-relations guidance.