32 years' service not enough to save job after aggressive outburst at work
A process technician with 32 years' service was fairly dismissed for gross misconduct after kicking and throwing his bump cap towards a colleague. The tribunal found the employer's investigation and decision were reasonable.
1 min read · Last updated 18 May 2026
Case details
- #gross-misconduct
- #aggressive-behaviour
- #health-and-safety-breach
- #long-service
- #occupational-health-failing
- #inconsistent-treatment-argument
Key facts
- The claimant was employed as a Process Technician from 2 September 1991 until dismissal on 20 April 2022.
- On 10 March 2022, the claimant kicked and threw his bump cap in an aggressive manner, including throwing it towards a colleague.
- The claimant admitted the conduct at the disciplinary hearing, describing it as an 'out of body experience'.
- The respondent dismissed the claimant for gross misconduct after a disciplinary hearing and appeal.
- The tribunal found the dismissal was fair, as the respondent had reasonable grounds, a reasonable investigation, and the decision fell within the range of reasonable responses.
Timeline
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Employment started
Claimant began working for the respondent as a Process Technician.
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Verbal warning
Claimant received a verbal warning for acting aggressively towards a colleague, Melanie Rolfe.
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Incident
Claimant kicked and threw his bump cap aggressively, including throwing it towards Melanie Rolfe in the office.
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Suspension
Claimant was suspended on full pay pending investigation.
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Sick note
Claimant was signed off work with work-related stress for two weeks, later extended to 14 April 2022.
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Disciplinary hearing
Claimant attended a disciplinary hearing chaired by Neil Chatten, admitted the conduct.
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Dismissal
Claimant was summarily dismissed for gross misconduct.
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Appeal lodged
Claimant appealed the dismissal.
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Appeal hearing
Appeal hearing chaired by Michael Pedder, who upheld the dismissal.
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Appeal outcome
Claimant was notified that the appeal was unsuccessful.
The legal issue
The tribunal had to decide whether the dismissal for gross misconduct was fair under section 98(4) of the Employment Rights Act 1996, focusing on whether the employer's investigation and decision were reasonable in all the circumstances.
The outcome
The tribunal found that Massmould Limited fairly dismissed the claimant for gross misconduct. The key reasons were:
- The claimant admitted the aggressive behaviour, including kicking and throwing his bump cap towards a colleague.
- The employer conducted a reasonable investigation, including suspending the claimant and holding a disciplinary hearing.
- The decision to dismiss was within the range of reasonable responses, even considering the claimant's 32 years of service.
- The appeal process was also reasonable.
No compensation was awarded as the claim was dismissed.
Lessons & takeaways
- Even long-serving employees can be fairly dismissed for gross misconduct if the employer follows a reasonable procedure and the conduct is serious enough.
- Admitting the misconduct at a disciplinary hearing does not automatically make a dismissal unfair; the employer still needs to consider all circumstances.
- Employers should ensure they have a clear disciplinary policy and follow it consistently, including giving the employee a chance to appeal.
- Employees should be aware that aggressive behaviour, especially involving health and safety risks, can justify summary dismissal even after many years of service.
What this case shows
This case demonstrates that even a highly valued employee with more than three decades of service can lose their job in an instant if their behaviour crosses a line. The claimant, a process technician, had worked for Massmould Limited since 1991 and was described as having knowledge 'second to none'. But on 10 March 2022, he kicked and threw his bump cap aggressively, throwing it towards a colleague. He later admitted the conduct, describing it as an 'out of body experience'.
The employer suspended him, carried out an investigation, and held a disciplinary hearing. The decision to dismiss was made by the manufacturing manager, who considered the claimant's long service but concluded that the behaviour was gross misconduct. The appeal, chaired by the operations director, upheld the dismissal.
What the employer did right
The tribunal noted that the employer had a reasonable belief in the claimant's misconduct, based on his admission and witness accounts. The investigation was thorough, and the disciplinary and appeal hearings were properly conducted. The decision to dismiss fell within the 'range of reasonable responses' – the legal test for fairness. Even though the claimant had a previous verbal warning for similar behaviour in 2019, the employer did not treat that as a determining factor.
Why this matters
This case is a reminder that length of service does not give an employee immunity from dismissal for gross misconduct. Employers must still follow a fair process, but if the conduct is serious enough – especially if it involves aggression or health and safety risks – a tribunal is likely to uphold the decision. For employees, it highlights the importance of controlling emotions at work, no matter how long you have been there or how valuable you are.
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