If you feel you are treated unfairly at work you can take out a formal grievance, setting out why you are unhappy with your employer or your working conditions. ACAS has produced a statutorily recognised Code of Practice on Disciplinary and Grievance Procedures which is worth referring to. However, most most good employers will have their own rules on how a grievance should be raised and dealt with, which are likely to be more detailed than ACAS’s minimum safeguards.
If you ultimately feel you have no alternative but to resign because of your employers' conduct towards you, then your resignation may constitute a constructive dismissal. In such circumstances you can apply to an employment tribunal claiming unfair dismissal. Strict time limits apply: you must normally bring a claim against your employer on Form ET1 within 3 months of the date that your employment terminated.
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