In this example, the employee was a Director of a large building supplies company, and he found his package of benefits was changed unilaterally. He had to quit and submit this grievance (plus a grievance appeal letter which is presented separatey) to end up with an excellent settlement package. Possible claims included constructive dismissal, breach of contract & disability discrimination.
Download this template and adapt it for use in your own UK workplace dispute. Best used if you want to leave your job with a decent settlement agreement exit package, as often raising a grievance is not too popular with a boss!