Many thanks for your patience. Whilst you are not protected against unfair dismissal, which means you cannot challenge the dismissal itself, you will have certain legal and contractual rights in terms of what you can expect to be paid on termination.
Under contract you have the right to receive a month’s notice at this stage so that is the first thing you should get. The employer can either pay you in lieu of notice and send you on your way immediately, or they can ask you to work that notice period.
You will have the right to be paid for the accrued holidays as well, unless the employer asks you to take them as part of your notice period. So for example, if you are asked to work your month’s notice period, the employer can nominate 8 days during that month which you must take as holidays and then they will not have to pay you extra on top of the notice period.
As for overtime pay, the contract does not provide for any overtime pay and if your accrued overtime was given back to you as time off in lieu at the end of the year then you have no automatic right to be paid for that now - the employer has the discretion of paying you for it so you have nothing to lose by asking, but if they refuse you cannot force them to and the only way to have received that time back is to have remained in employment when it was given back to you. If you leave beforehand, even if due to dismissal, you cannot just expect to be paid for it unless your contract specifically gave you that right.
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