Been putting off asking my boss about a raise now it’s too late

Same old story , someone from our office left last September and I took on all his work. I spoke to my boss last year and he said would sort in April in new financial year. Things happened and needed to take but of time off to look after my Ill father and other bits so every time I was going to ask for a raise something came up.

Last few weeks nothing has come up and I find out that the company is planning to lay off some staff due to a loss of a contract.

I work 5 days a week, I am salaried so don’t get a penny more for working extra which I always do. I am on call 24/7 now , I deserve a raise but now I’m fearful for my job I dare not ask

Sorry it’s not the justice boner that everyone likes on here but just wanted to give a cautionary tale.

Definitely on the look out for another job.