Salary advice (London, UK)

As mentioned previously, I have been able to qualify as an acca member in the Sep 24 session.

My manager has offered me the following salary to continue at my current job.

£50k base £4k bonus

All backdated to January 25.

I have three years of experience in total (am 24 years old) and wanted advice on whether I should take this offer, or move forward looking for a different role.

Any advice would be greatly appreciated.