What is a good salary to aim for?

victoriaxoxo
I am a recent law graduate from one of the top law schools in the world. I hated studying law and am no longer pursuing it as career. Needless to say, I graduated with a mere 2.2 (57%). I also have completed a business management course in Tokyo which I got 88% on. I have some experience in marketing, retail and law. Now I have been pursuing a career somewhat related to quantity surveying/cost estimating as that is what I find interesting. Realistically, what do you think is a good salary to aim for? I live in London by the way and would be working there too.
Thanks!
What is a good salary to aim for?
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