I think you shouldn't be dazzled by the numbers, many high street lawyers do not earn high salaries, particularly in criminal, conveyincing and family,
My daughter did her law degree, at a Russel group, came out with a first, is working at a top ten law firm as a paralegal whilst doing her lpc and starts her training contract with one of the really big global ones next summer, the salary is high on qualifying, but even with a first she didn't get a training contract easily, and many of her peers, who also got firsts, have not yet achieved it. It's rejection after rejection.
She didn't go for high street firms as she wanted commercial, but she was very aware the salaries at the high st firms was not high, it was a lot of hours, and the training not always perceived as strong.
I'd really think about this if I was you. You possibly need to do a law conversion course to be a paralegal at least, and considering your lpc. I don't know of any companies that hire paralegals with no legal knowledge and I'm sure if they do, then they probably aren't paying great wages or particularly good firms.
Her salary as a paralegal in her first year, with bonus, was approx 25k, and this her second and final year before moving to a training contract it will be the same, as although she had a large salary increase she won't get her bonus as she will leave before it's due. As you can see from above, some trainee solicitors at high st firms earn not much more than min wage and less than some junior paralegals.
All I can say is watching her progress is it's been a lot of work. This isn't an easy route to take.