Seemingly for every 12 jobs that are created in London there is only 1 job created anywhere else in the UK. That will tell you something.

Increasingly so because the UK economy is strengthening, especially in London.

Yes if you are not too fussy about the sort of job you do. The problem is that renting accommodation is expensive

is it very expensive to rent? there would be 2 of us renting together.

Yes, but not for you