How's the comp? From HN I had gotten the feeling that the UK was worse than most of western europe in that regard.
Upper ranges for all levels accross the very highest paying employees are £100-400k when including bonuses usually. Usually these are quant/quant-dev jobs and FAANG.
I suspect it's because people on PAYE tend to think of their basic salary + bonus + income tax, but disregard NICS, pension, paid holidays, and other benefits. They end up reporting a total package that's 10-20% lower than it actually is.