First year basic salary is about £42000, allowances will make this up to around £55000 so I am led to believe. Take home per month between 3000-3500.
Annual increments are about 2300pounds on Long Haul, so a year 10 Long Haul FO basic is 63000, year 20 is 86000, 24 is the top pay point and pays 95000 for FO. Add a third onto basic salary when (if) you make command.
See
www.ppjn.com for further details.
Good Luck