Go and see a solicitor or barrister for advice . She won’t get all the house and she won’t get all your pension.
There’s no firm answer in finances as nothing is formulaic unlike child support .
My ex took over a year to come to an agreement with me . Nearly 18 months so it would
Have been a lot quicker and cheaper for me just to go to court . If you do , use a direct access barrister , solicitor will just fill in all the forms you can do yourself and charge through the nose just to send to barrister anyways ..