My partner was ordered by court a couple years ago to pay his ex £400 per month as maintenance until she dies or remarries when the ex retires next year at 66. He found out that she had inherited £300k earlier this year. He is applying for the variation of the court order as she is now financially better off than him. He says it will cost him 20k and he already has the first hearing date. Is it worth ? What is likely to happen as the outcome ? They were married only for 9 years later in their life and no children was involved. She claimed she was too depressed to work at the time of their divorce.
I would think the most obvious answer is that if £400 multiplied by the number of months your partner has to pay until retirement equals less than the expected legal costs, it wouldn't be worth fighting it. Ie if he only has to pay for another 10 months, it will cost him £4000 in payments.