My husband and I divorced several years ago. The court award was a simple split of assets, 60:40 in favour of my ex-husband, in part because he assured the court he would be looking after our daughter, who was then 19. (In arithmetical terms, 60:40 means that, for every £40 I received, he got £60, so my ex-husband was awarded 50% more capital than me.)
The divorce court award also allocated, by agreement, some capital to all three of our children, two of whom were already keen to buy a flat. Because this money came from the family assets, it was regarded as a joint gift, funded 60:40 by the separating parents.
My ex-husband hasn't kept to his assurances, and I have had to fund a stream of my daughter's expenses, such as her mobile phone and private healthcare. Now the relationship with her father has almost totally broken down and she is desperate to leave his house.
The problem is that, despite him being a wealthy man, he is only prepared to match any capital gift from me to her 50:50.
Do I have any argument in law to insist on the same 60:40 split of donations, as was the case for the capital given to the children awarded at the time of the divorce?