Me and my ex partner separated 2 years ago after a 15 year relationship. We purchased a house in 2004 (my mom and dad paid the deposit) we went on to have 3 children. My ex pays £50 per week for the children but refuses to contribute towards the mortgage. I want to buy him out so as to secure mine and the children's future. There is £40,000 equity in the property would I need to offer him 50%. If I do go through a solicitor and he refuses the offer what is the likely outcome if I take the matter to court?