no, he does have to contribute to housing your daughter though. How big is the house? Is it reasonable for 2 people to live in or is it bigger than that?
perhaps the best thing to do would be to sell the house and start afresh with something smaller, now that there are only the 2 of you. There are so many variables, its impossible to answer really, you must be guided by your solicitor. For example, depending on how much you earn, you might have to pay a bigger share