Thanks everyone. I think by the sounds of it i am entitled to maintenance and he has got off lightly these last couple of years. He has scared me into thinking i should be grateful for 1/2 towards the mortgage but i know in 5yrs once the house is paid off he will demand it goes up for sale so really he is just paying towards a sort of savings fund. I think i will ring the child support agency this week and get the ball rolling. Its the principle more than anything, he is 1/2 his responsibility so he should contribute financially towards what our son needs.