Does MissFancyPants not have a washing machine?
With the house, try to think about what you want and what's best. I know it's hard when you know what DD wants, but you are the one paying and you are the one that needs to be able to 'move on'. If you can stay in the house and not depend on his money to pay the mtge, then there's no rush to decide is there :)
Of course he needs to contribute - but if it was me, I'd want to live within 'my' means and have the money from him to pay for the 'nice but not essential' things - just so I wouldn't have to worry about what he's doing job wise and if he'll pay.
Shall we run a book on him telling DS/DD/you that
maybe you need a notebook to write these things in so that you can show him/DD that you are one step ahead of him :)
We need to know about the hankies 
You can whinge as much as you like - it's your thread 
Saffy asked if he's paying the amount he'd have to pay via the CSA - I presume he is as it's a paultry 15%, but DD costs more than that to run :) as well as the house etc which he's just walked out of... he should be contributing to bills etc until mediation at least. What does your SOL say??
You need a re-think - he has NOT wrecked the lives of 4 people - you all still have great lives and they can be better going forward. He has only 'wrecked' them, if you allow him to
Need nurofen, have a pounding headache.