What benefits can my ex claim?

Hi we had our FDR last week and the judge agreed with everything that my solicitor put forward. That the equity in the house should be split 50/50, my ex should keep her inheritance (£100k), that maintenance of £400 should be paid for our 2 children but that I should not have to pay £400 spousal maintenance to her - the the £100 per month as suggested by my sol was more realistic. And that as I was not making a claim against the inheritance then her claim against my pension should be a small one.
There was one area of confusion no-one could say for sure how much benefits my ex would be entitled to. She works 30 hours per week, earns £27,350 p.a. we have 2 children aged 6 and 10 - does anyone have any idea of how this is calculated? I have tried various websites and got different answers.
Her side now want to go to a Final Hearing but after having our argument so wholeheartedly endorsed by the judge - is that a foregone conclusion or can a different judge see things completely differently?

she should be entitled to child tax credits (£113 per week for 2 children i think), and also working tax credits as she''s earning less than £32k per year. But i know the whole tax credit system is changing in April (although from what i have read it may only affect those on housing benefit, but i may be wrong).

i found this to be helpful:

www.turn2us.org.uk/benefits_search.aspx

I like this one too:

www.familyinvestments.co.uk/family-nest/...lator/?view=Standard

Thanks for that I will give it a go.

Does your ex claim benefits at the moment? Mine had been claiming benefits that she shouldn''t have been and I think it was one very large reason the judge removed all maintenance in arrears etc. They don''t take kindly to it and he even chose to report her to the DWP which is obviously not ideal for the children, I don''t know what will happen now.. I bet she is wishing she settled matters at the fdr or beforehand instead of being so greedy. In any case I am mentioning this because there are clear guidelines for claims which you should find in the links above. Good luck!