how much maintenance /mortgage contribution should I get?

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Partner and I separating (not married). House is 75% his, 25% mine and mortgaged. Plan is for me to stay in house and him to rent locally. DS (5) will stay with him 3 nights and me 4. In your views, is it fair for him to pay half of the mortgage (given he's contributing to his own equity, and he'll get 75% of this when we sell) as well as pay the CSA recommended rate of child support? Any views much appreciated. Thanks

Personally I wouldn't think this is fair. He has to rent somewhere for himself, which also has room for your DS to spend practically 50% of his time (so would need his own room etc). He is paying you CSA despite having DS half the week, I think you are being greedy TBH expecting him to pay that as well!

I think the usual thing if you aren't selling the house now or buying him out, is that in the future when the house is sold the amount you have paid since the separation would be ignored, he would then have 75% of the rest.

yes, he can just afford another place. Thanks for all your views.