If you're here, your relationship's broken down. So you already know what to do next, don't you? If you're looking for advice on splitting the assets, don't ask me, see a lawyer.
Wherever you are, that's exactly where you want to be, or you wouldn't be there. Whatever you're doing is exactly what you want to be doing, otherwise you wouldn't be doing it. There is nothing to fix and no problem to solve. That will be £300.