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So it seems your net income is ballpark £30k a month, your expenses/spending is a very large fraction of that and you've got less than £100k in cash/whatever?
You can be forgiven for not foreseeing a massive global pandemic but it doesn't seem like £4k/mo from the government is going to make much of a dent in your problem.
As Howard says: financial planner, maybe they can salvage something for you
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