Good for you Trudy. As others have said, there is practical and financial help available but it's rarely given unless the kinship carer asks for it. The links given by nigelp above will be helpful.
It'd be great if you could meet other kinship carers, there may be a group in your area. If you're lucky enough to still have Family Centres near your home, they will run groups etc where you may meet other kinship carers.
Best of luck 
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