Is this possible I heard they cut your universal credit then add on a carers element not allowance?
Yes.
An online benefits calculator will reveal under UC … once you crunch the numbers in :
https://www.entitledto.co.uk/
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Carers Element. You can get this addition of £160.20 per month if you are caring for a severely disabled person for at least 35 hours a week.
You do not have to claim Carer’s Allowance to get this element.