childcare element and Housing Benefit. I hope someone will be able to help I'm a single parent and i have recently started using a childminder. So i have been able to claim childcare element of the working tax credit.I got a letter today from the housing benefit office saying because my tax credits have gone up because i am claiming for the childcare they are changing the amount they are giving me.hildcare element and Housing Benefit. I hope someone will be able to help I'm a single parent and i have recently started using a childminder. So i have been able to claim childcare element of the working tax credit.