LA taking full Care component for over night care

Hi

My step son (29) whom lives with us has severe needs including peg feeding , he is receiving over night care 12 nights a year, the LA provide the money for this in his care package and he gives £11 a month towards this, they now propose to take his full care component of pip to pay for this over night care.
Is there another place that helps with costs for over night care?

Thank you