How to apply for Carer's Allowance
You can make a claim for Carer's Allowance online at gov.uk. You'll need to gather information about yourself such as your National Insurance number, any employment or course of study you're undertaking, as well as information about the person you care for before making a claim.
If you'd prefer to apply by post, you can telephone to ask for a claim pack:
Carer’s Allowance Unit
0800 731 0297
0800 731 0317 (textphone)
Carer’s Allowance can be backdated to the start of your DLA or PIP award as long as long as you claim within 3 months of receiving the DLA/PIP decision. If you don't claim during this period, payments can only be backdated for a maximum of 3 months.