on the gov.uk benefits site search living abroad and it brings up various options i input moving to spain and the following was the result.
UK benefits if you’re going or living abroad
You can carry on getting Attendance Allowance, Carer’s Allowance, PIP (daily living component) or Disability Living Allowance (care component).
The mobility portion of PIP and DLA are not exportable.
Tell the Exportability Team at the Pension, Disability and Carers Service that you’re moving abroad.