Hi Andy Hale
I would advise you to use the Citizens Advice Help to Claim service. Their phone number is on page 2 of your Managed Migration letter. Here is a recommendation from a Forum member --
www.benefitsandwork.co.uk/kunena/10-dla-...aged-migration-to-uc Call our Help to Claim phone number
You can contact an adviser through our free Help to Claim phone service. Advisers are available 8am to 6pm, Monday to Friday:
England: 0800 144 8 444
Scotland: 0800 023 2581
Wales: 08000 241 220