Disability Law Service
http://dls.org.uk
Provides free legal advice on community care, welfare benefits, disability discrimination, employment and certain other areas
Mencap
https://www.mencap.org.uk/mencap-cymru/mencap-cymru-our-resources-and-guides
Offers support and guidance on wills and trusts for disabled people
Cerebra
http://w3.cerebra.org.uk/help-and-information/legal-help
Provides a guide and various resources for parents of children with additional needs on how to access legal help