The Disability Justice Project has produced some interactive guides to support disabled people to challenge discrimination. Choose a theme to learn about your rights and what to do when things go wrong. The themes include public transport, physical barriers, accessible communication, accessible housing and social care. You can take action with their template letters: https://www.disabilityjustice.org.uk/
The project is run by Deaf and disabled people’s organisation Inclusion London, with funding from the Equality and Human Rights Commission.