There are a number of education solicitors in the UK who can help support you through EHCP applications. In addition, there are charitable run organisations who have specialist knowledge in education law such as IPSEA. Furthermore, there are increasingly more self help and support groups on social media.

You should always check the qualifications of the people running the groups and establish if they have current legal information. Be aware that some groups share information and experience but this may not always be factual.