Screening for dyslexia and specific learning difficulties

• I think I might have a specific learning difficulty such as dyslexia. Where can I find a screening tool?
• How do I arrange a full, post-16 diagnostic assessment for specific learning difficulties with a specialist teacher assessor or educational psychologist?
• Where can I get information about online screening and how I can arrange a formal assessment for specific learning difficulties (SpLDs) such as dyslexia?
• How much does a full diagnostic assessment for specific learning difficulties (SpLDs) cost?
• Funding for diagnostic assessments
• What do I do with the assessment report I have received from my Specialist Teacher Assessor / Educational Psychologist?
• How do I access support once I've had my full diagnostic assessment for specific learning difficulties?
• My dyslexia / specific learning difficulties screening results indicate that I am not 'at risk'. What can I do now?
• My online screening results for specific learning difficulties (SpLDs) such as dyslexia are 'borderline'/'at risk'. Can I apply for support with funding for a full diagnostic assessment?