Useful links:
SEND Code of Practice 0 - 25 https://www.gov.uk/government/publications/send-code-of-practice-0-to-25
Equality Act 2010 https://www.gov.uk/government/publications/equality-act-2010-advice-for-schools
Keeping Children Safe in Education https://www.gov.uk/government/publications/keeping-children-safe-in-education--2
Cognition and Learning
NESSY Learning Programme https://www.nessy.com/uk/
British Dyslexia Association https://www.bdadyslexia.org.uk/about
Dyslexia https://www.dyslexia.com/
Dyspraxia Foundation https://dyspraxiafoundation.org.uk/
Happy Learners (Information and free downloadable resources related to SEN) https://happylearners.info/
Durham SEND APP (A range of APPS which may be beneficial for children with SEND) http://www.countydurhamfamilies.info/kb5/durham/fsd/organisation.page?id=ws9G49HX3YU&
Additional help
The Parent Partnership Service is now known as Durham Special Educational Needs and Disability Information Advice and Support Service (Durham SEND IASS). It has a really useful website for parents, carers, children and young people. 
Click on the this link for a leaflet about the service: Durham SEND IASS parent, carer and young people leaflet