Hft is a national charity, providing local support services for people with learning disabilities throughout England. They produce an annual Holiday Information Guide.
Available to download for free https://www.hft.org.uk/wp-content/uploads/2019/06/FCSS-HIG-BW-edits-2019-reduced-size.pdf
Holidays in the British Isles: A guide for disabled people 2013
Published by Disability Rights UK.
Or have a look in your local library for this book.
Rough Guide To Accessible Britain 2016
6th ed. Published by Rough Guides; available to view for free on their website:
Or have a look in your local library for this book
Rough Guide To Accessible Britain: Family Days Out
View this guide free on-line at www.accessibleguide.co.uk/familydaysout