The following websites allow you to search for a variety of accessible screenings across the UK:

Accessible Screenings UK 
Accessible Screenings UK is a listing site to help you find information on accessible screenings in UK cinemas, including audio described, autism friendly and subtitled and captioned screenings.

Your Local Cinema 
Your Local Cinema is a listing site for screenings of the latest films with English-language subtitles for people with hearing loss.