U.K. Release - UPDATE
For U.K. viewers, I can confirm that Your Name is going to be released both dubbed and subbed, depending on which cinema you go to. Here's a link:
http://blog.alltheanime.com/your-name-cinema-update-17th-october-2016/
Another update:
http://blog.alltheanime.com/your-name-cinema-update-november-14th/