This is the former La Scala Cinema, Helensburgh, now a pub named after Helensburgh’s most famous son, John Logie Baird, inventor of television. (Well, one form of it.) Stitch of two photos:-

The building was erected in 1913 so it doesn’t qualify as Art Deco proper but there are some features which prefigure the style like these side pillars:-

Also the stepping on the roof-line. The painting scheme emphasises the Deco feel:-