Came here to mention Scruton. Would recommend the documentary mentioned above, plus Scruton's book: The Aesthetics of Architecture.

https://www.scruton.org/building-beautiful

I am also obsessed with traditional Japanese architecture. Lots of simple ornament, warm colors and materials, deliberate use of shadows and light.

https://eastwindinc.com/

Books:

Japanese Homes and their Surroundings

Japanese Architecture: An Exploration of Elements & Forms