The building blocks in the countryside face south, and the stairs of the house are located in the northwest. Is there a solution that the stairs face south?

It won't be affected to sit in a house facing south and put the stairs in the northwest corner. It's better to sit in a house facing south. Generally speaking, it is very advantageous to sit in a house facing south.

technology and industry of building construction, assembly and building construction. Early humans mainly used simple ways to build shelter from the wind and rain.