There are several methods of linear perspective but one point is a single point perspective and is the simplests.
Roof perspective one point.
Are best represented by one point perspective drawing.
Establish the first roof line and the incline vanishing point this can be the trickiest part.
Perspective drawing of a house adding the rooftop.
The objects viewed from the front appears as true shapes in one point perspective drawing.
True shape horizon line and vanishing point 1 true shapes.
For example a cube drawn in one point.
All houses are boxes so you need to know how to create one and two point perspective boxes.
One point perspective is a type of linear perspective that uses a single vanishing point to create the illusion of depth in a work of art.
If you are not familiar with perspective please review my post covering one and two point perspective.
Draw a line from the front top corner of the wall to the top of the line you drew to set up the height of the roof.
1 point perspective also called parallel perspective is used by interior designers because it is the easiest way to draw an interior room quickly.
This art tip deals with drawing a house and adding a roof.
This drawing has picture frames a window shelves a couch and a table.
I think it is a great skill to have.