Make a wall with two squares and fix them together. You need to make two of these.
Add some triangles to the side to make the top wall.
Make a floor by fixing a red rectangle to a smaller red rectangle.
Take a green square and fix the walls you made in step one onto it.
Add a smaller orange rectangle for the middle wall.
Put the floor you made in step 3 on top.
Put the top wall on to the house.
Make a roof by adding rectangles to the side.
Add windows, door and a chimney
Finally, put some trees and flowers in the garden and move in your people