The cost of a pergola or gazebo comes down to three main factors: size, material, and installation complexity. Bigger structures require more labor and materials, so the square footage is usually the first thing that drives pricing up or down. Even small increases in size can shift a project into a higher cost bracket. Material choice is the next major driver. Aluminum lattice, solid roof aluminum, and wood structures all come with different price points and performance levels. On top of that, c