12'5"x12'5" Greenhouse 48 base dimensions
Dimension A = 977mm
Dimension B = 977mm
Dimension X = 2670mm
Overall width, from side to side = 3650mm (490mm + 2670mm + 490mm)
Overall depth, from front to back = 3650mm (490mm + 2670mm + 490mm)
Overall dimensions from corner to corner = 3776mm
We recommend that your base should be no smaller than the floor size of the new greenhouse and no more than a few inches larger.