We built the colonial-style garden shed shown here from a set of mail-order building plans. the 10 x 16-ft. outbuilding has easy-to-install plywood siding, three large windows and two pairs of doors.. Cost to build a shed: the cost to build your shed varies depending on the shed design and the size of garden shed you build. the main contributing factors to finding out how much it costs to build a shed are the size, style, roof design, exterior finishes, interior finishes, windows and doors.. Building a barn shed is a fun project, as it is a great opportunity to learn new woodworking techniques and to build a beautiful rustic construction. as you can see in the image, you just need to join the components together, provide you choose the right plans for your needs..
