Here are the most common shed building price scenarios: 10′ x 10′ shed ~ $2200; 10′ x 12′ shed ~ $2700; 12′ x 12′ shed ~ $3200; 12′ x 20′ shed ~ $5200; you can also use the national expense average for building a shed, which goes from $17 to $24 per sq. ft. what’s the difference between free and premium shed plans?. 16,000 woodworking collection [ pole barn plans included ] do it yourself projects are something else entirely, we all know how rewardful the end result of a craft can be and happily the internet understood this beautiful act and we today have thousands of step by step tutorials and projects with detailed instructions to use, the collection presented below for example contains no less than. Pole barn plans. a pole barn or a cattle barn is a barn that is essentially a roof extended over a series of poles. it is generally rectangular and lacks exterior walls. the roof is supported by the poles which make up the outside barrier of the barn. find your perfect pole barn plans in these free plans:.