Build the Backyard Barn You've Always Wanted

If you're looking for a spacious barn-style shed that offers incredible storage and endless possibilities, these 12x20 barn shed plans are an excellent choice.

The classic gambrel roof creates a generous overhead loft while the roomy main floor provides plenty of space for everything from lawn equipment to woodworking tools—or even a future backyard office or weekend retreat.

Designed specifically for DIY builders, these plans include professionally drawn blueprints, detailed building instructions, and all the information you'll need to build with confidence.

Why Builders Love This Design

• Spacious 12' x 20' floor plan
• Large overhead loft for additional storage
• Traditional gambrel roof for maximum interior space
• Wide double entry doors
• Strong wood floor or concrete slab options
• Beginner-friendly construction methods
• Beautiful barn-style appearance that never goes out of style

Endless Possibilities

This versatile building can easily become:

• Workshop
• Backyard office
• Garden shed
• Equipment storage
• Hobby shop
• Small cabin
• Tiny house shell
• Craft studio
• Home gym
• She shed or man cave

Its flexible design allows you to customize the interior to fit your own needs.

Building Specifications

Overall Size

• Width: 12 feet
• Length: 20 feet
• Overall height: Approximately 13' 11"
• Interior wall height: Approximately 7' 1½"

Floor Options

The plans include details for both:

• Traditional wood floor construction using pressure-treated framing
• Concrete slab foundation option

Choose the foundation that best fits your property and intended use.

Wall Construction

Walls are framed using standard 2x4 lumber spaced 16 inches on center.

The plans feature LP® SmartSide® siding, but you can easily substitute your preferred siding material to match your home or personal style.

Roof Construction

The signature gambrel roof is what makes this shed so practical.

Its unique profile creates a spacious loft while giving the building the timeless appearance of a traditional country barn.

Complete truss construction details and roof framing diagrams are included.

Huge Loft Storage

The spacious loft is perfect for storing items that don't need to be accessed every day.

Great for:

• Holiday decorations
• Camping gear
• Storage totes
• Seasonal equipment
• Hunting gear
• Sporting goods
• Household overflow

By moving these items overhead, you'll keep the main floor organized and ready for everyday use.

What's Included With Your Download?

Your instant PDF download includes:

• Professionally drawn construction blueprints
• Detailed illustrated building guide
• Complete materials list
• Floor framing plans
• Wall framing layouts
• Roof framing details
• Gambrel truss construction
• Loft framing instructions
• Door construction plans
• Window framing details
• Ramp construction guide
• Shelving plans
• Free cupola plans
• Personal email support

Everything is organized in the order you'll build the shed, making construction easy to follow from start to finish..

Built for DIY Success

Whether you're building your very first shed or you've completed several projects before, these plans are written to make the process straightforward.

Detailed illustrations, full-color drawings, and step-by-step instructions help remove the guesswork so you can focus on enjoying your build.

Proven by Real Customers

This design has been built successfully by homeowners across North America, with many customizing it into workshops, hobby spaces, and attractive backyard storage buildings. Their completed projects demonstrate just how flexible and practical this design can be.

Download Today

Immediately after checkout, your plans will be available as an instant PDF download.

If you're ready to build a beautiful barn-style shed with exceptional storage, a spacious loft, and room to customize for years to come, these 12x20 barn shed plans are ready when you are.