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16×20 Garden shed plan

  • Uses: storage, workshop, studio, home office
  • Full materials list, including hardware
  • Full cut list for the lumberyard
  • Step-by-step blueprints for beginners
  • Color renderings to check your progress
  • Instructions for siting and installing the foundation
  • Guide for building windows and doors from scratch
  • Plans for decorative elements such as shutters and lattice
  • Diagrams for installing a gutter system
  • Ready-to-print plans for easy reference


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16x20 Garden shed facts and figures

16x20 Garden Shed
15'-9" W x 20'-1 1/2" L x 11'-6" H
Materials Cost:
$17-$24 per square foot
Plywood sheathing, clapboard siding, asphalt shingles
Roof type:
320 square feet
Instant PDF download
Plywood sheathing
Choice of paint or stain

16x20 Garden Shed Overview

Blending functionality and style, this 16 x 20 garden shed offers massive and impressive 320 square feet of floor space. This makes it a perfect option for homeowners and gardeners who wish to clear a considerable amount of stuff in their houses and garage. With plenty of storage space, this garden shed is enough to hold ATVs, riding mowers, rototillers, workbenches, power tools, wheelbarrows, potted plants, outdoor furniture, and more.

The siding walls are sturdy and tall enough to allow you to keep ladders, shovels, rakes, and other long-handled tools off the floor. You can even add shelves to increase storage opportunities and organize small items.

You can also use this shed as a potting shed, house, workshop, studio, or home office. Its functional design allows it to serve all these functions perfectly. If you love kids, you can even make the room a daycare center mud pie kitchen.

The shed is designed with an extra-wide 64-inch door that allows you to move bulkier items easily and quickly. There is also a sturdy ramp in place so that you won’t struggle to wheel mowers and other items inside.

The overall design includes square windows with 3′ 9″ sides that let enough light inside. A gable-style roof crown the sturdy walls, making the outbuilding utterly weather tight.

Why Build 16x20 Gable Garden Shed?


DIY and Save Up to $4.500

Buying a ready-made shed from a retailer or hiring a carpenter to build one costs big bucks. Building a shed yourself can save you up to $4,500.


320 sq. ft. Extra Storage Space

With all that extra storage space, you can clear out a considerable amount of stuff in your house. Declutter your life and reclaim your home for rest and relaxation.


Increase Property Value

Wooden sheds are designed to last, and an attractive one will boost your property value. Future buyers will love this addition as much as you do.

Compare Free vs Premium Plan

Check out the main benefits of our premium shed plans. Compare the differences and decide for yourself.

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