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Bring the magic of medieval adventures to your backyard with the King Arthur’s Castle Playset Plan! This unique two-story castle features a compact 8x8 pentagon footprint that’s perfect for smaller yards but still packed with fun. Kids can climb up the interior ladder and outside rock wall, peek through castle windows, or zip down an optional slide. Built from detailed, easy-to-follow plans and a complete lumber list, it's a practical project that delivers big imagination and adventure.
Want to take the fun even further? Choose the dueling castles option, which connects two King Arthur’s Castles with a 10-foot bridge for double the towers, space, and adventure. Whether you go with a single fort or the two-castle layout, the design strikes the perfect balance between whimsical play and backyard-friendly size. Inspired by the smaller Fun Fortress and the larger Whimsical Castle designs, making this plan a great middle-ground for families looking to build something unforgettable.
Features:
- 125ft² (Standard) or 280ft² (Deluxe) in total usable play space
- Pentagon shaped footprint
- Overhanging 2nd level with built in keep
- Varied leveled 2nd floor walls with battlements
- Room for slides and other accessories
- Numerous narrow window openings to mimic medieval castle architecture
- Instructions for a rock wall
- Designed for ages 3-10
- 28 (Standard) / 32 (Deluxe) page, step by step PDF plan
Plan Category:
Standard Dimensions:
- 8' Wide
- 8' Deep
- 13' Tall
Deluxe Dimensions:
- 28' Wide
- 8' Deep
- 13' Tall
Framing Details:
- Joists: 2x6 - 16" O.C.
- Walls: 2x4 - 16" O.C.
Lumber List | Standard:
Make sure to take advantage of any volume discount from your local lumber yard!
Decking:( 65 ) 5/4” x 6” x 8'
( 35 ) 5/4” x 6” x 10'
( 24 ) 5/4” x 6” x 12'
2x2:
( 9 ) 2” x 2” x 8'
2x4:
( 31 ) 2” x 4” x 8'
( 27 ) 2” x 4” x 10'
( 11 ) 2” x 4” x 12'
2x6:
( 15 ) 2” x 6” x 8'
( 6 ) 2” x 6” x 10'
( 3 ) 2” x 6” x 12'
Lumber List | Deluxe:
Decking:
( 130 ) 5/4” x 6” x 8'
( 68 ) 5/4” x 6” x 10'
( 54 ) 5/4” x 6” x 12'
2x2:
( 32 ) 2” x 2” x 8'
2x4:
( 64 ) 2” x 4” x 8'
( 68 ) 2” x 4” x 10'
( 22 ) 2” x 4” x 12'
2x6:
( 31 ) 2” x 6” x 8'
( 18 ) 2” x 6” x 10'
( 6 ) 2” x 6” x 12'
4x4:
( 3 ) 4” x 4” x 8'
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