Smock Windmill Playhouse Plan・2-Sizes

Whisk your yard into a storybook with the Smock Windmill Playhouse Plan. Inspired by the iconic windmills of Western Europe this octagonal wonder blends old world charm with playful design. Choose from two sizes with the larger offering almost twice the floor space. Both versions come alive with a full 360 degree second level wraparound porch ladders trap doors and a spinning main sail and fantail for authentic windmill whimsy.

This is a build that rewards the maker and delights the neighborhood. The project invites family and friends to join the fun and to personalize every detail with accessories like a slide rope ladder telescope chalkboard walls and twinkle lights. Picture hide and seek behind the sails secret spy missions through trap doors and tea parties on the porch. It will breathe life into a farm or backyard and become the storybook centerpiece everyone wants to visit.

Features:

• 240ft² (Standard) or 430ft² (Deluxe) of usable play space

• Main sail and fantail
  

• Lower front entrance
  

• Two stories

• 2 Ladders and trap doors

• Full 360° 2nd level porch
• Trap door to 2nd floor

• Mansard roof nacelle

• 48 (Standard) or 51 (Deluxe) page, step by step PDF plan

Plan Category:

🏡 Full Size Playhouse Plans

Dimensions (Standard):

• 12' Wide
  
• 12' Deep
  
• 18' Tall (Excluding Sail)
  

Dimensions (Deluxe):

• 16' 2" Wide (Excluding Stairs)
  
• 40' Wide (Including Stairs)
• 16' 2" Deep
  
• 20' Tall (Excluding Sail)
  

Framing Details:

• Joists: 2x8 - 16" O.C.
• Walls: 2x4, 4x4 - 16" O.C.
• Rafters: 2x6 - 16" O.C.

Roofing Details:

• 22.5° & 45° gambrel roof pitch
• 45ft² (standard) or 75ft² (deluxe) of total roof coverage.  Typically, 10% should be added to the roofing material order to account for waste and overlap.

Lumber List | Standard:

Make sure to take advantage of any volume discount from your local lumber yard!

Decking:
( 38 ) 5/4" x 6 x 8'
( 52 ) 5/4" x 6 x 10'
( 38 ) 5/4" x 6 x 12'

2x2:
( 21 ) 2” x 2” x 8'

2x4:
( 115 ) 2” x 4” x 8'
( 28 ) 2” x 4” x 10'
( 18 ) 2” x 4” x 12'

2x6:
( 9 ) 2” x 6” x 8'
( 15 ) 2” x 6” x 10'
( 18 ) 2” x 6” x 12'

2x8:
( 2 ) 2” x 8” x 8'
( 1 ) 2” x 8” x 12'

4x4:
( 9 ) 4" x 4" x 8'
( 1 ) 4" x 4" x 10'
( 1 ) 4" x 4" x 12'

4x6:
( 1 ) 4" x 6" x 8'
( 2 ) 4" x 6" x 10'
( 1 ) 4" x 6" x 12'

Plywood:
( 2 ) 4' x 8' x ¾"

Lumber List | Deluxe:

Decking:
( 101 ) 5/4" x 6 x 8'
( 31 ) 5/4" x 6 x 10'
( 35 ) 5/4" x 6 x 12'
( 45 ) 5/4" x 6 x 16'

2x2:
( 200 ) 2” x 2” x 8'

2x4:
( 193 ) 2” x 4” x 8'
( 19 ) 2” x 4” x 10'
( 20 ) 2” x 4” x 12'
( 8 ) 2” x 4” x 16'

2x6:
( 10 ) 2” x 6” x 8'
( 8 ) 2” x 6” x 12'
( 4 ) 2” x 6” x 16'

2x8:
( 1 ) 2” x 8” x 8'
( 8 ) 2” x 8” x 12'

2x10:
( 6) 2” x 10” x 8'
( 2 ) 2” x 10” x 12'
( 15 ) 2” x 10” x 16'

2x12:
( 6) 2” x 12” x 16'

4x4:
( 12 ) 4" x 4" x 8'
( 4 ) 4" x 4" x 10'

4x6:
( 1 ) 4" x 6" x 8'

Plywood:
( 3 ) 4' x 8' x ¾"