Terrific Triplex Playhouse Plan

The Terrific Triplex Playhouse Plan offers a fun spin on the English cottage charm with whimsical exaggeration and striking trim details. Its eight by twelve footprint feels just right: roomy enough for kids to explore, climb, and play yet compact enough to fit beautifully into most backyards. Inside the playhouse, a cozy loft provides a perfect perch for storytelling or daydreaming. The angled walls and bold trim create a caricaturesque aesthetic that captivates kids’ imaginations and delights adults in equal measure.

This design balances playful personality with practical design. A second floor loft gives kids a secret retreat without overwhelming the footprint, while tall windows invite daylight into every corner. The clean framing plan and approachable size make it manageable for DIYers or for use in childcare and business settings. With thoughtful proportions and delightful accents, the Terrific Triplex Playhouse combines architectural artistry with backyard whimsy for a project that families will cherish and visitors will admire.

Features:

• Made to look like 3 separate houses combined together into one storybook inspired package
• Interior loft for play, storage or sleep
• 118ft² of total play space
• 20 total window openings for ample natural lighting and airflow
• Designed for ages 3-10
• 55 page, step by step PDF plan

Plan Category:

💫 Whimsical Playhouse Plans

Dimensions:

• 12' Wide
• 8' Deep
• 13' Tall

Framing Details:

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

Glass Shed Windows:

• ( 2 ) 18" Octagonal
• ( 6 ) 14" x 21
  
• ( 10 ) 18" x 27
• ( 2 ) 24" x 36
  

Roofing Details:

• 45° gable roof pitch
• 170 ft² of total roof coverage. Typically, 10% should be added to the roofing material order to account for waste and overlap.

Lumber List:

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

Decking:
( 1 ) 5/4” x 6” x 8'

2x2:
( 6 ) 2” x 2” x 3'

2x4:
( 108 ) 2” x 4” x 8'
( 13 ) 2” x 4” x 10'
( 11 ) 2” x 4” x 12'
( 1 ) 2” x 4” x 16'

2x6:
( 39 ) 2” x 6” x 8'
( 2 ) 2” x 6” x 10'
( 14 ) 2” x 6” x 12'

2x8:
( 2 ) 2” x 8” x 8'
( 1 ) 2” x 8” x 10'

Plywood:
( 25 ) ½" Plywood Sheets
( 4 ) ¾" Plywood Sheets