Cai House: Expandable Tiny House on Wheels That Unfolds to 420 Square Feet

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The Cai House by designer/builder Nick Hurt of Fletcher, Vermont is a two-story tiny house on wheels that expands from towable dimensions to 420 square feet when deployed. Described as “a super-insulated RV disguised as a cabin or cottage,” the wood-frame structure features fold-out sections that dramatically increase living space while maintaining mobility.

Design Details

  • Name: Cai House
  • Designer/Builder: Nick Hurt
  • Location: Fletcher, Vermont
  • Expanded Size: 420 square feet
  • Stories: Two
  • Construction: Wood frame on wheels
  • Insulation: Super-insulated
  • Build Cost: Approximately $50,000
  • Description: Super-insulated RV disguised as cabin/cottage

Cai House Exterior

Cai House expandable tiny house exterior

Photos via Cai House/Nick Hurt

Two-Story Design

Cai House two-story expandable design

Interior Living Space

Cai House interior after expansion

Kitchen and Living Area

Cai House kitchen and living space

Second Floor

Cai House upper level

Lessons from Expandable Tiny House Design

  • Fold-Out Sections Multiply Space: Expanding mechanisms transform towable dimensions into livable square footage
  • Two Stories Maximize Height: Vertical expansion adds floor area without increasing footprint
  • Super-Insulation Enables Year-Round Use: Proper thermal envelope makes Vermont winters comfortable
  • RV Disguised as Cabin: Home-like appearance distinguishes from typical RV aesthetics
  • Owner-Built Reduces Cost: DIY construction at $50,000 costs less than comparable commercial options

Learn More

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Alex

Alex Pino is the founder of Tiny House Talk, a leading resource on tiny homes and simple living since 2009. He helps readers discover unique homes, connect with builders, and explore alternative living.

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