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18×30 One Bedroom Cottage Plans

These one-bedroom cottage plans would make an excellent ADU or granny flat. With everything on one floor, the home is easy to move around in, and it includes a flex room that could be used as an office, craft room, or additional storage.

The great room includes the kitchen, dining room, and living room in one space with vaulted ceilings. Finally, there’s a bathroom and a separate laundry room on the other side of the house. In total, you get 540 square feet of living space.

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Open-Plan Cottage w/ One Private Bedroom

Modern tiny house by the lake surrounded by colorful fall trees and outdoor seating.

Images via Etsy


There are two sets of French doors that could lead to a porch.

Small one-bedroom cottage with gray siding and large windows, perfect for tiny house living.

Images via Etsy

Exposed beams add character to the main room.

18×30 One Bedroom Cottage Plans 7

Images via Etsy

An electric fireplace offers some ambiance to the living room.

18×30 One Bedroom Cottage Plans 6

Images via Etsy

Here are some of the main highlights.

18×30 One Bedroom Cottage Plans 3

Images via Etsy

This is what you get in the plans.

Small modern cabin house with fireplace, outdoor seating, and autumn trees in the background.

Images via Etsy

This is the floor plan.

18×30 One Bedroom Cottage Plans 2

Images via Etsy

Details:

  • 1 Bedroom House Plan Set:
  • Modern design, suitable for a tiny house, guest house, or granny flat
  • Easy-to-build with detailed plans and construction details
  • Main living space includes a kitchen, separated from the bedroom
  • Includes:
  • 1 bedroom with central bed access and wardrobe
  • 1 small office for a desk
  • Open plan living room with kitchen
  • Bathroom
  • Laundry/technical room
  • Uses:
  • Can serve as a guest house, ADU, cabin, or Airbnb unit
  • Essential amenities provided
  • Basic materials used, adaptable color combinations
  • Design and Construction:
  • Wooden frame structure
  • Designed according to the 2021 International Residential Code
  • Trusses can be sourced commercially
  • Requires knowledge of wooden frame construction
  • Plan Set Includes:
  • PDF printable files
  • DWG editable files (AutoCAD 2004)
  • Architectural and structural models in Sketchup SKP format (2019)
  • Customization service available for an additional fee
  • Detailed Plans:
  • G101: Project cover with general notes
  • A101: Foundation plan, floor plan, roof framing plan, roof plan, 4 elevations, door, and window schedule
  • A102: Sections, electrical plan, electrical schedule, kitchen elevation, furniture schedule
  • A103: Framing elevations, framing components schedule, estimative bill of quantities
  • A202: Construction details
  • 3D models: Sketchup SKP format (2019)
  • Building Dimensions:
  • 18 feet (width) x 30 feet (length)
  • Total built area: 540 square feet (excluding exterior deck)
  • Ground floor only
  • Features:
  • 1 bedroom (fits Queen size bed)
  • 1 bathroom with single vanity and shower
  • Open plan living room with kitchen (island by default)
  • Small study for one person
  • Laundry/technical room
  • Wooden frame structure, slab on grade foundation

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Natalie C. McKee

Natalie C. McKee is a contributor for Tiny House Talk and the Tiny House Newsletter. She's a wife, and mama of three little kids. She and her family are homesteaders with sheep, goats, chickens, ducks and quail on their happy little acre.

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