Tiny House Plans 350 Sq Ft: One-Bedroom Single-Story Layout

350 sq ft living · 1 bedrooms · 1 baths · 1 story · 14'-0" × 25'-0"

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tiny house plans 350 sq ft — dimensioned floor plan

This tiny house plan fits 350 square feet of living space on a 14'-0" × 25'-0" rectangular footprint. It is a single-story home on a foundation with one bedroom and one bathroom, and it has no garage, porch, deck or patio.

The galley kitchen measures 8'-4" × 4'-1" and opens to the 12'-0" × 9'-1" living area. A 3'-4" × 4'-1" closet holds a stacked washer and dryer. The bedroom is 8'-3" × 9'-1", and the bathroom is 3'-5" × 9'-1". Every room is sized for daily use, so the plan works as a primary home, a guest house or a rental unit. Keeping everything on one level inside a simple rectangle makes the structure straightforward to frame and the interior easy to move through.

Layout highlights

  • Galley kitchen at 8'-4" × 4'-1" opens directly to the living area.
  • Living area measures 12'-0" × 9'-1" for seating and dining.
  • Dedicated 3'-4" × 4'-1" closet fits a stacked washer and dryer.
  • Bedroom at 8'-3" × 9'-1" sits beside a 3'-5" × 9'-1" bathroom.
  • Single story on a foundation within a 14'-0" × 25'-0" rectangle.

Room sizes

RoomSizeArea
Galley Kitchen8'-4" × 4'-1"34 sq ft
W/D Closet3'-4" × 4'-1"13 sq ft
Living Area12'-0" × 9'-1"110 sq ft
Bathroom3'-5" × 9'-1"31 sq ft
Bedroom8'-3" × 9'-1"75 sq ft

Who this plan suits

This plan suits individuals or couples who want a compact one-bedroom home with in-unit laundry and no stairs. It also fits owners looking for a simple guest house, backyard unit or rental on a small lot.

How this plan was made

It was generated in AI Architectures Plan Studio from this one-line brief: “Tiny house on a 14 x 25 ft rectangular footprint (350 sq ft), one story, on a foundation: 1 bedroom, 1 bath, galley kitchen open to the living area, closet for a stacked washer and dryer. No porch, deck or patio.” An AI architect drafted the room program, a layout solver placed every wall and door, and the plan was checked automatically for room sizes, circulation and daylight. The same project produced the PDF sheets, layered DXF, IFC model and 3D model you can download above.

Frequently asked questions

What is included in a 350 sq ft tiny house plan like this one?

This plan has one bedroom, one bathroom, a galley kitchen open to the living area and a closet for a stacked washer and dryer. It is a single story with 350 square feet of living space on a 14'-0" × 25'-0" footprint. It has no garage, porch, deck or patio.

Can this tiny house be built on a foundation?

Yes. The plan is drawn as a one-story home on a foundation, with a simple rectangular footprint that keeps framing and roof lines uncomplicated. Foundation type, structural details and local code requirements should be confirmed with a local builder or engineer before construction.

How can I customize this plan with AI?

You can describe the changes you want, such as a different room arrangement, window placement or finishes, and the AI tool updates the layout for you. Review any changed room sizes against your needs, then have the result checked by a licensed professional before you build.

Can I use the plan in CAD with a DXF file?

A DXF file opens in most CAD programs, so you can measure, edit and annotate the floor plan outside the site. This is useful for adding notes, coordinating with a drafter or preparing drawings for a permit application. Check what your local office requires for submissions.

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