This two-story colonial plan has 2,280 square feet of living space, not counting the garage, on a footprint of 57'-1" × 31'-10". The front porch opens to a 7'-4" × 18'-4" center hall that organizes the ground floor. The formal living room (17'-0" × 12'-3") and formal dining room (17'-0" × 8'-8") open off this hall, and the stair rises from the same central spine.
The everyday rooms are at the back: a 15'-7" × 7'-10" kitchen with a 9'-0" × 8'-8" breakfast nook, and a 15'-7" × 12'-7" family room. A mudroom (6'-2" × 8'-8"), laundry (5'-9" × 7'-4") and powder room (7'-4" × 3'-5") serve the garage entry. Upstairs, a 3'-10" × 29'-10" hall connects the 16'-2" × 12'-5" primary bedroom, with its walk-in closet and 10'-0" × 9'-4" bath, to Bedroom 2, Bedroom 3 and the hall bath.
Layout highlights
- Center hall measures 7'-4" × 18'-4" and links porch, formal rooms and stair.
- Formal living room is 17'-0" × 12'-3"; dining room is 17'-0" × 8'-8".
- Kitchen at 15'-7" × 7'-10" shares the floor with a 9'-0" × 8'-8" nook.
- Primary suite: 16'-2" × 12'-5" bedroom, 7'-8" × 7'-4" walk-in closet, 10'-0" × 9'-4" bath.
- Mudroom, laundry and powder room sit on the ground floor beside the 13'-3" × 29'-10" garage.
Room sizes
| Room | Level | Size | Area |
|---|---|---|---|
| Stair | 1 | 8'-2" × 7'-4" | 60 sq ft |
| Breakfast Nook | 1 | 9'-0" × 8'-8" | 78 sq ft |
| Mudroom | 1 | 6'-2" × 8'-8" | 53 sq ft |
| Kitchen | 1 | 15'-7" × 7'-10" | 121 sq ft |
| Family Room | 1 | 15'-7" × 12'-7" | 196 sq ft |
| Laundry | 1 | 5'-9" × 7'-4" | 42 sq ft |
| Formal Dining Room | 1 | 17'-0" × 8'-8" | 147 sq ft |
| Formal Living Room | 1 | 17'-0" × 12'-3" | 209 sq ft |
| 2-Car Garage | 1 | 13'-3" × 29'-10" | 396 sq ft |
| Powder Room | 1 | 7'-4" × 3'-5" | 25 sq ft |
| Center Hall | 1 | 7'-4" × 18'-4" | 135 sq ft |
| Primary Bath | 2 | 10'-0" × 9'-4" | 93 sq ft |
| Hall Bath | 2 | 5'-10" × 9'-4" | 54 sq ft |
| Primary Bedroom | 2 | 16'-2" × 12'-5" | 201 sq ft |
| Walk-in Closet | 2 | 7'-8" × 7'-4" | 56 sq ft |
| Stair | 2 | 8'-2" × 7'-4" | 60 sq ft |
| Upper Hall | 2 | 3'-10" × 29'-10" | 116 sq ft |
| Bedroom 2 | 2 | 9'-0" × 14'-7" | 131 sq ft |
| Bedroom 3 | 2 | 9'-0" × 14'-11" | 134 sq ft |
Who this plan suits
This plan suits households that want a traditional colonial with separate formal rooms, a family room for daily use, and all three bedrooms upstairs. It needs a lot that can take a 57'-1" × 31'-10" footprint plus setbacks, with room for a front porch and garage access.
How this plan was made
It was generated in AI Architectures Plan Studio from this one-line brief: “Two-story colonial house, 3 bedrooms, 2.5 baths, center hall, formal living and dining rooms, kitchen with breakfast nook, family room, powder room, laundry; upstairs 3 bedrooms, attached 2-car garage, front porch, about 2,300 sq ft of living space (garage not included).” 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 are 3 bedroom colonial house plans?
They are two-story homes with a symmetrical, center-hall layout and three bedrooms, usually on the upper floor. This version has 2,280 square feet of living space, 2.5 baths, formal living and dining rooms, and a front porch.
What affects building cost and lot fit for this plan?
The 57'-1" × 31'-10" footprint sets the minimum lot width and depth once setbacks are added. Cost drivers include the two-story structure, the attached 2-car garage, the front porch, and the three bathrooms' plumbing. Local labor, materials and site conditions will change the final figure.
Can I change this plan by chat?
Yes. You can describe changes in chat, such as resizing or moving rooms, switching the garage to the other side, or fitting a narrower lot. The layout is regenerated so the rooms still connect.
How do I use the PDF, DXF and IFC files?
The PDF is for reading and sharing the plan with a builder or contractor. The DXF opens in most CAD programs for drafting and edits, and the IFC imports into BIM software for coordination. Have a local professional check the plans against your site and code before construction.