Design preview 01
A place of your own
The Grove
A one-bedroom backyard cottage with a timber deck.
- Footprint
- 800 sq ft
- Bedrooms
- 1
- Bathrooms
- 1
- Dimensions
- 40′ × 20′
ADU designs & floor plans
Find your kind of small.
Explore eight layouts, from a studio cottage to a home for family.
Compare layoutsFeatured designs
Design 1 of 3
Design preview 02
A place of your own
Studio Cottage
One open room, a real bathroom and a small kitchen.
- Footprint
- 396 sq ft
- Bedrooms
- Studio
- Bathrooms
- 1
- Dimensions
- 18′ × 22′
Design preview 03
A place of your own
Family Two-Bedroom
Two bedrooms at opposite ends, one shared kitchen and living room.
- Footprint
- 816 sq ft
- Bedrooms
- 2
- Bathrooms
- 1
- Dimensions
- 24′ × 34′
Design previews. Approximate sizes; final plans and fit depend on your property and local review.
All 8 home conceptsThe full collection
Eight ways to make room.
Compare every layout, from space within your existing home to a detached cottage. Many municipalities allow an internal or attached ADU more readily than a separate building; each design includes the rules to consider.
Compare all eight layoutsSize, bedrooms & type
Start with the space you need and the kind of ADU your property may allow. Select a design for its floor plan and local considerations.
| Design | Type | Bedrooms | Baths | Footprint | Interior |
|---|---|---|---|---|---|
| In-Law Addition | Attached to the house | 1 | 1 | 528 sq ft | ~470 sq ft |
| Lower-Level Apartment | Inside the house | 1 | 1 | 572 sq ft | ~515 sq ft |
| Studio Cottage | Backyard cottage | Studio | 1 | 396 sq ft | ~356 sq ft |
| Stay Cottage | Backyard cottage | 1 | 1 | 624 sq ft | ~560 sq ft |
| The Grove | Backyard cottage | 1 | 1 | 800 sq ft | ~720 sq ft |
| Family Two-Bedroom | Backyard cottage | 2 | 1 | 816 sq ft | ~735 sq ft |
| Garage Apartment | Over a garage | 1 | 1 | 624 sq ft | ~560 sq ft |
| Lake Guest Cottage | Backyard cottage | 1 | 1 | 560 sq ft | ~504 sq ft |
Footprint is measured outside the walls and excludes porches and decks. Interior areas are approximate. On a small screen, swipe the table to compare every column.
Attached to the house
In-Law Addition
A one-bedroom suite attached to your house.
1 bedroom · 1 bath · about 528 sq ft
See the concept →Inside the house
Lower-Level Apartment
Turn a basement or wing into a separate one-bedroom home.
1 bedroom · 1 bath · about 572 sq ft
See the concept →Backyard cottage
Studio Cottage
One open room, a real bathroom and a small kitchen.
Studio · 1 bath · about 396 sq ft
See the concept →Backyard cottage
Stay Cottage
One level, built for a parent.
1 bedroom · 1 bath · about 624 sq ft
See the concept →
Backyard cottage
The Grove
A one-bedroom backyard cottage with a timber deck.
1 bedroom · 1 bath · about 800 sq ft
See the concept →Backyard cottage
Family Two-Bedroom
Two bedrooms at opposite ends, one shared kitchen and living room.
2 bedrooms · 1 bath · about 816 sq ft
See the concept →Over a garage
Garage Apartment
A one-bedroom home over a two-car garage.
1 bedroom · 1 bath · about 624 sq ft
See the concept →Backyard cottage
Lake Guest Cottage
A bedroom, a sleeping loft and a screened porch facing the water.
1 bedroom · 1 bath · about 560 sq ft
See the concept →Sizes are approximate. “Footprint” means the outside of the walls, not counting porches or decks. Your town may measure ADU size differently, for example as a share of the main home’s living area.
Room for what comes next
Wondering what would fit on your lot?
Start with what’s possible. Find the rules, explore the options, and take it one question at a time.