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Duplex architecture

26 plans · Curated since 2002

Duplex.

Discover thoughtfully designed duplex floor plans that maximize space and privacy while offering the perfect balance of shared and independent living.

View featured plan

New arrivals

The four newest Duplex plans.

Bridger — Modern Farmhouse

Bridger

~~$1,998~~$1,698

Plan #31013

3 bd3 ba1,443 sqft1 bay

Fairmont Acres — Modern Farmhouse

Fairmont Acres

~~$1,998~~$1,698

Plan #30903

3 bd3 ba1,492 sqft2 bays

Pine Breeze — Modern Farmhouse

Pine Breeze

~~$2,098~~$1,783

Plan #30902

3 bd3 ba1,707 sqft2 bays

Hawk Ridge — Modern Farmhouse

Hawk Ridge

~~$2,198~~$1,868

Plan #30876

3 bd4 ba2,093 sqft2 bays

All plans

The complete Duplex collection.

Refine by bedrooms, bathrooms, square footage, or price. We have 26 plans in this style.

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Showing 26 of 26 plans

Hemingway — Modern Farmhouse house plan by Advanced House Plans

Modern Farmhouse

Hemingway

~~$1,998~~$1,698

3 bd2 ba1,483 sqft2 bays

Whitaker — Modern Farmhouse house plan by Advanced House Plans

Modern Farmhouse

Whitaker

~~$1,798~~$1,528

2 bd2 ba932 sqft1 bay

Kirkland — Modern Farmhouse house plan by Advanced House Plans

Modern Farmhouse

Kirkland

~~$1,898~~$1,613

3 bd2 ba1,277 sqft1 bay

McCollum — French Country house plan by Advanced House Plans

McCollum

~~$1,498~~$1,273

1 bd1 ba689 sqft2 bays

Banks — Traditional house plan by Advanced House Plans

Banks

~~$1,998~~$1,698

3 bd2 ba1,412 sqft2 bays

Deerfield — Craftsman house plan by Advanced House Plans

Deerfield

~~$2,098~~$1,783

3 bd3 ba1,828 sqft2 bays

Camden — Cottage house plan by Advanced House Plans

Camden

~~$1,798~~$1,528

2 bd1 ba880 sqft1 bay

Urbandale — Modern Farmhouse house plan by Advanced House Plans

Modern Farmhouse

Urbandale

~~$1,898~~$1,613

2 bd2 ba1,258 sqft2 bays

Wheatland — Cottage house plan by Advanced House Plans

Wheatland

~~$1,898~~$1,613

2 bd1 ba1,231 sqft1 bay

Callahan — Traditional house plan by Advanced House Plans

Callahan

~~$1,898~~$1,613

3 bd2 ba1,381 sqft2 bays

Hawk Ridge — Modern Farmhouse house plan by Advanced House Plans

Modern Farmhouse

Hawk Ridge

~~$2,198~~$1,868

3 bd4 ba2,093 sqft2 bays

Whitley — Modern Farmhouse house plan by Advanced House Plans

Modern Farmhouse

Whitley

~~$1,998~~$1,698

3 bd3 ba1,464 sqft1 bay

Valley Heights — Craftsman house plan by Advanced House Plans

Valley Heights

~~$1,998~~$1,698

3 bd2 ba1,616 sqft2 bays

Clarence — Craftsman house plan by Advanced House Plans

Clarence

~~$1,898~~$1,613

2 bd1 ba1,245 sqft1 bay

Boucher — Modern Cottage house plan by Advanced House Plans

Boucher

~~$2,398~~$2,038

4 bd5 ba2,731 sqft2 bays

Barclay — Craftsman house plan by Advanced House Plans

Barclay

~~$1,998~~$1,698

3 bd2 ba1,438 sqft2 bays

Bosworth — Traditional house plan by Advanced House Plans

Bosworth

~~$1,898~~$1,613

2 bd2 ba1,189 sqft2 bays

Dalton — Traditional house plan by Advanced House Plans

Dalton

~~$1,898~~$1,613

2 bd2 ba1,269 sqft2 bays

Ebony Hills — Traditional house plan by Advanced House Plans

Ebony Hills

~~$1,798~~$1,528

1 bd1 ba817 sqft2 bays

Pine Breeze — Modern Farmhouse house plan by Advanced House Plans

Modern Farmhouse

Pine Breeze

~~$2,098~~$1,783

3 bd3 ba1,707 sqft2 bays

Olson Court — Craftsman house plan by Advanced House Plans

Olson Court

~~$1,998~~$1,698

2 bd3 ba1,454 sqft

Azalea — Modern Cottage house plan by Advanced House Plans

Azalea

~~$2,098~~$1,783

3 bd3 ba1,709 sqft1 bay

Springfield — Traditional house plan by Advanced House Plans

Springfield

~~$1,998~~$1,698

3 bd2 ba1,418 sqft2 bays

Waycross — Modern Farmhouse house plan by Advanced House Plans

Modern Farmhouse

Waycross

~~$1,998~~$1,698

3 bd3 ba1,495 sqft2 bays

Fairmont Acres — Modern Farmhouse house plan by Advanced House Plans

Modern Farmhouse

Fairmont Acres

~~$1,998~~$1,698

3 bd3 ba1,492 sqft2 bays

Bridger — Modern Farmhouse house plan by Advanced House Plans

Modern Farmhouse

Bridger

~~$1,998~~$1,698

3 bd3 ba1,443 sqft1 bay

End of collection · 26 plans

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About the style

Duplex

A short history

Discover thoughtfully designed duplex floor plans that maximize space and privacy while offering the perfect balance of shared and independent living. These innovative two-unit homes feature separate entrances and complete living spaces under one roof, making them ideal for multi-generational families, rental income opportunities, or co-living arrangements.

Modern duplex designs seamlessly blend functionality with style, typically offering 2-3 bedrooms per unit, open-concept living areas, and dedicated parking. Each unit maintains its own kitchen, bathrooms, laundry facilities, and private outdoor spaces, ensuring comfortable, independent living. Common layouts include side-by-side units, stacked configurations, or front-to-back arrangements, each optimized for the lot size and privacy considerations.

Today's duplex plans incorporate contemporary features like first-floor primary suites, flexible home office spaces, and smart home technology pre-wiring. Energy-efficient designs include upgraded insulation, solar panel readiness, and modern HVAC zoning for individual climate control. Many plans feature spacious kitchens with islands, walk-in pantries, and connection to outdoor living spaces through sliding doors or covered patios.

These versatile homes excel at sound isolation between units, often utilizing advanced construction techniques and materials to ensure privacy. Thoughtful touches like separate utility meters, dedicated storage areas, and carefully planned parking solutions make daily living smooth and convenient. Whether you're looking to generate rental income, accommodate extended family, or share ownership costs with another household, duplex plans offer practical solutions with modern comfort.

Popular configurations range from 1,200 to 2,500 square feet per unit, with options for both single-story and two-story designs. Many plans feature adaptable spaces that can serve as home gyms, media rooms, or children's play areas. Exterior designs vary from traditional to contemporary, with options for mixed materials, varied roof lines, and architectural details that create distinct identities for each unit while maintaining a cohesive overall appearance.