PM-0475 | Two-generation house plan with basement

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Building type: Semi-detached and Multi-generational / Single-family home


Architectural style: Contemporary


Area: 3,550 sq ft


Number of floors: 1


Foundation type: Poured concrete


Garage: Single garage


Number of bedrooms/offices: 6


Bathrooms: 3


Building width: 40'


Building depth: 52'


Basement: Finished basement


Walk-out: No


Mezzanine: No


*All our plans are fully modifiable according to your tastes and needs.


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Two-generation house plan with basement: A contemporary design for two generations


Designed to meet the needs of today's families, this two-generation house plan with a basement offers a modern, comfortable, and versatile solution, allowing two households to live together harmoniously while maintaining their privacy. With its contemporary architecture, clean lines, and thoughtful layout, this semi-detached model offers a living environment that is both functional and welcoming, ideal for families wishing to unite two generations under one roof without compromising on comfort or space.


A refined exterior design and contemporary architecture


From the first glance, this two-generation single-family home stands out with its sophisticated appearance. The harmonious interplay of contemporary materials—stone cladding, wood, and large windows—gives the residence an elegant and modern architectural signature. The integrated, discreet, and well-proportioned single garage adds to the building's functionality while seamlessly integrating into the overall aesthetic.


With a width of 40' and a depth of 52', the house boasts balanced proportions and a modern silhouette that blends seamlessly into both urban and natural or wooded settings.


A functional main floor designed for everyday comfort


The main floor, occupying a significant portion of the total 3,550 sq ft, was designed to offer fluid circulation and bright, airy spaces. The large open-concept living area encompassing the living room, dining room, and kitchen creates a welcoming environment ideal for entertaining, sharing, and enjoying everyday life with family. Large windows maximize natural light while providing unobstructed views of the backyard and covered terrace.


The main floor features three well-proportioned bedrooms, including a master bedroom with a spacious walk-in closet. The two other bedrooms also offer comfortable space for children, guests, or a home office. A large, full bathroom with a separate bathtub and shower ensures maximum convenience.


Thanks to its carefully considered layout, this level allows the primary family unit to enjoy a complete, spacious, and fully independent living space.


A perfectly designed, multi-generational basement


The main strength of this multi-generational house plan with a basement lies in its fully finished lower level, designed to accommodate a second, independent unit. This secondary dwelling has everything needed to ensure the comfort and independence of another generation: a living room, family room, kitchen/dining room, two bathrooms, and three additional bedrooms.


The strategic placement of the rooms ensures maximum privacy while remaining functional. Occupants thus enjoy a complete, bright, and comfortable space, with a well-positioned entrance that preserves the privacy of both households. The basement also includes a utility room and practical storage spaces for well-organized daily life.


This layout makes this model an ideal solution for accommodating an aging parent, a young adult seeking their first independent living space, or a family looking for a versatile additional dwelling.


A versatile, sustainable model adapted to today's needs


Whether you're looking to reduce living costs, support a family member, or simply enjoy extra space, this model represents a sustainable and adaptable architectural option. Its poured concrete structure, single-story design, and fully finished basement ensure a solid, high-performance building adapted to Quebec's climate.


With its 6 bedrooms, 3 bathrooms, attached garage, and contemporary design, this plan perfectly embodies the modern multigenerational home, designed to stand the test of time and adapt to the evolving needs of a growing family.