With housing needs for changing families going into the future, and the outcome is a backyard bungalow; more commonly known as a cottage, mother in law suite or guest house according to “who” has the requirement for it.

Architects use several key terms to describe single family home plans built to accommodate multi generational living: in law suite plans, mother in law suite plans, guest suite plans, two master plans, and dual living plans.

Each plan category includes private areas for independent living such as small kitchenettes, private bathrooms, multiple living areas or sitting rooms, and private entrances.

What are the differences between house plans with two master bedrooms versus a guest suite? Size. Most often, a second master suite will include an en suite bathroom, large bedroom, private sitting area or alcove area, and walk in closet. A guest suite may or may not include a private bathroom - sometimes the suite shares a hallway bathroom referred to as a "buddy bath" with two entrances (one from the bedroom and one through the hallway).