Multigenerational · Space Planning
Sandra’s mother moved in when the pandemic started. That was supposed to be temporary. Four years later, nobody wants to change it — they have found a rhythm, the children love having their grandmother down the hall, and the household works better than any of them expected. The problem is that the house was not designed for it.
The master bedroom became Sandra’s mother’s room. Sandra and her husband moved their bedroom to what was the home office. The home office moved to a corner of the basement. Three families are sharing one kitchen, one living room, one entry, and one bathroom on the main floor. The house is big enough. The design is not.
This story is playing out in homes across Ontario right now. Multigenerational living is the fastest growing household type in the province. Aging parents, returning adult children, or extended family who moved in during uncertain times — a growing number of Ontario households contain more than one generation under one roof. Almost none of the homes they are living in were designed for it.
Shared core, private wings. The kitchen and living area connect generations daily. Each generation has their own clearly defined retreat. Nobody is constantly in each other’s space.
No private entry for the secondary generation. When everyone enters and exits the home through the same door, at the same hallway, past the same kitchen, independence becomes impossible. A parent or adult child who cannot come and go without passing through the active household cannot maintain the autonomy that makes shared living sustainable. A separate entrance — even a modest one — changes the relational dynamic of the entire arrangement.
One kitchen for two households. Cooking is one of the most personal of daily activities. Different generations cook differently, shop differently, eat at different times, and maintain different standards for the kitchen between uses. A shared kitchen that does not have defined zones for each household’s primary use creates persistent low-level friction that is rarely about the cooking itself.
Acoustic exposure without visual privacy. The grandparent who can hear every argument, the parents who can hear the television at 11pm, the adult child who can hear their parents’ conversations — acoustic privacy is as important as visual privacy in a multigenerational home. A well-designed multigenerational home places bedrooms away from shared gathering spaces and uses material choices, room positioning, and ceiling height to manage sound.
Shared bathrooms between generations. The morning rush in a multigenerational household involves more people, more different routines, and more conflicting schedules than any single-generation household. A bathroom shared between the grandparents and the grandchildren is a daily negotiation. Two bathrooms, or a bathroom designed around a clear zoning of use, is not a luxury — it is the difference between a household that functions and one that grates.
Every multigenerational home needs to solve the same fundamental problem: how do multiple independent households share a single building without sacrificing the independence that makes each household functional?
The answer is always some version of the same design principle: a shared core and private retreats. The kitchen, dining area, and main living space are genuinely shared — they are designed for gathering and connection. The sleeping areas, bathrooms, and personal spaces are genuinely private — they are designed for independence, rest, and retreat.
The transition between the two — how you move from the shared space to your private space — is where most multigenerational homes fail. When there is no clear threshold, no architectural moment that signals “this is now your space,” the privacy does not feel real even when it technically exists.
“Multigenerational living is not a compromise. It is one of the most demanding spatial design briefs there is. The homes that handle it well were designed for it.”
How much independence does each generation need? This is not a fixed answer. A recently retired parent who is active, social, and independent needs very different spatial provisions than a parent who requires daily support. An adult child who works from home needs different accommodation than one who is away most of the day. The spatial design follows from this conversation, not from a generic multigenerational template.
What does each generation need that the current home does not provide? Not what would be nice — what is actively missing that is creating daily friction. A separate entrance. A kitchenette. A sitting room. A bathroom that does not require crossing the household to reach. Identifying these specifically is the starting point for a renovation that actually changes the experience of living together.
What is the ten-year scenario? Multigenerational homes that are designed for today’s dynamic often need to be redesigned within five years as circumstances change. Building in flexibility — rooms that can transition between functions, spaces that can be divided or opened as the household evolves — is one of the most valuable design decisions in a multigenerational home.
If your multigenerational household is creating friction, the Discovery call is a conversation about the specific spatial dynamic in your home and what would need to change to make it genuinely work for everyone. Free, thirty minutes, no obligation.