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Parenting & Family

Intergenerational Household Planner

Three generations in one house: the space per person, the routine collisions and the money that actually changes.

Quick answer

A six-person, three-bedroom, one-bathroom household has about 18 square metres per person and a 42-minute morning bathroom queue if nobody staggers, which is why routine, not floor area, is what usually decides whether multigenerational living works.

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Intergenerational Household Planner

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Frequently asked

How much space does a multigenerational household need?

Space standards differ by country, but below roughly 20 square metres per person households consistently report crowding effects. The more useful test is whether every person, including the children, has one place they can be alone in.

How should money be handled?

The arrangements that survive tend to be explicit and small: a fixed monthly contribution rather than a share of each bill, agreed before moving in, and reviewed annually. Ad-hoc contributions produce the same argument monthly.

What goes wrong in multigenerational households?

Undiscussed drift in the caring balance. The arrangement usually starts with the older generation providing childcare and ends with them needing care, and almost nobody plans the transition. Naming it early makes it a plan instead of a crisis.