Two children sharing a room
Put the child who can use the ladder half-asleep, and who suits the maker’s marking, on the upper bed, and plan the room around the ladder and the door. Then find each child a corner, a shelf and a light that is theirs.
Who goes on top
What age for a top bunk? explains the under-six warning on upper beds and why it is a minimum, not a target. We will not add another age. The practical test is whether the child on top will climb down the ladder at night without help, and whether the maker’s own age and weight marking suit them. If neither child is ready, two floor-level beds are the answer, even in a small room.
Swapping the top bed as a treat is common. Only do it if both children are already inside the maker’s marking for the upper bed.
Floor, ladder and door
Two children means two sets of clothes, two school bags and twice the traffic at bedtime. How much floor space does a bunk bed need? shows how to plan from the maker’s overall size rather than the mattress. Leave a clear path from the door to the ladder, so the child coming down in the dark does not meet a toy box.
Ladder side, doors, radiators and windows covers where the climb should land. In a shared room it also matters who walks past it. A ladder away from the door keeps the busy part of the room clear.
A little privacy
Each child does better with something that is only theirs: a shelf by their pillow, a hook, a drawer, a reading light they control. On a bunk the lower bed can feel like a den, and the upper bed like a lookout. Some families hang a curtain on the lower bed. Keep any fabric away from the guard rail and the ladder, and never tie anything across the opening of the upper bed.
Bedtimes may differ. A lamp aimed at one bed, rather than the main light, lets one child read while the other sleeps.
Questions people ask
Should the younger child always sleep on the bottom bunk?
Usually, yes. The upper bed carries the under-six warning, and some makers set a higher age. Follow the marking on your bed.
Is a bunk the only option for a small shared room?
No. Two singles, a cabin with a single opposite, or a trundle can all work. Measure the floor first.
Sources
Opened 13 November 2026. The maker’s sheet and the mark on the bed take precedence.