Compare IKEA MYDAL bunk-bed positions for room fit, height and ladder access

The short answer

For most bedrooms, the most workable spot for the US MYDAL bunk bed frame (article 005.318.91) is against a solid wall, usually in a corner. The ladder should land on open floor along a clear path from the door, and the upper bunk should sit under a section of ceiling with no fan, pendant light or beam above it. A wall position keeps the bed out of the room's main walking route and leaves the most floor free for everything else.

Three conditions can rule that answer out for your room. First, the upper bunk is only for children six and older, so the position you choose should not depend on a younger child using it. Second, the ladder attaches where the assembly instructions put it, so the ladder's landing spot, not just the bed's outline, decides which positions work. Third, IKEA does not publish a minimum ceiling height or ladder-approach clearance for this bed. You have to measure the actual overhead space and approach route in your room rather than rely on a standard number.

What to establish before you choose a position

Split your inputs into two groups. Measurements are facts about the room and the bed that you write down. Preferences are choices you make once the measurements have eliminated the positions that don't fit.

Measure: wall lengths, and the distance from each corner to the nearest door, window, radiator, vent or outlet
Measure: the door's swing arc and the swing of closet doors and furniture drawers near each candidate wall
Measure: ceiling height at each candidate position, plus the lowest point of any fan, light fixture, beam, soffit or sloped section above it
Measure: window sill height and which way each window opens
Measure: the assembled ladder's actual projection from the frame and where its foot lands
Measure: the mattress you plan to use, including its thickness

Decide: which walking route matters most (door to ladder, door to closet, door to desk)
Decide: whether you want the bed tucked away or working as a divider between zones
Decide: how much room you want at the bed's ends for changing sheets
Decide: which activities need daylight or open floor, such as play, homework or dressing

The MYDAL numbers that matter for planning

Item	US MYDAL 005.318.91 specification	Planning use
Frame length	77⅛ in (about 6 ft 5 in)	Minimum wall length the bed occupies
Frame width	41 in	Depth the bed projects from the wall, before the ladder
Frame height	61¾ in (about 5 ft 2 in)	Starting point for frame-to-ceiling arithmetic
Floor area of frame	About 22 sq ft (77⅛ × 41 in)	Baseline footprint before ladder and access space
Mattress size	38¼ × 74⅜ in (97 × 189 cm)	Size to buy for each bunk
Maximum mattress thickness	8¼ in (21 cm)	Limits how high the upper sleeper sits relative to the guardrail
Assembly	Two people	Plan a second person for the build

Use these figures for this US model and its current assembly instructions (manual AA-206908-10). Don't mix in MYDAL specifications from another region's listing, because a different version may have different measurements.

Draw the whole bed-and-ladder outline

The listed 41-inch width describes the frame, not everything the bed needs. The assembly instructions show the ladder attached to the frame (see the ladder-and-frame drawing on page 29 of the manual). Measure how far the assembled ladder actually projects and where its foot sits. Then draw one combined outline on your floor plan, or tape it on the floor, that includes the frame, the ladder and the standing space at the ladder's foot. Compare candidate positions using that outline, not the bare rectangle.

Only compare configurations that the matching instructions show or allow. If the instructions show a single ladder position, the way to move the ladder to the other side of the room is to turn the whole bed around. Turning it also changes which long side faces the wall, so recheck the guardrail and wall relationship described below every time you rotate the plan.

Overhead space is two separate measurements

Frame-to-ceiling space and mattress-to-obstruction space answer different questions. The first tells you whether the bed fits under the ceiling. The second tells you how much room the upper sleeper has above the surface they actually lie and sit on. Calculate both.

ILLUSTRATIVE EXAMPLE (hypothetical 8-ft ceiling)

Ceiling height ............................ 96 in
MYDAL listed frame height ................. 61¾ in
Frame-top-to-ceiling difference ........... 34¼ in

This is NOT the sleeper's headroom.

Mattress-to-obstruction space =
  (height of lowest overhead feature above the bunk)
  − (height of the installed upper mattress surface)

Measure both values in your room after assembly,
with the actual mattress in place.

If a ceiling fan, pendant light, beam or sloped ceiling sits above the bunk, measure to its lowest point, not to the flat ceiling. A position can pass the frame-to-ceiling check and still leave too little room above the mattress. A fan's blade sweep is a moving obstruction, so a position directly under one is a poor candidate even when the arithmetic looks comfortable.

Comparing the main MYDAL positions

Position	Works best when	Main tradeoffs	Check first
Corner (long side and one end against walls)	You want the most open floor and the bed out of the walking route	Harder to make the upper bed; corners often hold windows, vents or radiators	Ladder foot lands on clear floor outside the door swing
Along one long wall, both ends open	No usable corner, or the corner holds a door, window or closet	Uses more wall length; the ends become walkways or dead space	Wall length covers 77⅛ in plus the end space you want
Short end against the wall, bed projecting into the room	You want two zones in one room, such as sleeping on one side and play on the other	Both long sides exposed; takes the most circulation space	Guardrail arrangement in the instructions protects both long sides of the upper bunk
Freestanding divider in an open-plan loft apartment	An open-plan dwelling needs a sleeping area separated from living space	No wall on any side; every edge needs guardrail protection; the back of the bed is on display	Instructions and labels allow it without a wall-side placement

Corner placement

A corner uses two walls and leaves the rest of the room in one continuous block. That is usually the best result in a small bedroom. The cost is daily convenience: tucking sheets on the upper bunk is awkward when only one long side is reachable. Before committing, confirm that the ladder lands where you can step off without meeting the swing of the room door, a closet door or an open dresser drawer. Also check whether a window sits beside the upper mattress, and note its sill height and how it opens.

One long wall, ends open

Moving the bed out of the corner along the same wall keeps one long side backed by the wall and makes both ends reachable for bedding. It suits rooms where the corner is taken by a door, closet or window. The tradeoff is wall length: the bed covers 77⅛ inches of wall, plus whatever space you leave at each end. Gaps that are too narrow to walk through tend to become places where things get lost.

Short end against the wall

Turning the bed so only a short end touches the wall makes it act like a peninsula. It can split a shared room into two areas. It also exposes both long sides of the upper bunk and pushes the ladder further into the room, so it uses the most circulation space of the wall-based options. Choose it only if the upper bunk has guardrail protection on both long sides as built from the instructions, and the remaining walkways still connect the door, closet and other furniture.

Freestanding in an open-plan space

"Loft" here means an open-plan loft apartment, a dwelling without full interior walls. It does not mean a loft bed. MYDAL is a two-level bunk with a sleeping surface underneath, not a loft bed with open floor below for a desk. Using it as a freestanding divider in an open-plan dwelling removes every wall from the equation. That makes the guardrail arrangement the deciding factor, and it puts the ladder approach in the middle of shared living space.

A divider often tempts people to hang curtains, fabric or storage from the frame. IKEA warns against attaching hooks or handles to this bed or hanging ropes or belts from it, so any screen or curtain needs its own support, not the bed frame. The same applies to bunk-side storage in every position: plan shelves, bins or a nightstand as separate furniture.

Guardrails, mattress height and the wall

Where the bed can go depends on how its upper bunk is protected. The US Consumer Product Safety Commission's staff bunk-bed test manual, revised in 2002, is a historical staff reference, not a current mandatory standard. Its sample warnings call for guardrails on both sides of the upper bunk. For beds without two full-length guardrails, it specifies placing the full-length rail against an adjacent wall. Follow the guardrail arrangement and labels that come with your MYDAL. If they tie a particular side to a wall, every position that leaves that side open is out.

Mattress thickness changes how much guardrail stands above the sleeper. The MYDAL manual caps mattress thickness at 8¼ inches. Its page 32 diagram compares mattress height with the guardrail and crosses out an over-thick example. The CPSC sample label puts the mattress surface at least five inches below the top of the guardrail. After assembly, measure from the top of the upper mattress to the top of the guardrail. A thicker mattress also reduces mattress-to-ceiling space, so it affects the overhead check as well.

Planning the ladder approach for everyday use

The ladder is how the upper sleeper gets in and out, often half-asleep and in the dark, so treat its approach as a walking route, not leftover space. Trace the path from the bedroom door to the ladder foot, and from the ladder foot to wherever the child goes at night, such as the hallway or bathroom. Mark anything that crosses that path: a door's swing, a desk chair pushed back from a desk, open drawers, toy bins, a rug edge.

Because no numerical approach clearance is published for this bed, judge the route by testing it. With the frame and ladder outline taped on the floor, open every nearby door and drawer fully and walk the route. If anything cuts across the ladder foot, either move that item or rotate the bed plan so the ladder lands elsewhere.

Requirements check before you commit

For each candidate position, fill in the result column with pass, conflict or unresolved. Drop any position with a conflict. Resolve every unresolved row before buying the mattress or starting assembly.

Requirement	Product or manual reference	Room or occupant measurement	Result
Upper-bunk occupant age	IKEA: no children under six on the upper bunk	Age of the intended upper sleeper	Conflict if under six
Mattress size	Manual: 38¼ × 74⅜ in	Measured mattress dimensions	Pass / conflict
Mattress thickness	Manual: maximum 8¼ in	Measured mattress thickness	Pass / conflict
Mattress-to-guardrail-top height	Manual page 32 diagram; CPSC sample label: at least 5 in	Guardrail top minus installed mattress surface	Pass / conflict / unresolved
Guardrail and wall relationship	Manual and product labels	Which upper-bunk sides are open in this position	Pass / conflict
Ladder landing and route	Manual ladder drawing (page 29)	Ladder foot clear of door and drawer swings; door-to-ladder path	Pass / conflict / unresolved
Frame-to-ceiling space	Listed height 61¾ in; no published minimum	Ceiling height at this spot minus 61¾ in	Unresolved until measured
Mattress-to-obstruction space	No published minimum	Lowest overhead feature minus installed upper-mattress surface	Unresolved until measured
Attachments to the frame	IKEA: no hooks, handles, ropes or belts	Any planned curtains, hooks or hanging storage	Conflict if planned
Assembly	IKEA: two-person assembly	Second person available; build follows the manual	Pass / unresolved

Choosing between the positions that pass

If more than one position clears every requirement, let daily use decide. Choose the corner when open floor matters most. Choose a long wall with open ends when making beds and reaching the bunks matters more than a few square feet. Choose a peninsula or freestanding layout only when dividing the space is the main goal and the bed's own guardrails make that position acceptable. In each case, the winning spot is the one where the full bed-and-ladder outline, the measured overhead space and the walking route from the door all work at the same time.