How to plan IKEA built in wardrobes with PAX

IKEA built in wardrobes are usually built around the PAX system, not a fully custom cabinet. That distinction is important. PAX can look fitted when the room is measured accurately, the frames are fixed to the wall correctly, and fillers or trim are used to close the gaps. It still has to work within IKEA’s standard frame sizes.

For many bedrooms, guest rooms, and walk-in closets, the appeal is straightforward: modular frames, KOMPLEMENT interiors, door options, lighting options, and an online planner. The trade-off is that irregular walls, sloped ceilings, narrow alcoves, and exact wall-to-wall dimensions may need carpentry around the IKEA units. This guide covers how to plan a PAX-based built-in look, what measurements to check first, and when a custom wardrobe may be the better choice.

What people usually mean by IKEA built in wardrobes

In most home projects, IKEA built in wardrobes are really semi-built-in installations. The storage core is made from IKEA PAX frames. The fitted look comes from the surrounding work: leveling, anchoring, side fillers, top trim, toe-kick treatment, and sometimes custom doors or painted panels.

That is different from a cabinetmaker-built wardrobe, where every carcass, rail, door, and infill can be made to the exact opening. PAX is modular. It is planned from standard frame widths, depths, and heights, then adapted visually to the room. This modular approach is why the system is popular, but it also makes careful pre-planning essential.

IKEA’s PAX and KOMPLEMENT materials present the system as a wardrobe platform with frames, doors, interior organizers, accessories, and planning tools. IKEA also markets fitted wardrobe combinations on its U.S. website. In practice, a polished built-in result depends on how well the installation deals with the gap between a rectangular furniture system and real walls that may not be square.

For more background on fitted storage concepts, see the built-in furniture section.

Measure the room before choosing PAX frames

The first decision is not the door style or drawer layout. It is whether the room can physically accept the frame combination you want. Measure the width, height, depth, baseboard thickness, floor level, wall straightness, outlet locations, vents, switches, ceiling fixtures, and door swing clearances.

IKEA’s PAX buying guide lists common frame heights of 79 1/4 inches and 93 1/8 inches, frame depths around 13 3/4 inches and 22 7/8 inches, and modular widths around 19 5/8 inches, 29 1/2 inches, and 39 1/4 inches depending on the frame. These increments are useful, but they rarely fill a wall perfectly. Most built-in-looking projects therefore need a filler zone on one or both sides.

Planning point	Why it matters	Practical check
Ceiling height	Tall frames need space for assembly and positioning.	Compare the actual ceiling height with the minimum assembly clearance in IKEA’s guide.
Wall width	PAX widths are modular, not custom to the inch.	Plan side fillers instead of forcing frames into a tight opening.
Depth	Shallow frames suit narrow rooms; deeper frames fit hanging clothes better.	Allow for doors, handles, drawers, lighting, and walkway space.
Baseboards and flooring	Existing trim can stop frames from sitting flush.	Decide whether to remove baseboards or build a plinth.
Wall fixing	Tall storage must be secured safely.	Identify studs or suitable masonry fixings before assembly.

Design around the smallest measurement, not the largest. If an opening is 120 inches wide at the floor but 119 1/2 inches wide near the ceiling, the smaller dimension controls the layout. Built-in furniture often looks wrong when the installer assumes the walls and ceiling are straight.

How to make PAX look more built in

The most convincing PAX built-in projects treat the IKEA frames as the internal storage structure and use finish carpentry to connect them to the room. The aim is not to hide every sign of IKEA. It is to remove the freestanding furniture look.

Use a level base or plinth

A level base is especially important in older homes or rooms with uneven floors. If frames sit directly on an uneven floor, door gaps and drawer alignment can be difficult to correct. A simple plinth can lift the wardrobe above carpet, create a more cabinet-like base, and provide a clean line for base trim.

Close the side and top gaps

Side fillers and crown or flat top trim are usually what turn a row of wardrobes into a fitted wall. Leave enough room for the frames to be assembled, lifted, adjusted, and anchored, then cover the remaining space with trim. Trying to make PAX fit with no allowance can create problems if the wall bows or the ceiling is not level.

Plan the door style early

Hinged doors, sliding doors, mirrored panels, open wardrobes, and custom fronts all change the built-in effect. Hinged doors often look closer to traditional cabinetry, but they need swing clearance. Sliding doors can suit tight rooms, yet they add track depth and limit access to one part of the wardrobe at a time. Open PAX frames can feel lighter in walk-in closets, but they require more day-to-day organization.

Decide whether to paint or color-match trim

If the wardrobe is meant to look like part of the room, the trim, fillers, and surrounding wall color matter. A white PAX frame with bright white trim may look seamless in one room and mismatched in another because paint undertones vary. Test paint samples near the frame finish before committing to a full trim package.

Storage planning is where PAX is strongest

The strongest argument for using PAX is not that it can imitate custom cabinetry. It is that the system gives homeowners a structured way to plan storage interiors. KOMPLEMENT organizers include shelves, clothes rails, drawers, trays, shoe storage, dividers, baskets, glass shelves, and lighting-compatible layouts. IKEA’s planner also lets users test combinations and generate a shopping list, which reduces the guesswork in closet design.

Before choosing inserts, group the wardrobe by use case:

• Daily hanging clothes: prioritize easy-height rails and enough depth for hangers.
• Folded clothing: use drawers or shelves, but avoid deep stacks that are hard to maintain.
• Shoes and accessories: plan lower sections with pull-out trays or shelves.
• Seasonal storage: reserve high shelves for items used less often.
• Shared wardrobes: divide the interior by person before choosing drawer quantities.

A common planning mistake is using too many drawers because they look orderly in the planner. Drawers are useful, but they add cost, weight, and clearance requirements. A balanced layout usually combines hanging space, shelves, and a smaller number of drawers where they improve daily use.

Integrated lighting can also improve usability. IKEA’s PAX planning materials show lighting as a finishing option, including sensor-based and smart-control choices in some configurations. From a design standpoint, lighting is most useful in deep wardrobes, dark finishes, rooms with limited natural light, and tall sections where upper shelves become shadowed. See also: buying guides.

Safety and installation details should not be treated as optional

Because PAX is tall furniture, wall fixing is a core part of the project rather than a final detail. IKEA’s PAX buying guide states that furniture with included restraints must be secured to the wall according to the assembly instructions, and that different wall materials require different hardware. The guide also notes that PAX frames must be mounted flush to the wall according to the assembly instructions.

For U.S. readers, clothing storage safety is not only a brand recommendation. The Consumer Product Safety Commission has addressed tip-over risks for clothing storage units through federal safety requirements and guidance. For a home project, the practical point is clear: tall wardrobes should be anchored with hardware suited to the wall type, and installation should follow the manufacturer’s instructions.

Built-in trim does not replace anchoring. A frame can look enclosed and still be unsafe if it is not properly fixed. If the wardrobe is installed over thick baseboards, on carpet, in front of uneven plaster, or against masonry, the fixing method needs to be planned before the frames are assembled. When in doubt, use a qualified installer or carpenter who understands both furniture assembly and wall construction.

When IKEA PAX is a good choice and when it is not

PAX is a strong option when the room is relatively square, the required storage fits IKEA’s standard dimensions, and the desired finish can be achieved with simple trim. It is also useful when flexibility matters. Interior organizers can be changed later more easily than fully custom built-ins, and the planner makes it easier to visualize the design before purchase.

PAX is not always the right answer. A fully custom wardrobe may be better for sloped ceilings, unusual alcoves, historic homes with uneven walls, very narrow spaces, luxury flush finishes, or projects where every inch must be used without visible fillers. Custom cabinetry can also address special requirements such as integrated HVAC access, unusual door heights, non-standard wood finishes, or exact alignment with existing wall paneling.

Choose PAX when	Consider custom cabinetry when
The wall can accept standard frame modules.	The space has sloped ceilings or irregular angles.
You want flexible organizers and replaceable interiors.	You need every panel made to exact dimensions.
Painted trim can create the fitted effect.	The finish must match existing millwork precisely.
The budget favors modular components plus carpentry.	The project requires a one-piece architectural installation.
You are comfortable with IKEA’s assembly logic.	You want a single contractor to design, build, finish, and install everything.

The decision is not always PAX versus custom. Many successful projects are hybrids: IKEA frames and interiors, plus custom fillers, trim, lighting coordination, handles, or doors. That route can deliver a fitted appearance while keeping the storage system modular.

A practical planning sequence for a fitted PAX project

A clear sequence helps avoid costly rework. Start with the room, then the frame layout, then the doors, then the interiors, and only then the finish details.

1. Measure the wall in several places. Record width at the floor, middle, and ceiling; height at multiple points; and available depth.
2. Check ceiling clearance. Compare your room with IKEA’s assembly clearance guidance for the frame height and depth you want.
3. Select frame modules. Build the widest practical layout while leaving realistic space for fillers.
4. Choose hinged, sliding, open, or custom fronts. Confirm door swing, track depth, handle projection, and nearby furniture clearance.
5. Plan interiors by clothing type. Do not start with accessories; start with what you actually store.
6. Map electrical and lighting needs. Decide whether lighting is battery, plug-in, hardwired by an electrician, or omitted.
7. Plan wall anchoring. Identify studs, masonry, or other wall conditions before assembly day.
8. Design fillers and trim. Choose whether the finish will blend with the wardrobe, the wall, or other room millwork.
9. Allow time for adjustment. Door alignment, drawer clearance, and trim scribing can take longer than frame assembly.

This sequence also helps with budgeting. The visible cost of PAX frames and organizers is only part of a built-in wardrobe project. Delivery, assembly, trim materials, paint, tools, lighting, hardware, and professional labor can all change the final cost substantially.

Frequently asked questions

Can IKEA PAX really be used as a built-in wardrobe?

Yes, but it is more accurate to call it a fitted or semi-built-in wardrobe. PAX provides the storage structure, while trim, fillers, anchoring, and finish work create the built-in appearance.

Do IKEA built in wardrobes need to be fixed to the wall?

Yes. Tall wardrobe frames should be secured according to the manufacturer’s assembly instructions. IKEA’s PAX materials specifically refer to wall restraints, suitable hardware for different wall materials, and mounting frames flush to the wall.

Are sliding doors or hinged doors better for a PAX built-in look?

Hinged doors often look more like classic cabinetry and allow full access to a section when opened. Sliding doors save floor space in tight rooms but require tracks and only expose part of the wardrobe at one time. The better choice depends on room clearance and the desired style.

What is the biggest limitation of PAX for built-in wardrobes?

The biggest limitation is fixed sizing. PAX frames come in standard dimensions, so the design must work around those modules. If the room requires exact wall-to-wall sizing with no visible adaptation, custom cabinetry may be more suitable.

Should you install PAX yourself or hire a professional?

Simple freestanding-style layouts may be manageable for experienced DIY users. A built-in-look project with plinths, scribed fillers, crown trim, lighting, or uneven walls often benefits from a carpenter or professional installer.

The bottom line

IKEA PAX can be an effective foundation for built-in-looking wardrobes when the project respects the system’s limits. The best results come from accurate measuring, realistic filler planning, proper anchoring, balanced storage interiors, and trim that connects the frames to the room. If the space is highly irregular or the finish must be fully bespoke, custom cabinetry may be the better investment. For many bedrooms and walk-in closets, a carefully planned PAX installation offers a practical middle ground between freestanding furniture and made-to-measure built-ins.