To install a sliding door wardrobe you fix the bottom track to a level floor, fix the top track directly above it so the two are perfectly aligned, then hang the doors by tilting them into the top channel and dropping the rollers onto the bottom track. Once both doors are in place you adjust the roller screws until the panels sit plumb and pass each other without catching. Most fitters allow two to three hours for a two door opening, working with a second pair of hands for the heavier mirrored panels.
That is the short answer. The detail that decides whether the doors glide silently for years or judder within a fortnight lies in the preparation: the levelling, the alignment of the two tracks and the honest assessment of your bedroom walls before a single screw goes in. UK homes rarely offer square corners or flat floors, so the sections below deal with real rooms rather than showroom conditions.
Gather everything first. Stopping halfway to hunt for a longer drill bit is how tracks end up slightly out of true. A spirit level of at least 1200mm is the single most useful tool here, because a short level will happily tell you a bowed floor is flat. You will also want a cordless drill, a pencil, a tape measure, a stud detector, packers or thin timber shims, and fixings suited to your wall type.
Wall type matters more than most instructions admit. Solid brick or block takes plugs and screws without complaint. Plasterboard on timber studs needs the top track fixed into the studs themselves wherever possible, with hollow wall anchors only as a secondary measure. Dot and dab plasterboard, common in newer UK builds, leaves a void behind the board, so use fixings long enough to reach the masonry rather than relying on the board alone. A sliding door carries real weight, particularly a mirrored one, and the top track is what stops it lifting out.
Measure the width in three places: at floor level, at mid height and near the ceiling. Do the same for the height at the left, centre and right. Note the smallest width and the smallest height, as those are the figures your doors must fit within. If the difference across the width is more than about 10mm you are dealing with a noticeably out of square opening, which is normal in older properties and simply means your side filler panels or scribe strips will do more work.
If you are ordering doors rather than fitting a supplied set, deduct the clearance the track system requires. Every system differs, so follow the figures given for that track rather than a general rule. When you are choosing between a fitted run and a standalone unit, it is worth comparing the effort against ready made modern sliding wardrobes UK shoppers can assemble in an afternoon, since a freestanding unit removes the alignment problem entirely.
Start at the floor. Position the bottom track so its front edge sits where you want the door face to land, usually flush with the front of the side panels. Check it for level along its full length. Where the floor dips, slide thin packers underneath until the level reads true, then mark your fixing positions through the track holes.
On carpet, most systems allow the track to sit on the carpet itself, though fixing through into the boards below gives a firmer result. On laminate, avoid screwing through the boards where they need to expand and contract: use the fixing method the track supplier specifies for floating floors. On tiles, drill with a suitable bit at low speed and take your time.
Tighten the screws gradually and recheck level as you go. Overtightening one end will pull the track down into a dip you have just packed out and undo your work.
The top track must sit directly above the bottom track, not simply parallel to the ceiling. Use a plumb line or a long level held vertically against the front edge of the bottom track to transfer the position upward at both ends, then join the marks with a pencil line. If your ceiling slopes, and many upstairs rooms in older UK houses do, follow the plumb marks rather than the ceiling line and close any resulting gap with a fascia or filler strip afterwards.
Locate the joists or studs above and fix into them. Where a fixing point falls between joists, use a suitable hollow ceiling anchor rated well above the door weight. Check the track for level once fixed, then measure the distance between the top and bottom tracks at both ends: those two figures should match. If they differ, the doors will run tight at one side.
Fit the rear door first. Lift the panel, tilt the top edge into the rear channel of the top track, then bring the bottom in and lower the rollers onto the rear rail of the bottom track. Take the weight with your knees and forearms rather than gripping the edges, and if the panel is mirrored, have someone steady the far end.
Repeat with the front door on the front channel and rail. Slide both panels fully across in each direction and watch for three things: whether the leading edge sits parallel with the side panel, whether the doors brush against each other, and whether either panel rocks on its rollers.
Adjustment is done at the roller brackets, usually with a screwdriver or hex key through an access hole near the bottom edge. Raising the roller lifts that corner of the door. Work in small quarter turns, testing after each one. A door that meets the side panel tightly at the top and gapes at the bottom needs the roller on that side raised, and the opposite for the reverse. Finish by fitting the anti jump devices or top guides if the system includes them, as these stop a door lifting off the track when pushed hard.
Sliding doors mean one half of the opening is always covered, so plan the interior around that. Deep drawers and pull out baskets are better placed centrally where either door can expose them, while long hanging is best at the outer edges. Allow around 600mm depth for comfortable hanging on a standard rail, and keep shelf runs shallower where possible so folded items stay visible.
Lighting inside the carcass makes a real difference on darker mornings, and a full length mirror on the outer face of one panel saves floor space in a smaller room. If your panels are all timber or glass, a separate mirror nearby covers the same need, and there are plenty of bedroom mirrors UK sale options that suit the same finishes.
A door that judders usually has debris in the bottom track or a roller that has picked up carpet fibres. Vacuum the channel and check the wheels turn freely. A door that jumps out of the top track points to a top track fixed slightly too far forward or backward relative to the bottom, or missing anti jump guides.
A gap where the two panels overlap in the closed position often traces back to the tracks being level individually but not square to each other. Recheck the top to bottom measurement at both ends before touching the rollers again. Squeaking is normally dry rollers rather than a fault, and a light dry lubricant on the wheel bearing rather than in the channel solves it.
If the wardrobe sits against an uneven wall and the side panel shows a tapering gap, a scribed filler strip cut to follow the wall line hides it neatly and looks intentional once the room is finished.
Fitting into an alcove is worthwhile when the space is genuinely dedicated to storage and you plan to stay put. In a rented flat, or where the room may change use, a standalone unit is the more practical choice: no drilling into ceilings, no permanent alteration and it moves with you. We stock both approaches, and our range of wardrobes UK sale covers hinged and sliding designs in finishes that work alongside existing bedroom pieces. It is also worth thinking about the rest of the room at the same time, since matching modern bedside cabinets UK pull a scheme together far more effectively than a single statement piece does.
Whichever route you take, the installation principles stay the same: level floor track, plumb alignment, secure top fixings and patient adjustment. Take those four in order and the doors will do exactly what they should, which is move quietly and disappear into the background. You can browse the wider bedroom collection at Furniture in Fashion, where we offer free delivery to most UK mainland postcodes.
The tracks can be fitted alone without difficulty. Hanging the doors is safer with two people, especially with mirrored panels, because tilting a tall panel into the top track while supporting its weight is awkward and risks chipping an edge.
Most systems use both. The bottom track carries the weight through the rollers and the top track guides the panel and stops it swinging out. Some top hung systems reverse this, carrying the load above and using a slim floor guide instead.
Very little, which is their main advantage. The panels move within their own width, so you only need enough room to stand comfortably in front of the opening rather than the swing depth a hinged door requires.
Pack the bottom track with thin shims until a long spirit level reads true across the full run. Do not rely on roller adjustment alone to correct a sloping floor, as it uses up the range you need for fine tuning later.
Often yes, provided the carcass is sound, the opening is a consistent width and there is a solid top rail to take the upper track. Check the maximum door weight the track is rated for before ordering panels.
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