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If you have the bedroom for it, a super king divan ottoman storage base is the most storage you can buy in a single bed. At 180cm wide and 200cm long, the cavity beneath the mattress is enormous, enough to swallow the contents of a chest of drawers, a blanket box and a fair share of a wardrobe, all hidden under where you sleep. For a large bedroom in a UK home, it is the most efficient use of floor space there is: the bed you already need doubles as the storage furniture you would otherwise have to find room for.
This guide is about the super king specifically, because the largest size brings considerations the smaller bases do not. We will look at just how much it stores, who it genuinely suits, the room size and clearance you need to use it properly, and the mattress and mechanism factors that matter more at this scale. If you are weighing up a divan ottoman storage base in UK and have the space to go large, this is the detail you need before committing to the biggest option.
Just how much does a super king store?
The headline appeal is the sheer volume. A super king ottoman base opens to reveal a single cavity using the full 180 x 200cm footprint of the bed, and because the base is typically deep, that translates into a remarkable amount of usable space. To put it in practical terms, a super king cavity comfortably holds:
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Multiple spare duvets and a full set of seasonal bedding
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An entire season's wardrobe rotation, coats, boots, jumpers, moved out of the way until needed
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Several large suitcases, nested, with room to spare
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Bulk household linen, towels and spare pillows
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Keepsakes, archive boxes and the overflow that has nowhere else to live
In a home where storage is the constant battle, a super king ottoman base can genuinely replace a chest of drawers and ease the load on an overflowing wardrobe, while taking up no more floor than the bed you were going to have anyway. That is the core argument: at this size, the storage is not a bonus feature, it is furniture in its own right.
Who a super king ottoman base genuinely suits
The super king is not for everyone, and being honest about fit saves you money and regret.
It suits larger bedrooms first and foremost, you need the floor for the bed and the clearance to open it (more on that below). It suits couples who want space, since 180cm gives each sleeper the room of a generous single. It suits homes short on storage furniture, where the under-bed cavity does real work. And it suits anyone furnishing a master bedroom as a statement, where a large, well-upholstered divan with a tall headboard anchors the room.
It does not suit a small or average box room, at 180cm wide plus opening clearance, it will dominate and frustrate. In a tight space, a double or king ottoman base delivers excellent storage without overwhelming the room. Size up only if the room can genuinely take it; otherwise you are buying storage you cannot comfortably access.
The room size and clearance you actually need
This is the consideration unique to the super king, and the one most often underestimated. A 180 x 200cm base needs more than its own footprint to function, it needs room around it and, critically, clearance to open.
Floor footprint. Allow for the 180 x 200cm base plus walking space on the sides you access. As a rough guide, a comfortable super king bedroom wants to be a good size, cramming one into a room that barely fits the footprint leaves no room to dress the bed or move around it.
Lift clearance. An ottoman base lifts the whole platform upward on a hinge. An end-lift super king needs clearance at the foot of the bed for the platform to swing up; a side-lift needs it at the side. With a deep mattress on top, the raised platform reaches a fair height, so check you have the ceiling height and the floor clearance for it to open fully. A super king you cannot open all the way is a vast amount of storage you cannot reach.
Delivery access. A super king base is large and, while usually delivered in sections, still needs to get through your doorways, up your stairs and round your landing. Measure your tightest turn before ordering, this is the size where access problems most often catch buyers out.
Get the room and clearance right and the super king is superb. Ignore them and even the best base becomes a daily annoyance.
Mattress and mechanism: what changes at super king size
The larger the base, the more the mechanism and mattress matter, because there is more weight to lift and more area to support.
Stronger struts, correctly rated. A super king mattress is large and heavy, especially in pocket-sprung or hybrid form. The gas struts must be rated for that weight, or the base becomes a struggle to lift. The best super king bases use struts matched to a heavier mattress range, and, as with any ottoman base, struts that can be replaced down the line protect the bed over its long life.
A solidly built base. Supporting a wide mattress, two sleepers and a full storage cavity demands a genuinely solid base. Any flex or weakness shows faster at super king size, where the spans are larger. This is not the place to economise on construction.
The right mattress match. The base is designed for a mattress depth range, and the struts for a weight range, match both. A super king mattress that is too heavy for the struts makes the storage hard to use; one unsuited to the base affects support across that large area. Choosing base and mattress together, or following a maker's pairing advice, matters more at this size than any other.
Made-to-order makers such as JustBed build super king ottoman bases with appropriately rated struts, solid construction, a choice of lift direction and fabrics, and advice on the right mattress, so the largest base performs as well as it stores.
Open cavity, lift direction and finishing at super king
A few configuration points are worth nailing at this size, where the stakes are higher.
Insist on an open cavity. The value of a super king is its uninterrupted space. A central support bar that divides the cavity cuts into the very advantage you are paying for, so check the internal layout and favour a single open compartment.
Choose lift direction for your room. End-lift suits most large bedrooms; side-lift suits a super king with the foot against a wall. Pick the direction that opens fully in your specific layout.
Finish it well. At this size the bed is the centrepiece of the room, so the fabric and headboard matter. A large super king carries a tall buttoned or winged headboard beautifully, and the upholstery is a major surface, choose a fabric that suits the room and the wear it will see, ideally as a coordinated set with the headboard.
Is the super king worth sizing up to?
If the room can take it, the super king is the most rewarding divan ottoman base you can buy, the most sleeping space and, by a clear margin, the most storage, all in a single footprint that does the work of a bed and a storage unit combined. For a master bedroom in a home that is short on storage, it is hard to beat on sheer practicality, and it makes a genuine statement as the anchor of the room.
But size up only if the room genuinely accommodates the footprint and the opening clearance and the delivery access. Where it does, the super king is superb. Where it does not, a king ottoman base gives you most of the benefit without the frustration. Be honest about the space, and let the room decide the size.
FAQs
1. How much can you store under a super king divan ottoman base?
A great deal, it is the most storage of any single bed. The cavity uses the full 180 x 200cm footprint and is typically deep, comfortably holding multiple spare duvets, a season's wardrobe rotation, several suitcases and bulk linen. For many homes, a super king ottoman base can replace a chest of drawers entirely while taking up no extra floor space.
2. What size room do I need for a super king ottoman base?
You need room for the 180 x 200cm footprint plus walking space on the sides you use, and, crucially, clearance for the base to lift fully open. An end-lift needs space at the foot; a side-lift needs it at the side. A super king suits a genuinely large bedroom; in an average or small room it dominates and is awkward to open, so a king is usually the better choice there.
3. Is a super king ottoman base hard to lift because of its size?
Not if the gas struts are correctly rated for the heavier super king mattress. The struts take the weight so the platform rises smoothly. The risk at this size is a mattress too heavy for the struts, which makes lifting a struggle, so match the mattress to the base, and choose a base with struts rated for a heavier range and ideally replaceable over time.
4. Will a super king divan ottoman base fit through my doorways?
Usually, because these bases are typically delivered in sections rather than as one solid unit, but a super king is large, so measure your tightest doorway, stair turn and landing before ordering. Access problems catch out more buyers at super king size than any other, so confirm the delivered component dimensions against your home's tightest point first.
5. Is a super king ottoman base worth it over a king?
If your room can take the footprint, the opening clearance and the delivery access, yes, you get noticeably more sleeping space and significantly more storage in the same single footprint. If the room is average or small, the king delivers most of the storage benefit without dominating the space or being awkward to open, making it the smarter choice there. Let the room decide.
